2012年12月2日星期日

ADSL Internet speed method

ADSL broadband, is at present a lot of families user the broadband gateway m-1628 series laptop fan access way, but in the domestic network environment and is not very good circumstances, how can let me on the Internet can be quickly web surfing, email, transfer files, and online game, which is a lot of users are dream. So today, we will together with you to discuss, how in the existing basis, improve our wire speed.

First of all, we have to choose the right ISP (Internet access service provider). We are choosing ISP, tend to be pay attention to access fees, every hour service cost, etc., however most of our people have neglected a key problem, is access bandwidth. Different ISP have propaganda network bandwidth is also different, we must first make clear ISP said bandwidth is exclusive to or sharing. For the sharing of bandwidth ibm lenovo thinkpad t410 series laptop fan , and at the same time, the use of the user, the more we Internet rate and the slower. For different ISP, we can contact the customer service center or to its sales department for relevant technical data, can also go to the Internet inquires the relevant material, through the more information, choose appropriate ISP.

Second, we will in hardware on network optimization. We may all haven't noticed routing problem, ADSL are generally use telephone line for transmission line, its working principle is in ordinary telephone line of low frequency voice superimposed on high frequency digital signal, and then through the "cat" receiving decoding for transmitting digital information, in order to ensure that the data do not suffer interference, best can will telephone line and ADSL data line separate, so when using the Internet can avoid a lot of problems. And pay attention to wiring don't and power cord parallel go line, because the power cord have very strong electromagnetic wave, it will be the high frequency digital signal produce very strong interference effect, make transmission unstable which affect velocity.
 
Again, we can modify your computer Settings to improve Internet speed. Win XP system through the use of QoS (Quality of Service) RSVP agreement to ibm lenovo thinkpad t61 laptop fan manage the network flow, usually can improve network data transmission speed, but, if the user applications can't make good use of QoS API. (interface program), will take the network bandwidth, it will lead to network traffic jams. Can be modified by the value of the reserved bandwidth to realize network "speed".
 
We log on as an administrator, operation command "gpedit. MSC" can enter the "group policy" edit window. In turn, click on the "computer Settings" - "management module" - "network" - "QoS data packet scheduling program", and then on the right selected "limit can be reserved bandwidth", right click it, select "properties", turn it on its properties window will be "limited bandwidth" corresponding value shall be modified as "0", and then release the bandwidth of the reserves.

We can also modify the registry to optimize network speed, but need everyone to pay attention to, this way is likely to cause the system unstable and even collapse, please backup your registry beforehand, in order to recover the fault.

Can modify the key value is as follows:
 
1. MaxMT: modify maximum transmission unit.

2. DefaultRcvWindow and DefaultTTL set transmission unit buffer size value and TCP/IP packet life.

3. Setup DNS software priority: improving web ibm thinkpad r50 laptop fan browsing speed.

4. Improve TCP/IP use RAM: increase TCP/IP use buffer to improve data rate.

Finally, is to use software to optimize network speed. There are many resources on the Internet based on ADSL optimization software, we can use the software to optimize the ADSL, the software is usually from hardware itself began to optimization, in combination with related to system parameters optimization Settings to reach the purpose of optimized.

The broad masses of netizens use is ADSL overclocking Jones, this is the very good one ADSL accelerate software. It through the modified PC system registry originally designed for low speed access and set the TCP/IP default parameters, so as to adapt to PPPoE way of ADSL access. The measured can improve a times the left and right sides download speed, and solve the ADSL to browse the web pause, the problem of slow down. ADSL overclocking Jones operating extremely simple, all work on in the background. The program provides two optimization scheme, one kind is ordinary overclocking, another kind is senior overclocking, common overclocking use method is very simple, direct click run window of the samsung r428 series laptop fan "ordinary overclocking" button, and the program can use the default optimization parameters instead of system current parameter, it can achieve optimization purposes. Senior overclocking set need to click the run window "advanced overclocking" button to open the senior overclocking window.

Be worth what carry is, overclocking Jones provides "the system restore" function, if you are not satisfied with the previous optimization Settings, or after optimization is a problem, can pass this function will return to optimize system before the state, so as to avoid setting appear unnecessary trouble. The operation is very simple: click on senior overclocking window of the "system restore" button.

Our users, when using the Internet, most of the attention is wire speed problem. But we are currently ADSL broadband, always can't let our customers satisfied, then we will only oneself to want to measures to solve. Through the above several methods, we can according to their actual condition to optimize, let the wire speed samsung r60 series laptop fan real fly.







http://blog.alc.co.jp/blog/batterycharger/379109

http://batterychargershop.blog.fc2blog.net/blog-entry-316.html













2012年11月8日星期四

Notebook dark screen maintenance

Often see base someone speak repair dark screen experience,toshiba satellite l650-0dn laptop cpu fan but are one-sided. Now I put my dark screen repair some of the experience and share with you, hope to the improvement of all to have some help. This but I am in the process of maintenance summed up the experience of out!

We fix dark screen first have to know which caused reasons, nothing more than this several ways:

1, tube damage. 2, high pressure plate damage. 3 screen line open circuit and mainboard failure.
The dark screen most is the result of a damaged tubes, a small part of the high pressure plate is the result of a damaged. Screen line and motherboard cause dark screen probability is very low, but the most trouble.

(a) tube failure:
First of all we want to tell if tube damage,toshiba satellite l650d-03j laptop cpu fan here to use a homemade tool: external tube, external tube making very simple, use namely a piece of ordinary light tube two head each connected to a single line, again in this two root online after a high pressure plate universal plug tip. Run into dark screen as long as the original screen on the high pressure inserted pin drawing down, again our external tube inserted pin plug in, again boot, if this time lamp lit, that is flashlamp fault, direct to change a light tube line.

(2) high pressure fault:
If the external tube not bright, is high pressure plate or high pressure plate former pole failure, at this time we should measure mainboard to high pressure plate few power supply:
1, 2, 3 main power supply control, brightness adjustment 4, ground
(1) the first to test the main power supply, high pressure plate on high pressure plate to the biggest capacitance is usually the main power supply. The main power supply some machine with common point voltage, that is to say common point is 16 v high boards for power supply is 16 v, common point is 18 v that high pressure boards for power supply is 18 v. Still have a kind of is to use motherboard provides 5 v as high voltage power supply boards.
(2) control, control are generally a standard 3.3 V power supply.
(3) brightness adjustment, a 2 v or so voltage,toshiba satellite l650d-101 laptop cpu fan and its features are you using a multimeter to test its voltage, then go to the keyboard according to the brightness of the control key, at this time you see it as the voltage will change.
(4) the ground, are generally attached to the screw place, or capacitor side. General exhaust line continuously won't appear state.

The more the pin are generally the feedback.

If the measurement of the power have of words, is generally high pressure plate is broken. If there are original direct change will do, especially with feedback, the use of the original. If there is no original high pressure plate, it will need to change high pressure plate, general use a piece of general high pressure plate, again each voltage fly line, general high pressure moderators power supply general from 5 v to 20 v, notebook toshiba satellite l655d-12k laptop cpu fan to high voltage main power supply will not beyond this range. If it is with feedback, and haven't original high pressure plate, at this time will have some trouble, it must be the original machine of high pressure plate shears first half, namely remove high pressure coil bag. For it to the general high pressure plate, then the exhaust line inserted into the original high pressure plate, fly line to the general high pressure plate, tube inserted into general high pressure plate on line. This used to original high pressure plate coil damage, and the first half of the normal, with the first half of the feedback to fake host, let it normal output high pressure of each power supply.







http://camera-battery.blog.so-net.ne.jp/2012-11-09

http://topbattery.blogoak.com/?blogname=topbattery&postarch=102&tpl=

2012年10月21日星期日

Hard disk DOS management structure

1. Track, sector, cylindrical and head count

The most basic part of the hard disk by acer laptop keyboard hard metal material made of coated with magnetic medium results, different capacity hard disc number inequality. There are two sides to every blanks, can

Record information. Disc is divided into many quadrant area, each region that a sector, each sector can store 128 x 2 N power (N = 0.1.2.3) bytes information. In the DOS

In each sector is 128 x 2 2 power = 512 bytes, disc surface in disc center to central, radius of different series of concentric circles called tracks. Hard disk, different blanks the same radius

The track of cylindrical called cylinder. Track and cylinder is said different radius circle, on many occasions, and track and cylindrical used interchangeably, we know that each magnetic

Disc has two sides, each plane has a head, used to head number to distinguish. Sector, track (or cylindrical) and head number constitute the basic parameters of the acer aspire 5740 laptop keyboard structure of hard disk, help these

Parameter can get hard drive capacity, base calculation formula is:

Storage capacity = head count × track (cylindrical) number × × each sectors every sector bytes

Key points: (1) hard disk several blanks, each disc two sides, each face a head

(2) the disc is divided into multiple quadrant area namely sector

(3) the same disc different radius of concentric circles for track

(4) different blanks the same radius of the composition of the combinatory cylindrical surface namely

(5) formula: storage capacity = head count × track (cylindrical) number × × each sectors every sector bytes

(6) information record and acer aspire 5740dg laptop keyboard can be expressed as: xx track (cylindrical), x head, x sector

2. Cluster

"Cluster" is allocated DOS the minimum unit. When creating a small file, so a byte, then it on disk is not only about a byte space,

But occupies the whole one cluster. DOS depending on the different storage medium (such as a floppy disk, hard disk), different capacity of the hard drive, the size of a cluster is different also. The size of a cluster can be in called disk

Parameter block (BPB) acquisition. The concept of cluster only apply to data area.

This point: (1) "cluster" is allocated DOS the minimum unit.

(2) different storage medium, different acer aspire 5740g laptop keyboard capacity of the hard disk, different DOS version, the size of a cluster is different also.



http://laptopbattery03.zoomblog.com/archivo/2012/10/18/the-notebook-computer-voice-low-soluti_2.html http://laptophardware-cpu.blogspot.com/2012/10/core-i7-notebook-optimization.html

2012年10月18日星期四

Without laptop blank screen how to solve?

Notebook for no reason blank screen, but notebook dell latitude d600 series laptop cpu cooling fan didn't crash, if afraid of forced shutdown, cause data loss words. We can use the following ways to keep data, so as to avoid unnecessary loss.

1, notebook without reason blank screen, failure analysis

Blank screen question is easy to appear in the play the game, started to think is to run the game cause the computer dell latitude d620 laptop cpu cooling fan to crash blank screen. However, the screen full black but game sound and that didn't crash. Estimation is misoperation the screen shortcuts.

2, try to screen shortcuts, the result is invalid

Trying to follow screen shortcuts, start menu button, but the notebook screen is still blank screen, no reaction. It seems not wrong according to the screen shortcuts. Probably screen itself.

3, but under, and closed the laptop lid

But under, forced to restart notebook dell latitude d800 series laptop cpu cooling fan, screen intact, explain the screen is also no problem. And once again play the game, blank screen phenomenon appeared again. Abrupt fantasy, the laptop lid closed, into standby mode.

Four, from standby state recovery, screen brighten

Then, turn over the notebook cover, press any key from standby state awaken notebook. Unexpected is the notebook screen returned to normal, to return to the game interface, all data is not lost.

5, TIPS set to the correct power attribute

The way to deal with blank screen problem is very effective, but there is a premise, is must be in power management inside the close the lid set of functions for dell latitude d830 laptop cpu cooling fan standby. If set to "do not take any measures", that this recruit will fail.





http://startbattery.sosblog.com/The-first-blog-b1/Identify-the-method-of-computer-main-board-quality-stand-or-fall-b1-p365.htm

http://wholesalemerchandise04.eklablog.com/buy-motherboard-need-to-pay-attention-to-a57837237

2012年10月15日星期一

Installation CPU fan's attention

1, pay attention to clean fin

CPU cooling fan toshiba qosmio g45 laptop cpu cooling fan suction dust of great harm. More dust not only hinder the radiator is ventilated, also can affect fan rotation, so a cooling fan in use after a period of time the need for cleaning. The need when cleaning before the radiator and fan apart, fin can directly flush, for fan and cooling with viscous oil dirt, usable cotton swab to wipe clean. If a cooling fan noise anomaly increases, the general because fan internal lubricating oil consumed be caused by, need to fan axis for serious cleanness and charging lubricating oil.

2, the correct use of thermal silicone grease

When the cooling fan installed in the CPU toshiba qosmio g10 series laptop cpu cooling fan fin and between coating thermal silicone grease. Thermal silicone grease role is not only the CPU the production quantity of heat quickly and evenly transfer to radiator, in many cases, silicone grease can also increase the radiator is not too flat lower surface and CPU thermal contact. And silicone grease has certain viscosity, in fixed fin metal Dan piece slight aging loose circumstances, can be in a certain extent make fin not and CPU surface separation, maintain a cooling fan efficiency. The use of silicone grease principle is less as far as possible, the CPU on the surface on the drop a little fingers on uniform can, or is likely to cause leakage fault.

3, carefully fixed fan

Fixed a cooling fan with metal shrapnel tightness of general can adjust, if did not use kernel exposed CPU, it should be possible close way installed a cooling fan, otherwise likely because fin can't and CPU full contact surface caused by the cooling efficiency and decrease the occurrence of vibration phenomenon. If the new installed a cooling fan in the use of a few days to reduce efficiency, usually metal shrapnel slight slip results, such as file tablet upward slide a block, etc. In the metal shrapnel in place cannot for fear of effort and a careless, must do all it can to ensure that fastening. Another installation to be careful not to overexert, in order to avoid damage to the CPU toshiba qosmio g15 series laptop cpu cooling fan socket nearby components and circuit.







http://wholesalemerchandise.blogstreet.co.uk/uncategorized/the-mouse-failure-analysis-and-maintenance.html
http://bestcamerabatteries.noahblog.com/2012/10/11/the-mouse-failure-analysis-and-maintenance/

Identify the method of computer main board quality stand or fall

Computer ibm lenovo thinkpad x61s laptop cpu cooling fan main board quality stand or fall identification methods, help you in to buy computer to buy a piece of sincere best motherboard:

A observation onboard battery
The battery is to keep CMOS data and clock operation and established. Batteries can't keep CMOS data. When the choose and buy, want to be on the lookout for battery is rust, leakage. If rust leakage, may cause the whole motherboards due to corrosion and scrap.

Two observation chip production date
The speed of the main board not only depends on the speed of the ibm lenovo thinkpad x61s 7666 laptop cpu cooling fan, but also depends on the performance of the mainboard chipset. Generally speaking, the time difference of not more than three months, no group will affect the mainboard overall performance. An example of a chip date for 9852 (98 52 weeks), and the other a chip production date 9950 (50, 99 a week), production time difference of about a year, which can judge the motherboard of poor quality, unfavorable buy.
Xp system download

The three observation expansion slot card
The idea is to watch carefully slot of the location of the spring leaf shape, then the ibm lenovo thinkpad x61s 7667 laptop cpu cooling fan interface card after insert into the channel, pull out, watch now slot in the spring leaf position with the original shape is the same, if there is a large deviation, then explaining the slot of the leaf spring elastic is not good, poor quality.

Fourth check its appearance, phase modulation its component.
To see the thickness of the main board, the two main board comparison, thick the advisable. And then observe the mainboard circuit layer number and wiring system is reasonable. The mainboard take up, every main board to the light source see, if can observe on the other side of the wiring element, then explaining the motherboard for ibm lenovo thinkpad x61s 7668 laptop cpu cooling fan double plate, or is the sandwich plate, needless to say should choose sandwich plate.




http://laptoppower.ucalgaryblogs.ca/2012/10/10/the-blank-space-key-of-usage/

http://goodbattery.blogv2.com/2012/10/11/the-blank-space-key-of-usage/

2012年10月10日星期三

The blank space key of usage

The blank space key hp pavilion ze4450 laptop keyboard is our daily use at most one of the key, but its usage you can not all know. Let's begin trawling!

1, executive shadowy options. General software program interface will have an option cover light shadow, if it's options, the blank space key function of the one is checked/remove checked; If it is "the next step" "sure" option, the blank space key role is equivalent to the mouse left key or the enter key.

2, fill do not want to fill the position. Like tencent QQ, if you don't want to fill name age professional provinces city, the multifarious options, disorderly fill is ok hp pavilion ze4601 laptop keyboard , but according to a blank space key in is undoubtedly the most convenient.

3, page turn the page. In the web, press the blank space key is next page, the function and the same PageDown key on the web, read novels especially when convenient.

4, players pause/play. In many players in the blank space key hp probook 4510s laptop keyboard is work, majority is control players pause/play, such as MPC and KMPlayer, press the blank space key than use a mouse to the point that little pause/the play button is much faster.

5, the game key. In the game, the blank space key role has a lot of kinds, such as jumping, attack or pause, etc.

6, Alt + the blank space key hp probook 4520 laptop keyboard . This group of shortcut key will open the top left corner of the program menu, it usually have a "reduction" and "mobile" "size" "minimize" "maximize" and "close" a few options. Press this group of shortcut key after click the "n" or "x" or "c" can quickly minimize or maximize or close the window.

7, Ctrl + the blank space key. This group of shortcut key used to switch input method in both Chinese and English.

8, Shift + the blank space key hp probook 4720s laptop keyboard . This group of shortcuts can switch input method of the full Angle/half Angle, such as smart ABC, pole wubi, etc.




http://cpufan32.fruitblog.net/507641267e717.html

http://hardwareshop.mxgator.com/why-the-keyboard-some-key-cant-use/

2012年10月9日星期二

Notebook computers to restart crash processing solution

Computer including laptop computers dell inspiron n7110 laptop keyboard to restart and crash fault, it is computer maintenance process of hot issue, which involves all aspects of the problem is also, and not in a few words can all generalization. The author here is something, combined with his usual maintenance experience, for these fault do some simple analysis, if not, please correct me. The following analysis is aimed at 600 and T series.

Notebook computers restart, crash fault mainly includes a few aspects:

A, hardware reason is the foundation of computer hardware, good hardware compatibility and performance is a computer of the stable operation of the premise, no good hardware, even Unix system is powerless. Hardware notebook computer dell latitude d610 laptop keyboard, let's have a headache, because laptop computers cannot or is hard to like ordinary desktop that, can use the minimum system method, hardware substitution method and so on methods for hardware fault location.

1, the power supply problem caused by the restart, crash fault, such as voltage instability, wave surge and underload, etc. The notebook computer is delicate, see the fragile power adapter and notebook computer dell latitude d620 laptop keyboard motherboard power supply circuit and can know.

Countermeasures: a, install batteries, don't be for fear of the battery and reduce weight and take off the battery, especially in power and not so stable region. After all, now the battery has been quite intelligent, unless some weak-minded products, otherwise it will not have any big problems. Moreover the need explanation is, do not place your battery in low temperature environment, this will influence the activity of the battery. It can go to the battery production workshop verified, there save notebook battery place is with air conditioning dell latitude d630 laptop keyboard achieve 40 degrees temperature. So don't be afraid of our cells are "hot" on.

Two, don't forget the notebook battery and high power electric joint in the same power row seat, especially air conditioning and so on high power electric appliance. For this reason we all know, I will not say more. The author colleague's power adapter had for this reason and be breakdown over.

3, interface, become loose, basically has two, one is the CPU socket loose caused to restart and crash fault, this kind of circumstance in maintenance process is especially common. In that CPU welding on the mainboard notebook in rare. If there is a very good notebook crash or restart, and this one notebook dell latitude d631 laptop keyboard also exactly is falling from a height or serious collision, we can first consider slot loose situation. Countermeasures to plug, when necessary, repair the broken needle. The second is hard disk drive, such as loose interface. The author had contact with a laptop computer, usually run small program without what big question, but once run large program such as Photoshop crash when will, no doubt, after the examination, the hard disk interface local damage. Countermeasures to change the interface is, when necessary, replace the motherboard, drive interface, hard disk interface, etc.

4, hardware quality bad, such as inferior memory is often is often LanBing maker.

Countermeasures: replace high quality components, as for whether original you don't need to criticize the.

Second, the software failure

1, the operating system itself instability dell latitude d820 laptop keyboard, such as win98, win98se instability is obvious to all, win2000, winXP, Linux and so on operating system stability is much better.

Countermeasures: in hardware conditions permit premise, upgrade the operating system, such as 600, 600 e of the operating system upgrade for win2000.

2, virus, it did not need to say.

Countermeasure is to buy genuine antivirus software, the key is to constantly upgrade, before getting connected with the Internet, it is better to upgrade anti-virus software. Never upgrade or rarely upgrade anti-virus software and the dell latitude d830 laptop keyboard deaf ears are no different.

3, directx cause restart and crash fault.

Countermeasures: A, reinstall or update the driver B, cancel to equipment directx testing.

4, the conflict between software countermeasures: A, try to avoid using test software, B, delete it is apt to cause the problem of software, C, equipped with system optimization software, such as optimizing the master and so on.

Three, heat dissipation from malnutrition dell latitude e4300 laptop keyboard crash, restart fault now notebook more do small, notebook internal space is more and more narrow, and CPU, hard disk, memory and so on calorific value is more and more big, although notebook CPU, hard disk, etc. Or stronger, but they are in front of heat is still lonely and helpless, especially poor design notebook is this kind of problem good hair person, such as some domestic notebook, such as T20 of thermal design is not very good, the problems in T series heavy is also more. Additional cooling bad and cause a series of chain problems, such as unit accelerated aging, etc.

Countermeasures: do not obstruct cooling hole, don't let notebook and soft objects such as quilts and other do intimate contact,dell latitude e5400 laptop keyboard use water pillow and so on.

Four, other reasons, such as coke killer, air conditioning killer, environmental killer, etc.



http://chargerbattery.blogdetik.com/2012/10/08/a-computer-crash-12-may-cause/

http://start-battery.spruz.com/pt/A-computer-crash-no-grace-period-is-generally-what-circumstance.10-8-2012/blog.htm

2012年10月7日星期日

Solve the USB controller cause Ghost start slowly

Recently discovered a group of new ibm lenovo thinkpad x201 keyboard machine to network g when found in this batch of machines on ghost starting speed special slow, need to wait for nearly 1 minutes to enter the ghost menu, obviously is the main board, or the chipset of cause, because the same ghost files in other machines on the mainboard normal.

Through the method of disabled in the BIOS out one may cause the problem of equipment, and ruled out the floppy disk controller, IDE controller and still no lenovo thinkpad t410 keyboard effect, but to the BIOS stunned, again through the BIOS may and the problems with the option, I am going to study in the BIOS interface why is blue suddenly see I never think of options, USB!

Disable usb controller restart, GHOST less than 3 seconds into the menu. Yes, the usb controller problem!

But, happily don't too early, this time I maintain two samsung q320 keyboard Internet bar at the same time with the motherboard machines nearly 400 units, each station closed usb controller that is what a terrible thing. So I guess ghost should have no detection usb device parameters, so in baidu, GOOGLE find the ghost parameters, finally let me give found, it is "- nousb"

Nousb!!!!! So simple, I get a experience is: in the sony vaio vgn-fw100 keyboard use of software need someone you don't know this software have this function, you can be in this function the most likely way to try, maybe the author thought and the function.




http://wholesalemerchandise04.eklablog.com/how-to-check-the-computer-main-board-type-a55892919

http://start-battery.spruz.com/pt/How-to-check-the-computer-main-board-type.9-28-2012/blog.htm

2012年9月4日星期二

A lot of people in the notebook computer sony vaio vgn nr180e laptop keyboard BIOS setup set up this password. But once the password forgot to bring a lot of trouble. Because most of the notebook computer boot password is not like desktop PC that stored in CMOS circuit can through the discharge clear, at present a lot of notebook computers are will password stored in main board of logic circuits

A lot of people in the notebook computer sony vaio vgn fw100 laptop keyboard BIOS setup set up this password. But once the password forgot to bring a lot of trouble. Because most of the notebook computer boot password is not like desktop PC that stored in CMOS circuit can through the discharge clear, at present a lot of notebook computers are will password stored in main board of logic circuit, the general means indecipherability. This paper introduce several ZhaoShu, try to deal with the this kind of problem.

Use clear PC machine boot code method. Because there is no short circuit jump line, so we cut off all the computer power supply (including battery), open notebook, find CMOS battery, take off, and so on a few minutes then CMOS battery put on.

Some machine changing hardware configuration, such as tear down hard disk memory of what, then restart may automatically enter BIOS SETUP program, next, will do this to do.

Try on the mainboard find code "xxxx818" chip, such as "MC146818", it has 24 pin, sub 12, pin, or find marked "MC14069" chip. Will the 14th pin earth once. Can achieve the purpose of clear password.

Users can also use password floppy disk to solve the problem. sony vaio vgn-nr11z/s laptop keyboard Password floppy disk in every time you set boot password generated.

For some machines, still can use a more trouble method. Prepare a empty floppy disk, with binary editing software, such as Norton DiskEdit or UltraEdit 32, modify the floppy disk first sector of the top five byte, make its become: 4 b 45 59 00 00, pay attention to boot sector is "0" sector, don't the subjects. Then save modified, so you friend a key disk, into the notebook floppy drive, reset, prompt you enter password is, directly enter. The system will prompt input password again. According to the Y return. Then he saw the BIOS Settings interface.

A lot of people in the notebook computer toshiba satellite a505 laptop keyboard BIOS setup set up this password. But once the password forgot to bring a lot of trouble. Because most of the notebook computer boot password is not like desktop PC that stored in CMOS circuit can through the discharge clear, at present a lot of notebook computers are will password stored in main board of logic circuits

A lot of people in the notebook computer toshiba satellite l500 series laptop keyboard BIOS setup set up this password. But once the password forgot to bring a lot of trouble. Because most of the notebook computer boot password is not like desktop PC that stored in CMOS circuit can through the discharge clear, at present a lot of notebook computers are will password stored in main board of logic circuit, the general means indecipherability. This paper introduce several ZhaoShu, try to deal with the this kind of problem.

Use clear PC machine boot code method. Because there is no short circuit jump line, so we cut off all the computer power supply (including battery), open notebook toshiba satellite l555d s7930 laptop keyboard, find CMOS battery, take off, and so on a few minutes then CMOS battery put on.

Some machine changing hardware configuration, such as tear down hard disk memory of what, then restart may automatically enter BIOS SETUP program, next, will do this to do.

Try on the mainboard find code "xxxx818" chip, such as "MC146818", it has 24 pin, sub 12, pin, or find marked "MC14069" chip. Will the 14th pin earth once. Can achieve the purpose of clear password.

Users can also use password floppy disk to toshiba satellite p500 laptop keyboard solve the problem. Password floppy disk in every time you set boot password generated.

For some machines, still can use a more trouble method. Prepare a empty floppy disk, with binary editing software, such as Norton DiskEdit or UltraEdit 32, modify the floppy disk first sector of the top five byte, make its become: 4 b 45 59 00 00, pay attention to boot sector is "0" sector, don't the subjects.toshiba satellite p505d laptop keyboard Then save modified, so you friend a key disk, into the notebook floppy drive, reset, prompt you enter password is, directly enter. The system will prompt input password again. According to the Y return. Then he saw the BIOS Settings interface.

Asustek Acer give up netbook Atom processor bleak prospects

 From the notebook manufacturers, said sources in the age of the Internet the top two manufacturers asustek and Acer has plans to stop the production netbook ibm lenovo thinkpad x201 laptop keyboard products, Intel perhaps was forced to need to PC platform Atom processor development route to make adjustment.

Asustek aspects has stopped production the Eee PC netbook ibm thinkpad t60 laptop keyboard, and would take the decision on cleaned up the stock market after the launch. Acer so far have not launch new products netbook plan, suggesting that it may also plans to quit netbook market.

Although Atom processor still will be used in hand and embedded equipment, but the short term weak shipment cannot make up for netbook delisted cause vacancy.

Asustek CEO ShenZhen to prove that, the company will stop production using Atom processor (for example N2600) Eee PC products, the Packard Bell EasyNote TJ67 Laptop Keyboard reason is that tablet PC and notebook product impact, and emerging market demand dip. Asustek plans to use its Transformer tablet PC replace netbook equipment to fill the vacancy 10 inches equipment.

Set at present is still in sales Atom N2800 processor computer products, but not the future continue to delivery plan.

Although the PC manufacturers in the past valued southeast Asia,samsung n145 laptop keyboard Latin America and the Middle East market for Internet this demand, but the rise of flat computer equipment, the government department of flat buying demand growth, leading to 10 inches netbook product market demand fell rapidly and accelerate its delisted process.

In addition, Windows and system authorized costs, high resolution and touch screen upgrades will also lead to the Internet this cost rise, manufacturers have to Win8 era give up this kind of products before.samsung n150 laptop keyboard Let down the nets this falling demand also cause such as and following and compal etc ODM manufacturer shipments of decline.

Sources have also display, Intel netbook samsung nb30 laptop keyboard processor with Atom N2800, N2600 and mini desktop processor D2700, D2500 and D2550's will be shipped in the fourth quarter of this year, down nearly 50%, Atom N series processing 2013 will only be Intel and a few manufacturer adopted, Atom D series processor will gradually fade out market.


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2012年9月3日星期一

Display the cause of the jitter occurred

Display refresh frequency set too low

When the monitor refresh frequency set below 75 hz,hp pavilion dv5-1005ea laptop cpu fan screen often appear jitter, twinkling phenomenon, the refresh rate appropriate adjustable high, such as set up more than 85 hz, screen dithering phenomenon generally not happen again.

Power transformer from a display and chassis too close

Power transformer work will cause large electromagnetic interference, resulting in screen dithering. The power transformer in the far away from the casing and the display of place, can let the problem is solved.

Inferior power or power equipment has been aging

Many kludge power devices used by the work,hp pavilion dv5-1005ec laptop cpu fan materials are very poor, easy to cause the computer circuit impeded or power supply does not follow to go up, when the system is busy, display especially will appear screen dithering phenomenon. The power of a computer equipment began to age, also easy to cause the same problem.

Let the speakers from the monitor too close

Speaker of the magnetic field effect can interfere with the normal work of the monitor, display generate screen dithering and series such as color of magnetic interference phenomenon.

Virus do mischief

Some computer virus will disturb the screen display, hp pavilion dv5-1005ef laptop cpu fan such as: character inversion, screen dithering, graphics flip display, etc. Online ubiquitous screen dithering script, it can make you come back after the head like cattle.

Display card bad contact

Heavy insert graphics card, the fault can be eliminated.

WIN95/98 system caused by write cache

If belong to this reason, in the control panel - system - performance - file system - troubleshooting prohibited in all drive after writing hp pavilion dv5-1007ax laptop cpu fan type cache, can let the problems are solved.

Power filter capacitance damage

Open the case, if you see power filter capacitance hp pavilion dv5-1007cl laptop cpu fan (circuit board on a biggest the capacitance) top take, then explain capacitance is broken, screen dithering is caused by the power failure. Changed after the capacitance, can solve the problem.



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2012年9月2日星期日

Use the most advanced Microsoft operating system

Microsoft Windows XP Tablet PC version is a Windows XP professional toshiba satellite x205 series laptop cpu cooling fan version of the extended version. Tablet PC version have Windows XP professional edition fully functional, and increased the handwritten input function. Because it is a Windows operating system, Windows XP compatible application can run on Tablet PC.
Extended use PC way

Windows XP Tablet PC version will be convenient intuitive paper and pen merge in the PC, can let you use more natural ways to use. Using digital pen and input panel, you can directly on the screen writing, will it in their own handwriting ways to toshiba satellite t135 series laptop cpu cooling fan save or convert to text input to other applications. In addition to input text, digital pen can do mouse and keyboard work (open application, choose the application, choose text and display menu, if you like it, you can also use the mouse and keyboard).

Can be in any place to work mobile PC

Tablet PC can provide mobile PC function, can be in more applications, such as desk, corridor, meetings, and so on. Tablet PC there are two basic forms: "change", it integrated the keyboard, another kind is mobile "pure Tablet", when you are on the desk is very easy to like desktop keyboard as connection. Tablet PC support grab - and - go (take walk), has the shortest from standby state recovery time. Support wireless network function, and to provide more flexibility, strengthen the function of the PC.

Let your notes digital

Windows XP Tablet PC have Microsoft Windows: this note - taking can let you create and organization script notes. Windows Journal is easy to obtain text, graph and pictures, usually you can only create pen and paper.

Convenient work effectively

Windows XP Tablet PC version integrated electronic "ink" to every business applications. Download the Tablet PC Microsoft Office XP bag, you can be toshiba satellite p300 laptop cpu cooling fan in core Office XP applications use ink: you can add ink annotation to Microsoft Word 2002 document, in Microsoft PowerPoint? Used in the 2002 ink emphasis on key points -- all your own handwriting. You can script text and other PC users to share, regardless of whether they have the Tablet PC.

Make your experience personalized

Use pen Tablet and setting control, you can customize the Tablet PC: calibration your pen, set up the left or right operation, Tablet PC for programming the hardware button to accomplish a specific work, such as open application or from transverse screen to the longitudinal direction of the screen.

With ink expand your application

Windows XP Tablet PC version is a new generation of application of powerful platform and foundation, with pen and ink ability. For example, Windows XP Tablet PC version has powerful but simple ink control function and application program interface (APIs, allowing the software developers will existing application expansion with toshiba satellite p205 series laptop cpu cooling fan pen and ink, use the technology to develop new application.

Easy to configuration and management

Windows XP Tablet PC version including advanced Windows XP professional edition configuration technology and method, make Tablet PC in the community environment is easy to configuration and management.

Provide global business solutions

Windows XP Tablet PC version localization for English,toshiba satellite p200 series laptop cpu cooling fan German, French, Japanese, Chinese (simplified and traditional) and Korean. It also supports Windows XP multilingual user (MUI, for every language user changes dialog box, menu, help files, dictionary and check tools.

As the key data to provide highest level of protection

Windows XP Tablet PC version to provide all of the toshiba satellite p105 laptop cpu cooling fan Windows XP professional version of the protection function, including encrypted file system security function and access control. Tablet PC also support CTRL + ALT + DEL security login

Text information encryption techniques

A, old methods: let text hiding from file

Actually this method had been circulating for toshiba satellite l20-155 laptop cpu fan a long time, but the effect is very good, this law applies to hide files sort is more, like EXE executable file, MP3 music files is ok, the most classical is to use picture file (BMP or JPG). Its principle is very simple, is an additive synthesis, will need to encrypted text information (prior stored in a TXT text file) additional to BMP image file behind. First in D plate create a 1. TXT file, the inside of the content is to the encrypted text message: then will a picture file 1. BMP also copy to D plate, it is hiding text information "parent"; And then execute "start" - > "run" menu commands, input "CMD" and make sure to open the system command line window, input "d:" and enter the system directory into d plate; Input a COPY command: "copy1. BMP/b + 1. Txt2. BMP", return after the system can hint "already COPY a file", this command function is to use picture file 1. BMP and text files 1. TXT "add" to produce the third file 2. BMP. Now success, if direct in the "my computer" double click to open this contains text information image files 2. BMP words, system will call the program to open the picture, see is and artwork (1. BMP) the same picture, the only difference is that the size of the file is picture file 1. BMP and text files 1. TXT and, as a text file 1. TXT general very small (kB level just), so generally not aware of.

Encryption is encrypted, so how to restore the 1. TXT Chinese the contents of this document? Very simple, in the new 2. BMP file on the right click select the "open mode" - > "selection process," in the popup window "open mode" choose "notepad" program to determine, the system will immediately call note was open the picture file 2. BMP. In the toshiba satellite l20-151 laptop cpu fan open notepad window front 99% of the content is messy code, and is the image file 1. BMP content, scroll to the end of the file, you will see the prototype of a text message. The advantages of this method does not need to third party software, direct use of system own COPY command. Defect is who can use change "open mode" call notepad way to open the "new" picture files, and see the last the text information.

Second, the new moves: let words change as two-dimension code

This can't unarmed, need to use a small tool, download address is toshiba satellite l20-149 laptop cpu fan, QRCode name. After the download and unpack will get a file PsQREditchs, double-click after it is used.

Interface and using method is very simple, click on the first choice at the bottom of the fourth option card "text information", and then in the input box input you want to encrypted text information (software support writing copy and paste), in the process of the input text you will find that the space can appear a strange black and white square graphics, this is the so-called "two-dimension code," and it will with the increase of the input text information more and more complex, more and more dense. Text information input is completed, click the selected below the window "encryption" option, and in front of the "encryption password" box input set password. Finally click on the toolbar above the third "save" button, according to clew choose save the path and name, thus get the input text information with password protection encryption information, this file is a BMP bitmap file. On the face of it what also look not to come out, which is a black and white pattern rectangular block, can put it through E-mail or QQ transmitted to a friend, even if others intercepted all can't see the toshiba satellite l20-151 laptop cpu fan hidden text information. Friends to receive this picture "pictures", then run QRCode software put it read to come in, and to input images generated password, so that will restore the original text information.


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2012年8月30日星期四

IBM13 $acquisition software company

In fact, IBM has quietly with cash flow in the lenovo thinkpad t410-2522 laptop keyboard powerful advantage, through the acquisition means reach enterprise cloud service, the layout of the software market. That once the "big blue" has to look brand-new]

Former "big blue" is relying on its strong cash flow advantages and mergers and acquisitions means, to change the software giant.

Yesterday, IBM announced a $46, total price $1.3 billion buying American human resources outsourcing companies Kenexa, this deal will be in the fourth quarter of this year finish.

The lenovo thinkpad t410-2537 laptop keyboard data shows, Kenexa business in 21 countries, and the world's top 500 clients about 4000, accounting for the total number of customers more than half. Business, Kenexa in human resources development, a large number of based on the clouds application function, such as recruitment, compensation, and performance management and employee survey, etc., in addition, Kenexa also provide consulting services.

IBM to Kenexa acquisition in SAP, oracle or two rival a layout strategy.

In December 2011, the German software giant SAP $3.4 billion acquisition of enterprise software developers SuccessFactors; In February, American oracle corporation also $1.9 billion acquisition of human resources management software company Taleo.

Inscriptions on oracle bones (China) human capital business lenovo thinkpad t410-2538 laptop keyboard development director when cheng xu think, SAP and inscriptions on oracle bones of the acquisition, it is for reinforcement solutions consideration; IBM acquisition Kenexa it is designed to cloud service transformation. He pointed out that, the software and data is the enterprise application class cloud service control.

Former general manager of plan world information QuXiaoDong said, IBM acquisition Kenexa, will integrate the enterprise social, HR software services, traditional enterprise market of social change into, make enterprise from process, efficiency as the center, into with the artificial center. QuXiaoDong think, take enterprise user's war is about to begin.

In fact, IBM has quietly with cash flow in the powerful advantage, through the acquisition means reach enterprise cloud service, the layout of the software market. The once in 2000 years or so in the server, PC revolution under the impact of stagnant "big blue" has to lenovo thinkpad t410-2539 laptop keyboard look brand-new.

From ten years of development view, IBM has from a hardware company, IT service company, to high value, high profit margin of the software company direction transition. And HP, oracle's earnings also showed that software profit margin is higher than hardware, IT service profit margins.

Results show that in 2011, IBM hardware lenovo thinkpad t410i laptop keyboard, IT service, software of three income than in 16%, 41%, 44%, and in ten years ago, IBM in 2000 the three ratio of 35%, 38% and 27% respectively. Software share of the ascension also makes IBM's overall gross profit rate increased to 48%.

In 2011, IBM software business revenue of $25 billion, the digital already very close to the oracle corporation, the latter 2011 software business revenue of $26 billion. It is not difficult to understand, the two sides in the lenovo thinkpad t410s laptop keyboard software area purchase layout will be the future about the influence of the market position.

Up to now, IBM holding 38.9 billion dollars cash, since 2012 has been launched five software business direction of the acquisition. Through frequent dividends, stock repurchase, IBM which have strong cash flow advantage, in order to spread acquisition.

IBM Kenexa given the price per share $46, the lenovo thinkpad t410s-2901 laptop keyboard price higher than 42.5% of the Kenexa closing price on Friday. On Monday, Kenexa stocks continued to jump sharply, opening at $45.75, or nearly 42%. At present, the market value of the Kenexa for $1.2 billion, $83 million cash flow.

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2012年8月29日星期三

Five unknown ESC key magical effect

For the average user acer aspire 5742g laptop keyboard is concerned, is located in the upper left the ESC key on the keyboard is not commonly used, but you know what? In fact with the ESC key also can realize many shortcuts oh!

1. On the Internet, if some wrong a web site, direct press the ESC key to stop the current web page can be open.

2. The Internet always avoid to fill in some user name what of, if fill wrong, press the ESC key can clear all the box inside content; And typing, if wrong can acer aspire 5742z laptop keyboard also press the ESC key to clear the wrong selected word box.

3. In addition to "Ctrl + Alt + Del" key combination can tune out Windows task manager outside, press "Ctrl + Shift + Esc key combination can start task manager.

4. When a program is not in active state and we also want to restore its for active state, press "Alt + Esc key can activate the application, and don't have to use the mouse to click the program title bar.

5. For existence "cancel" option in the popup window,acer aspire 5742zg laptop keyboard if you want to choose cancel of words, direct press the ESC key can be realized "cancel" operation.

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2012年8月28日星期二

Windows XP slow start what should I do

Often hear computer hp g56-127nr laptop keyboard users have the complaint: how I opened the computer after self screen has been black, to the along while have XP interface appear? My computer why into system so slowly? Scroll bars are turned a dozen ring also can't get into the system. Why does my XP desktop appear after a few minutes to click on any program is no reaction? These problems can be attributed to Windows XP start slowly. How to do ability to speed up the system startup speed?

If you want to solve the XP slow start problems, we must first understand the start-up process of the system. Windows XP start-up process can be roughly divided into five steps: first step, pre start: first computer power on self, and the BIOS (namely basic input output system) scanning hardware and complete the basic hardware configuration, and then read the hard disk MBR (master boot record) check the hard disk partition table to determine lead partition, and will guide partition of the operating system on which the boot sector call memory execution, here that executes NTLDR (operating system loader) file. The second step, start: the first beginning change, the processor NTLDR fact mode conversion for 32 bit protected mode. Then read BOOT. INI file. The third step,. Loading of kernel: guide process begin to load the XP kernel NTOSKRNL. EXE. This file is located in Windows/XP installation folder of the SYSTEM32 folder. Then, the hardware abstraction layer hp g56-128ca laptop keyboard(HAL) are guided process loading, complete the steps. The fourth step, initialize kernel: kernel complete initialization, NTLDR control to Windows/XP kernel, the latter start loading and initialization device driver, and start WIN32 subsystem and WINDOWSXP service. The fifth step is user login, login, XP will continue to configuration network equipment and the user environment. Finally, with the system on the music and we are familiar with desktop, Windows XP long start-up process finally complete.

Understand the XP start-up process, we can pertinently take measures to accelerate the speed of start.

1, without the use of banned the peripherals

Through the front the starting up process of understanding we know, XP in start automatically scan hardware, so if in WinXP prohibited in some peripherals, can effectively reduce the system startup need to call peripherals driver quantity, so as to speed up the system startup velocity. If your computer without USB devices, please in "device manager - USB controller" will all the USB device disable. This method can make your XP turn-on time reduce about fifteen seconds. Second, if you do not install more hard disks, can also banned some IDE equipment so as to speed up the start-up speed. Way is: right click the "my computer hp g56-129wm laptop keyboard - attribute", and then click on the "hardware" and then click "device manager", in which the open "IDE ATA/PATA controller" (different chip vary slightly), then respectively in the main and secondary IDE channel, select "advanced Settings", found here "the current transfer mode" to "do not apply" a (this is idle IDE channel of the corresponding), will be the "device type" set to "no", can be determined. Also note: due to the system default will automatically read drive, so will start to drive for testing, if drive places the CD, can be read automatically, if it is multimedia cd-rom so read spend time will be longer, also extend the computer start time. So suggest that we usually use the cd-rom remember to take out in time.

2, reduce boot loading program

Probably a lot of people have this feeling: XP start-up speed in the system installation initial is relatively fast, but with increasing installation of the software, the system startup velocity will be more and more slow. This is because many software themselves upon the start-up procedure, this boot that need to run, greatly reduces the start-up speed, but also take up a lot of system resources. For hp g56-130sa laptop keyboard such some programs, we can through the system configuration utility Msconfig from the start they group excluded out. Choose "start" menu of "run" command, in the "run" dialog box type "Msconfig", return will pop-up "system configuration utility" dialog box, select the "start" option card, this TAB lists system boot loading project and source, carefully check whether each project need to be automatic loading, or remove the project before the check box, loading project is less, the speed of the start, the more rapid. Suggestions in addition to keep input method (in the startup project for ctfmon) and antivirus monitor (such as RavTask) besides, other all are banned in startup automatic operation.

3, manual Settings IP address

As I have said, XP system will be in the boot after automatic detection computer local area network (LAN) whether links, but the average user are single online, and the network connection basically set is automatically access IP address. Since such, the system in order to give the machine assigned an IP address will search DHCP server, but the average user can't configuration. This can make every time after startup, the system will take a long time to search a DHCP server until get IP address or services over time will stop, this period even came to the desktop, double-click the program also does not have any reflect. This is a lot of use Windows XP users reflect into desktop appears after the "system halted" 10 seconds! In fact as long as as "local connection" artificial assigned an hp g56-141us laptop keyboard IP address can be simple to solve this problem, avoid Windows XP when the computer automatic network detection, thus they can accelerate the start. The specific methods are as follows: right-click on "online neighbor" - choose attribute, went to the window after right click on "local connection" - choose attribute, here double click "Internet protocol (TCP/IP)", select "use the IP address" and then enter an IP address (such as: 192.168.0.1), subnet mask default can be. (do not with you on the Internet create any conflict, the address is used in local area network) in this way, the system to search will soon found that IP and quick access to the system.

4. Close reset and subtract desktop theme

A lot of friends like in their own desktop hp g56-150ss laptop keyboard put on a beautiful background, such as their favorite a star like pictures. But they have their price, that is consumed a lot of memory, and at the same time, there are too many on the desktop icon is the same. Because the system each start to show desktop, you need to check whether opening theme, once found loading, a lot of topics so eat a lot of memory (in addition a lot of netizens make your own theme is not perfect, after use, there will be a lot of compatibility problem cause system failure). At the same time, the system will search and verify the effectiveness of the desktop shortcut, so the more shortcut to take for the test time is longer. Suggest you do not use at ordinary times theme, set up a beautiful wallpaper is ok. Then will the desktop shortcut categorization on special folder for easy to management, accelerate the start kill two birds with one stone.

Above speak to speed up the Windows XP starting speed several methods, but in actual use computer process, and considering the influence of other hp g56-151xx laptop keyboard factors. For instance popular now trojans, viruses, rogue plug-ins, malicious code, etc., can greatly reduce the system startup velocity. In addition, the user's many bad operation habit will lead to XP start-up speed slow. Other also such as computer hardware configuration also to a certain extent to system startup affect.

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2012年8月27日星期一

16:9 and he displays have what differentiation

Along with the panel cutting process improvement, LCD display panel will start from the current popular 16:10 specification has to change,toshiba satellite a205 s6810 laptop keyboard in 2010 most laptop LCD and half of the desktop LCD will use 16:9 specifications. Then, actually he may have what difference? 16:9 screen size is means than he LCD display small?

Now most sources are using 16:9 format output, in the past, with 16:10 LCD play this kind of sources, otherwise is film filling the entire screen and cause distortion and can't realize "point to point" phenomenon; Or is to keep the film of the original aspect ratio, although can do "point to point", but the up and down the screen will leave a dark side,toshiba satellite a210 series laptop keyboard not only affects the feeling of watching the film, also causes display screen area utilization rate of decline. Therefore, if use 24 inches LCD monitor 16:9 to play Full HD 1080 p format films, it can better than he 24 inches LCD get more good visual effect and higher screen area utilization.

In addition to display performance are advantage, industry promotion 16:9 specifications panel reason, also is the cost factors. Based on the five dynasties production line base plate cutting process, for example, a piece of the substrate can be cut toshiba satellite a305 series laptop keyboard out of 15 pieces of 15.4 inches 16:10 panel, and cutting 15.6 inches 16:9 panel words, can cut out 18 block, and display area difference is not big. Believe 16:9 panel popularization later, the cost advantage will LCD display prices further down.

Thus it can be seen as the traditional concept of limit, 16:9 LCD display in early will meet at the beginning "PuBing VS widescreen" that debate. However, with the arrival of the era of hd, 16:9 LCD display in watching the film advantage will have video the favour of lover, and the liquid crystal display panel has higher cutting efficiency toshiba satellite a305d laptop keyboard brought about by the cost advantage will make the final product price further reduced, allow the user to obtain the benefits of it. In the transition period, should choose 16:9 or 16:10, users still need to consider their own daily application scope and the characteristics of the liquid crystal display whether we can achieve a good fit.

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2012年8月26日星期日

How to clean dust notebook computer

Notebook, desktop in use after period of time, always can't avoid some dust, such as particle fell on the shell and internal. With too much dust, resulting in heat dissipation not free, this will speed up the computer hardware life. So when your machine is necessary to clean time get oneself begin a la. The following are notebook how to clean.

Cleaning screen

LCD screen always have stains and scratch. To the cleaning, please use the smooth cloth or towel. Plastic and glass cleaner contains ammonia water, may wipe gloss film, so please use from the computer store to buy computer display particular detergent. Will detergent spray in fabric, then use the brush try screen.

Cleaned their keyboard

If you have an assembly brush of small vacuum cleaner, then use it to clean the lenovo ideapad y460p laptop cpu cooling fan dirt from the keyboard. Can use compressed air tank blow out into each key-press dust particles between.

Cleaning cooling air vents

According to different types, and the vent can be located in the side of the notebook computer, back and/or bottom. These vents can make the air flow through the computer, thus make the computer to keep them cool. These vents internal accumulation content will hinder cooling process. Purchase a compressed air tank (most computer retailers provide), will vent in the dust particles blow off.

Clean the I/O port

On the back of notebook computer with a series of port. In the washing cooling air vents, using compressed air exhaust all possible accumulation in these port internal and surrounding grime.