100 points for computer failures, 1000 cases of common computer problems and failures

Memory alarm,It should not be plugged in,In this way,You disassemble the chassis and insert the memory module,Sound card,Graphics card are reinserted again,It should be able to solve this problem,There is also a card problem,First of all,Can you make sure that your system drivers are installed,You can see whether the drivers are fully installed in the device manager,If you see a lot of question marks,That is, there is no driver installed,Or the computer can't check the operation of the driver,To reinstall the driver,If it's an exclamation mark,It means that the driver is not working properly,Also reinstall,In general,Chipset driver (motherboard driver),Graphics card driver,Sound card driver,Network card driver,These main drivers are working normally,There should be no problem,And,If your memory card is two different models (which means that you added a memory module later),The installation system may conflict ......In addition, the device manager is in (click on the computer or my computer right click,Then click on the properties to see the device manager,But those drivers have code names,You have to be a professional master to know what it means) The average person can't understand,You don't ask me,I can't understand that,So,Even if you know that your driver is not installed completely,You don't know which driver of yours is not installed,It is recommended to go to the place where you bought the computer,Let them do it,Or re-make a plate,In general,Install the system yourself, There are some drivers that are not installed or working properly, but there is no problem with the normal use of the computer.

What does a memory alarm look like? When you install the system, it is best to format the C drive first and then install it.

If the memory is too small, it is recommended to increase the memory.

Clean the chassis grid c do the system.

After powering on, the main board drawing will appear, and then press the "Delete" key to enter the BIOS. If pressing the "Delete" key does not enter, press the "F2" key. If none of the above methods can be accessed, enter the "BIOS" according to the prompt displayed on the first page after the computer is turned on.

1. Reasons why the computer can't start.

1. The system does not recognize the hard disk.

This type of fault is relatively common, that is, it cannot boot from the hard disk, it cannot enter the C drive from the A drive, and the existence of the hard disk cannot be detected by using the automatic monitoring function in CMOS. Most of these faults appear on the connection cable or IDE port port, the failure rate of the hard disk itself is very small, and the fault can be quickly found by reinserting and unplugging the hard disk cable or replacing the IDE port and cable. If the newly connected hard disk is not recognized, there is also a common reason is the master-slave line on the hard disk, if the hard disk is connected to the main disk position of the IDE, the hard disk must jump to the main disk shape, and the jumper error generally cannot detect the hard disk.

2. Faults caused by CMOS.

The correctness of CMOS directly affects the normal use of the hard disk, which mainly refers to the type of hard disk. Fortunately, today's machines support the "IDE Auto Detect" function, which automatically detects the type of hard drive. When you connect a new hard disk or replace a new hard disk, you need to use this function to reset the type.

Of course, there are now types of motherboards that automatically recognize the type of hard drive. When the hard drive type is wrong, sometimes the system simply fails to boot, and sometimes it does, but read and write errors occur. For example, if the disk type in CMOS is less than the actual disk capacity, the sectors behind the hard disk will not be able to read and write, and if it is multi-partitioned, individual partitions will be lost.

There is also an important cause of failure, because the current IDE supports logical parameter types, the hard disk can use Normal, LBA, Large, etc. If data is installed in normal mode and then changed to a different mode in CMOS, a hard disk read and write error will occur because its physical and geological mapping has changed, and the original correct disk location cannot be read.

3. Boot failure caused by the main bootloader.

The main boot sector of the hard disk is the most sensitive part of the hard disk, in which the main boot program is a part of it, this section of the program is mainly used to detect the correctness of the hard disk partition, and determine the active partition, responsible for handing over the boot right to the active partition DOS or other operating systems. If this section of the program is corrupted, it will not be able to boot from the hard disk, but the hard disk can be read and written from the soft or optical area. The way to fix this fault is relatively simple, using a higher version of DOS fdisk is the most convenient, when running with parameter MBR, it will directly replace (rewrite) the main boot program of the hard disk.

In fact, the main boot sector of the hard disk is created by this program, which contains the complete master boot program of the hard disk. Although the DOS version is constantly updated, the main boot program of the hard disk has not changed, from DOS to the current DOS with WindOS 95, so just find a DOS boot disk to boot the system and run this program to fix it. Also, other tools like KV300 have this feature as well.

1.: Poor heat dissipation. Due to the influence of weather temperature or the insufficient number of revolutions of the CPU fan, the system overheats, which will lead to the automatic shutdown of the computer, it is recommended to check whether the system temperature is normal.

2.: Memory reasons. When the memory and the motherboard socket contact is loose, it may also cause the computer to shut down automatically, it is recommended to check whether the memory is plugged in tightly with the motherboard, or you can change the socket to see if it is down?

3.: Power supply issue. The lack of power supply is also an important factor in causing the computer to automatically shut down, but from this configuration, the possibility of this problem is very small.

4: Software factors. Computer shutdowns caused by viruses or Trojan horses also abound, especially the recent epidemic of shockwaves, which can cause the system to reboot and shut down.

If you are using Windows 2000 or Windows XP, it is recommended that you patch the blaster in time after using antivirus software, and the general problem can be solved.

The computer shuts down automatically for no reason.

5: Check whether the CPU is overheating and whether the CPU fan tray is stable, if it is broken.

Or it is unstable, can't hold down the CPU fan, the CPU fan has insufficient heat dissipation capacity, the CPU temperature is too high, the motherboard's automatic protection function will automatically shut down, and the CPU fan's screws are loose and early!

6: The capacitor of the motherboard is deformed, and the deformation may be caused by the unstable voltage of the host, so it can be replaced.

7: When the power supply of the host fails, or the voltage fluctuates greatly, add AC regulated power supply.

8: No, it is recommended to disinfect in safe mode, and it is not possible to disconnect the network and reinstall the system to eliminate system problems.

Be careful: it's your own static electricity. It's better to put it down.

Well, yes, before coming into contact with computer hardware, you should release your own static electricity. When the computer is working, the chassis, monitors and other equipment will release a large amount of static electricity, and the human body also carries a large amount of static electricity, if it comes into contact with the hardware, it may cause the hardware chip to be damaged by breakdown. If your hands are wet and wet, don't touch the hardware, as it is more likely to damage the hardware.

Before touching the hardware, you can touch the metal conductor to release static electricity from your body.

Be careful: it's your own static electricity. It's better to put it down.

Well, yes, before coming into contact with computer hardware, you should release your own static electricity. When the computer is working, the chassis, monitors and other equipment will release a large amount of static electricity, and the human body also carries a large amount of static electricity, if it comes into contact with the hardware, it may cause the hardware chip to be damaged by breakdown. If your hands are wet and wet, don't touch the hardware, as it is more likely to damage the hardware.

Before touching the hardware, you can touch the metal conductor to release static electricity from your body. You can also put a small electric fan next to the computer to blow it! Help dissipate heat!

It is best to leave the lid open for a long time to play.

Check if it's a fan problem, if the fan can't be used, the computer will be very hot, and it will automatically shut down.

It should be caused by the CPU temperature being too high. You can remove the CPU fan and graphics card fan, clean up the dust, and reinstall it.

It's a hot day, and if the motherboard fan is not good, it's easy for the temperature to get too high and shut down automatically.

In particular, AMD's CPU fans are not easy to use. This is often the case.

You can go and change the fan, it's not expensive, and the better ones are only twenty or thirty yuan.

Or you can get some oil dots on the fan.

It should be that the heat dissipation is not good, open the case. Always observe the rotation of the CPU radiator, and there is a certain heat dissipation effect.

Both Driver Life and Master Lu can detect the hardware temperature.

"1000 Cases of Common Problems and Failures of Computers" systematically and in detail explains the common faults of computers to personal computer users, and at the same time allows readers to have a more direct and profound understanding of the causes of computer failures and troubleshooting methods, so as to achieve the purpose of solving computer failures by themselves.