See why the computer crashed.

We all know that the crash is one of the most common problems you use in the computer process, and the cause of the crash is confusing, it is difficult to fathom. In the previous DOS era, the cause of the crash is usually mainly virus-oriented, of course, there are other reasons, such as the application of software settings, and so on, so the resolution of the crash also has a certain mode, specifically is the first antivirus, check the hard disk space is not enough, and then check Autoexec.bat and Config.sys files have the wrong command, if the problem is not resolved, you can check the hardware, that's all. But now is different, now is the Windows age, the cause of the crash is ever-changing, so it is quite tricky to deal with. In any case, the resolution of the crash is first soft after the hard, the software is of course the first anti-virus, then some applications, drivers and so on installation, you also do not forget the Registry Editor and some of the CMOS settings Yo, and finally teach you a trick is the most effective way to put the hard disk out (a joke). The main hardware is the heat dissipation problem, now the machine run fast, of course, the resulting heat is more, and then use the most effective hardware troubleshooting Method-replacement method, find the real killer. Said so much or specifically to talk about the crash, from the computer startup, operation and shutdown phase of the crash phenomenon for a simple analysis.

"Panic during startup"

To analyze the computer at the start of the crash phenomenon, first you have to understand the computer system to start the order, so as to analyze whether the computer is due to software problems or hardware failures caused by the crash. So here it is necessary to briefly introduce the computer system's starting sequence: Turn on the computer power → detect video card → detect memory → perform bios→ detect other devices (CPU, hard disk, etc.) → execute operating system (OS) initialization files. The operating system startup process is more complex, first of all ROM (read-only memory) in the bootstrap loader program and the self-diagnosis program to the RAM (random memory), with the bootstrap loader running, The system files for the operating system will also be loaded into RAM, followed by the execution of both system files Io.sys and Msdos.sys, when the "starting Windows98 ..." screen appears on the computer monitor. Finally, System.ini and Win.ini are initialized to read the registry files. If there is no problem, it will be successful to start the computer system. Here is an introduction to the process of the crash occurred.

After the boot system does not have any response: if the power supply does not start to see whether the power cord is not a good connection, even good power cord without any improvement, the fault may be a power supply problem, replace the power to try.

The computer monitor does not have any response after power-on, and accompanied by 1 long 2 short alarm sound after the crash: The first exclusion is the monitor failure, because even if the monitor has a fault is not cause computer crashes, this situation is mostly because the display card is not plugged in place or loose, open the chassis to reinstall the display card, Or try a different slot, so the problem can be solved.

The monitor appears with brief display adapter information, and with 1 long 1 short alarm sound after the panic: since the display adapter information, the display adapter is not a problem, this situation is often a memory failure, the solution is to open the chassis to reinstall the memory bar to try, if not, Try a different piece of memory, of course, you must carefully look at the expansion slot is not intact, this will certainly be able to eliminate this fault.

Panic after BIOS upgrade failed: Locate the computer on the same model BIOS board, back up the BIOS program on this computer, and refresh it with the BIOS refresh program, provided the BIOS is able to refresh.

CMOS settings improperly caused by the panic: This fault is very much, this is only a common example, such as the hard drive parameter settings or improper mode settings cause the computer can not start, memory parameters set improperly, such as the memory without ECC function to have ECC function, so often because of memory errors caused by computer crashes , and so on many examples, the user only must fix the setting to come.

Startup computer crashes after computer overclocking: Now overclocking for the vast number of computer users is a very fashionable topic, occasionally on the computer to overclocking, especially now many motherboard manufacturers will be overclocking in the CMOS, so that DIY not to mention how happy, because overclocking more convenient, but overclocking have the limit? It is not known, if it is overclocking after the restart of the computer in the process of panic, it is your overclocking too high, need to reduce some.

The deletion or error of the system files caused the computer to fail to start and render a panic state: Windows startup requires Command.com, Io.sys, Msdos.sys, and Drvspace.bin four files, if these files are damaged or mistakenly deleted, even in the CMOS hardware settings are correct, it is no use, the system will not be able to start, the solution to the problem only with floppy disk to start the computer (of course, the system version of the same system disk), Then type SYSC: you can.

The initialization file is corrupted causing the computer to fail to start and render panic: Because Windows startup requires reading System.ini, Win.ini, and registry files (User.dat, System.dat), If there are Config.sys and Autoexec.bat files are also read, as long as there are error messages in these files, there may be a panic, especially System.ini, Win.ini, User.dat and System.dat These four files are particularly important, as long as there is a bit of error system will not start, for this I strongly recommend that users usually have to back up the four files. "Panic during Run"

Run-time panic refers to our use of windows in the process of the crash, that is, operating under the Windows operating platform some applications without complaining about the occurrence of panic phenomenon. Some of this is a conflict between the application and the operating system, some are bugs in the application itself, and so on, the following on the operation of the panic phenomenon to explain.

The panic that occurs when running some applications: The reason for this failure is roughly three possible, one is that the application is infected with the virus, and there are bugs in the application itself, and there is some conflict between the application and the operating system.

Lack of resources caused by the panic: the use of the process to open the application too much, occupy a large number of system resources, resulting in the use of the lack of resources, so in the use of relatively large application software, it is best to open less software unrelated to this application.

Hard disk left space too little or too much fragmentation caused the panic: if the hard disk space is too small, because some applications need a lot of memory, which requires virtual memory, and virtual memory is given by the hard disk, so the hard disk to have enough space to meet the needs of virtual memory; There is also the habit of regularly arranging hard drives on a regular basis.

Some files are overwritten to run some application crashes: When installing new applications, there are some file coverage prompts, I suggest you should not overwrite any file operation, otherwise it may cause the operation of some applications of the crash (prevention).

Some files are deleted to run some application panic: When we uninstall some applications will often appear on the deletion of certain files prompts, if you are not particularly aware of the file and other documents are not related, it is best not to delete it, Failure to run some applications may result in the loss of some files, or even the horrors of the entire system crash (prevention).

After the program is running, the mouse keyboard does not respond: The application runs after the panic, indicating that the application has not been running normally, has occupied the system resources, and the operating system is not clear this situation. The end application is enforced only by holding down the CTRL, ALT, and Del Keys at the same time, ending the task.

Setting the power-saving function causes the display to be frequently black-screen panic: it is generally due to a short period of time in the BIOS, or the time set in the screen saver is too short.

Hardware overclocking results in the operation of the panic: overclocking after the computer can start, indicating that overclocking is successful, why the operation will appear panic? is generally due to overclocking hardware produced a lot of heat can not be distributed in a timely manner caused by the crash, so often we overclocking at the same time also to the cooling device for reasonable improvement.

Hardware: The computer hardware configuration is too low, memory speed mismatch (crash: Mouse can move, click No response), interrupt settings caused by the conflict between the hardware, a variety of drivers do not match, and so may also cause in the operation of the crash phenomenon.

"Panic when shutting down the system"

The panic that occurs when you exit the operating system refers to the panic that occurs when you exit the Windows system or return to a DOS state. If Windows does not shut down completely, the data in the disk buffer will be written to the hard disk and then into a dead loop, and the system cannot be shut down unless the user restarts the system. The reason for this may be related to operating system settings and some improper driver settings, when Windows generally shuts down drivers that are in use when exiting the system or returning to DOS, and these drivers will write a data-back operation based on the circumstances, but if the driver is improperly set, The driver can not find the device to use, so it is constantly searching for the device, thus forming a false panic phenomenon.

In short, a lot of reasons for the crash, anyway, we deal with the general method of the crash is the first soft after the hard, that is, consider the application software after the hardware failure, focus should be placed on the software, is mainly in the application of installation settings and some driver installation settings to find out why. Finally, for hardware reasons, general hardware reasons can be found either through device management in the system setup or from System information in the Windows operating system attachment.