Computers often crash at random, which is very common, but it is more troublesome to maintain because of its wide coverage. Now I will explain it in detail step by step.

1, the virus caused the computer to crash frequently. This kind of failure is common. When a computer is infected with a virus, it is mainly manifested in the following aspects: ① the system startup time is prolonged; ② Automatically start some unnecessary programs when the system starts; ③ Crash for no reason ④ Some garbled words appeared on the screen. Its manifestations emerge one after another, and it is introduced here for reasons of space. What needs to be mentioned here is that if the system works unsteadily because some system files are destroyed by viruses, we can use the system file checker to repair the system files in safe mode.

2. Due to the poor thermal stability of some components, this kind of fault will occur (specifically in CPU, power supply, memory stick and motherboard). We can let the computer run for a period of time, and then touch the components on it with our hands after the computer crashes. If the temperature is too high, there may be something wrong with this part, and we can diagnose it by replacing it. It is worth noting that when installing CPU fans, it is best to apply some heat-dissipating silicone grease, but it is difficult to see it on some assembled computers. Practice has proved that silicone grease can reduce the temperature by about 5- 10 degrees, especially on P ⅲ computer. If you don't apply heat-dissipating silicone grease, the computer can't work normally at all. I have encountered such a phenomenon once.

The main configuration of this machine is as follows: Pan Ying 8 15EP motherboard, p3733cpu, 133 external frequency 128M memory stick. After the machine is assembled, it frequently crashes, and even the Windows system cannot be installed normally. However, after replacing the CPU of Celeron 533, troubleshooting was carried out. It was suspected that there was a problem with the motherboard or CPU, but the motherboard and CPU of the same model were replaced. Later, because the temperature was found to be too high, some heat dissipation silicone grease was coated on the CPU, and the fault was completely solved.

Practice has proved that CPU above Celeron 533 must be coated with heat dissipation silicone grease, otherwise it is very likely to cause a crash. It is common that computers often crash because of poor contact of various components, especially computers that have been bought for a period of time.

Because most parts are touched by gold fingers, after a period of time, the gold fingers will be oxidized. Every time you pull out a card, you will find that the golden finger has turned yellow. At this time, we can use an eraser to wipe the yellow part back and forth to clean it. Due to incompatible hardware, the computer often crashes. This phenomenon is common in that the graphics card is not compatible with other components or the memory stick is not compatible with the motherboard, such as SIS graphics card. Of course, other devices may not be compatible. To this end, you can get rid of modems, sound cards and other unnecessary equipment for judgment.

5. The software crash caused by conflict or damage usually occurs at the same point, and this problem can be solved by removing the software. Fourth, the computer appears * when Windows starts the system.

Unable to find Vxd or other files, press any key to continue the fault. This kind of fault is generally caused by the incomplete deletion when the user uninstalls the software or the incorrect installation of the driver when installing the hardware. In this regard, we can enter the registry management program and use its search function to delete and solve the files that are not found in the registry. 5. When 5.Windows boots to the login dialog box in normal mode, there is no icon on the desktop after clicking "Cancel" or "OK", and no operation can be performed.

This kind of fault is generally due to improper user operation, resulting in system damage. The solution is as follows: First, we start the system in safe mode, enter the control panel, enter the password option, set the user profile to "This desktop user uses the same desktop and preferences", then enter the network, delete everything except the dial-up network card, log it in to Windows, and then restart the computer to solve the problem.

6. Under Windows, when the computer is turned off, it will be restarted. I read an article in the computer newspaper recently, and the solution is to clean the hard disk or reinstall Windows. In fact, this kind of failure is generally due to the user's carelessness or using some software to set up the system and using the quick shutdown function of Windows system, which leads to the failure. The solution is as follows: Click Start-Run -MSConfig, then select Advanced in the system configuration utility panel, select "Disable Fast Shutdown" to solve the problem and restart the computer. Seven, the Chinese characters in Windows are lost. After installing Windows in the computer, install other software. When sorting out the hard disk fragments, the system prompts: "There is an error in the hard disk fragments."

After being repaired with SCANDISK, the fragment truth cannot be used. When I entered the Windows attachment again, I found that the Chinese characters in it were missing. Check that there is no virus, and then check SCANDIDSK.

Log file, prompt: "Folder C:\WINDOWS is corrupted ...". According to the above-mentioned fault phenomena, Chinese characters appear garbled in the Chinese window, which is mostly caused by the loss of Chinese characters displayed in the registry.

At this point, open the registry editor (WINDOWS\REGEDIT. EXE), and then open two lines of keywords "associated default font" and "associated character set". If yes, open these two lines of keywords to see the content.

When there is only one line of "default" and nothing else, it means that the relevant Chinese character display cannot be defined, which is the reason for the appearance of garbled Chinese characters. Manual repair can be used.

(1) Click Start and select Run. (2) In the Run dialog box, type regedit and click OK to open the Registry Editor.

(3) Expand "My Computer \ HKEY—LWCAL—Machine \ System \ Current Control Set \ Control Font Assoc" to see if there is an "Aossiated Char Set folder icon" under it. In the right column of the window, the following contents will be added: ansi (00) "yes" GB 2312 (86) "yes" WEM (ff) "yes" symbol (02) "on ". Add it as follows: In the Edit New menu, click "String Value", and then type ansi (00) in the text box that appears in the right column.

2. What if the computer suddenly crashes and gets stuck?

When the computer is in use, the methods of card and crash are as follows:

First, the CPU load is too large, or it is not working properly. Check the cooling, dust removal and oiling of CPU and graphics card, or replace the fan.

Second, the power supply voltage is unstable and the power supply is insufficient. Replace high-quality and high-power power supply.

Third, always clean up the disk and defragment it.

1. In the My Computer window, right-click the drive letter to be cleaned-Properties-Clean Disk-Check the files to be deleted-OK-Yes.

2. Clear the temporary files, and then start-run-enter "%temp%"-OK.

3. Clean registry and junk files with optimizer or super rabbit.

4. Close some startup programs and start-run -msconfig- start. In addition to antivirus software and input method, general programs can be closed.

5. Delete the unused program software.

6. Defragmentation-Start-All Programs-Accessories-System Tools-Defragmenter-Selected Disks-Analysis-Defragmenter.

7, reduce the memory burden, open the program should not be too much. If you open too many documents or run too many programs at the same time, you won't have enough memory to run other programs. Close unused programs and windows at any time.

Fourth, upgrade the graphics card and network card driver, and change to a higher-end graphics card.

Fifth, increase physical memory. Now the memory is generally at least 2G.

Sixth, set up virtual memory reasonably.

1, to play games, the virtual memory can be set larger, and the maximum and minimum values can be set to 2-3 times of the physical memory. If it is large, it will take up too much hard disk space.

2. The method of setting virtual memory is: right-click my computer-Properties-Advanced-Performance Settings-Advanced-Virtual memory change-select the partition for storing virtual memory (page file) in the drive list-customize the size-set the values in the initial size and maximum value, then click the "Settings" button, and finally click "Settings".

3, virtual memory (page file) storage partition, must have enough space, hard disk resources are insufficient, resulting in insufficient virtual memory, in a computer, it is enough to set up virtual memory in one partition, not in multiple partitions.

Seven, use the optimization master, 360 or super rabbit to optimize the computer.

3. What if the computer gets stuck?

If it is a crash, there is no better way. Just press the switch button to turn it off and on. This won't damage the computer. If it doesn't get stuck, you can do this: press "Ctrl+Alt+Del" to bring up the task manager and close the dead program, or you can close it here (hold down Ctrl and click "Shut Down"/"Close" on the task manager page.

Is it stuck, dead or slow? What did you do before you collapsed or became unresponsive? What software plug-ins or patches have you downloaded? Has the hardware been upgraded? (If the software is downloaded or patched before the card, try to uninstall it all. ) Could you please explain it in detail? If you have any questions, ask me.

The simple method is to be soft first and then hard. Download Win Cleaning Assistant to kill Trojans, restore the system or reinstall, but still can't check whether it is caused by hardware problems.

1, antivirus software is installed, and all monitoring is turned on. If monitoring is turned on less or not, viruses will often be killed.

2. The software or driver is incompatible with the system. Please reinstall or upgrade the driver.

3, system problems or Trojans, killing Trojans to restore the system or reinstall (download Win cleaning assistant to kill Trojans).

4. Unstable memory, graphics card and voltage will also lead to crash (if the memory is too small, add a memory stick).

5. Common hardware such as 5.CPU or graphics card is too high, which is most likely to cause card and crash.

6. If the hard disk has a bad track, use software to repair the bad track, format the hard disk partition and reinstall it, and change the hard disk.

7. Upgrading hardware will lead to incompatible crashes.

8. There are too many junk files and too many disk fragments.

9. If it doesn't work all the time, it is recommended to carry out an overhaul.

4. What if the computer suddenly gets stuck?

1

In this case, if the computer has neither sound nor response, you can use the computer task manager to manage the program, and press "ctrl+alt+delete" to pop up the window of the task manager.

2

In the pop-up window of Task Manager, many running programs and their running status will be displayed. As shown in the figure, the running status will be displayed at the back of each running program, and some programs will be displayed as "no response" when the computer card is suddenly running.

three

As long as you complete the task with running software in a "unresponsive" state, or stop all running software and buy your computer, you will immediately respond and stop the card.

four

Sometimes the computer is so jammed that even the task manager can't be opened. At this time, you only need to cut off the power directly or let the computer run on its own for a long time, so it won't get stuck so slowly. This kind of problem often occurs, and it is necessary to carry out slimming treatment such as software deletion to improve the running speed of the computer.

5. What if I can't press any keys after the computer gets stuck?

When the computer is turned on and stays in the logo interface, the following troubleshooting and solutions are needed:

1. Usually, when the computer is turned on, the first thing is to check the equipment. If the card screen is in the LOGO picture of the motherboard, in most cases, the hard disk detection fails. You can try replacing the data cable of the hard disk. If there is no cable, you can also try to switch the two ends of the data cable and change the interface on the motherboard.

2. The motherboard BIOS is wrong, and some motherboards have anti-intrusion mechanisms. If the accessories have been replaced recently, it may also be caused by an error in the motherboard BIOS. The solution is to press the DEL key, enter the motherboard BIOS, initialize the BIOS setting information, and then press F 10 to save, exit and restart the computer.

3. Check whether the machine is connected with external equipment. External devices such as USB flash drive and mobile hard disk may be plugged into the USB port of the computer and forgotten to unplug it, resulting in the failure of the motherboard self-test card owner. The solution is to unplug the extra external devices and restart the computer.

4. Check whether the keyboard and mouse are connected backwards. This refers to the keyboard and mouse with PS/2 interface. Many people are careless and plug the interface of the keyboard and mouse backwards, which leads to the self-check error of the boot computer and even the screen is stuck. The solution is to turn off the computer first and then take over the keyboard and mouse again. Usually the purple interface is the keyboard and the green interface is the mouse.

5. Back to the second point, it is still a hardware failure. If the hard disk is still invalid after replacing the data cable, you can try to unplug the data cable of the hard disk before starting the test. See if it will still be stuck in the LOGO screen. If not, it is estimated that the hard disk is faulty. The only solution is to replace the hard disk.

6. What if the computer gets stuck?

First, open the chassis, dust, check the heat dissipation of CPU and graphics card, and oil the fan.

Second, anti-virus.

Unplug the network connection, turn off the system restore, use the latest version of anti-virus software to kill the virus in safe mode, and at the same time, it is best to change an anti-virus software to kill again.

Third, use the optimization master or super rabbit or Huangshan to repair IE.

Fourth, use 360 security guards to clean up bad review software and fix loopholes.

Five, clean up the disk, defragment the disk.

1. In my computer window, right-click the drive letter to be cleaned-Properties-Clean Disk-check the file to be deleted-OK-Yes.

2. Clear the temporary files, and then start-run-enter% temp%-OK.

3. Clean registry and junk files with optimizer or super rabbit.

4. Close some startup programs, start-run -msconfig- OK-click Start in the system configuration utility window-all programs except antivirus software and input method can be closed.

5. Delete the unused program software.

6. Defragmentation-Start-All Programs-Accessories-System Tools-Defragmenter-Select C- Analysis-Defragmenter.

Sixth, upgrade the graphics card and network card driver.

Seven, increase the minimum physical memory to more than 5 12MB, and set up virtual memory reasonably.

1, playing games, the minimum value of virtual memory is set to 1-2 times physical memory, and the maximum value is set to 2-4 times physical memory. The minimum value of memory above 1GB can be set to 0.5 times of physical memory, and the maximum value can be set to 1 times.

2. The method of setting virtual memory is: right-click my computer-Properties-Advanced-Performance Settings-Advanced-Virtual memory change-select the partition for storing virtual memory (page file) in the drive list-customize the size-set the values in the initial size and maximum value, then click the "Settings" button, and finally click "Settings".

3, virtual memory (page file) storage partition, must have enough space, hard disk resources are insufficient, resulting in insufficient virtual memory, in a computer, it is enough to set virtual memory in a partition, not in multiple partitions, it is best to set it in a partition other than system C partition.

Optimize your computer with a master optimizer or a super rabbit.