The computer suddenly crashes, it can t be turned on, and the system can t run, what should I do?

1 Ensure the correct BIOS settings. The settings in the BIOS must be appropriate, the wrong BIOS settings will cause you to freeze when running Windows.

2 Always check the contact status of computer accessories. Running in the case of poor board contact will cause the system to crash, so when replacing computer accessories, be sure to make the board fully contact with the motherboard.

3 Clean the chassis regularly. Too much dust will cause poor contact between the boards and cards, causing the system to crash during operation, so the chassis should be cleaned at all times and not let too much dust accumulate in the chassis.

4. Insist on carefully checking and killing viruses. Do not use CD-ROMs or floppy disks from unknown sources, and check attachments in emails with anti-virus software before opening them.

5 Shut down in the correct order of operation. Do not turn off the power before the application software finishes running normally, otherwise it will cause system file damage or loss, and cause a crash during startup or operation.

6 Avoid multitasking at the same time. Do not run other software during defragmentation or checking your hard drive with anti-virus software, as this will cause a crash.

7 Don't be overly innovative. The drivers of various hardware do not have to be updated at any time, because the drivers that have just been developed often have bugs in them, which will cause damage to the system and cause the system to crash, and the latest is not necessarily the best.

8 When uninstalling the software, use the built-in anti-installer or the installation and uninstallation method in Windows, do not delete the program folder directly, because some files may be shared by other programs, once these shared files are deleted, the application software will be unusable and crash.

9 When setting up a hardware device, it is best to check for Interrupt Reservation (IRQ) and do not let other devices use the interrupt number, so as not to cause interrupt conflicts and cause system crashes.

10 When surfing the Internet, do not open too many browser windows, otherwise it will cause insufficient system resources and cause the system to crash.

11 If your machine memory is not very large, do not run a program that takes up a lot of memory, such as Photoshop, otherwise it will easily crash when running.

12 For system files or important files, it is best to use hidden attributes so that these files are not deleted due to wrong operation and cause system panic.

13 When modifying the master boot record of the hard disk, it is best to save the original record first to prevent the original boot record from being unable to be restored due to the failure of the modification.

14 CPU, graphics card and other accessories generally do not overclock, if you really need to overclock, pay attention to the temperature of the board after overclocking, CPU, graphics card, etc. work at abnormal frequency and temperature for a long time, it will automatically restart or crash, and burn the CPU, graphics card, and motherboard.

Only reinstall the system, if you install a one-click ghost, restore it.

I can only re-flash the system.

The computer suddenly freezes and won't turn on for several reasons:

1.Power supply problems: If your computer's power supply is not working properly or the power cord is loose or damaged, the computer will not turn on. You can check if the power supply is in good contact and try to replace the power cord to fix the problem.

2.Cooling problems: If there is a problem with the computer's cooling system (such as a clogged cooler, a slow or faulty fan, etc.), the computer will be hot, overloaded, and cause a crash. You can dust the radiator, replace a faulty fan, or repair your computer's cooling system.

3.Hardware issues: Problems with your computer's hardware (e.g., CPU, memory) can also cause crashes. The problematic hardware component can be inspected and replaced to resolve the issue.

4.Software problems: In some cases, the installed program software or drivers may be faulty or incompatible, which can also cause the computer to crash. You can try to press F8 to enter safe mode, uninstall or repair the software or driver to solve the problem.

If you are unable to determine the cause by yourself, it is recommended to contact a professional computer repair technician for repair and troubleshooting.

There can be many reasons why your computer suddenly freezes and won't turn on, and here are some of the common ones:

Power failure: It could be a lack of power** or a power failure that caused your computer to freeze.

Memory failure: If there is a problem with your computer's memory, it can cause a system crash or freeze.

Hard drive failure: A corrupted or erroneous hard drive can also cause your computer to freeze.

Graphics card failure: If the graphics card fails, it can also cause the computer to freeze or not boot properly.

Overheating: If the internal temperature of your computer is too high, it can cause your computer to freeze or shut down automatically to protect your hardware.

Other software issues: Some software may interfere with the normal operation of your computer, causing your computer to freeze or not boot properly.

If your computer suddenly freezes and won't turn on, you can try the following methods to troubleshoot:

Check that the power cord and plug are securely connected, and confirm that the power supply is working properly.

Remove the memory module and insert it again, or replace it with a new one.

Use a hard drive detection tool to check the hard drive for bad sectors or other issues.

Clean the inside of your computer to ensure that the heat is well dissipated and that it does not overheat and cause a crash.

Uninstall unnecessary software to avoid crashes caused by software conflicts.

There can be a variety of reasons why your computer suddenly freezes or won't boot, but here are some common failures and how to deal with them:

Power issues. If the computer's power supply fails, the computer will suddenly freeze and not boot. You can check if the plug connector is not properly connected, or if the power cable is damaged.

Hardware issues. Hardware failures such as memory, hard drives, graphics cards, etc., can also cause computers to crash and fail to boot. It is recommended to troubleshoot simple connection errors, such as replugging the hardware device cable or replacing the faulty part, and then turning it on again.

Virus or software problems.

Sometimes the installation or acquisition of illegal or unsafe software programs has an unsatisfactory failure information, including sudden crash, unable to boot into the system, in this case it is necessary to use antivirus software to clean the operating system in order to repair the failure.

System file corruption.

If the computer is corrupted after some important system files, various abnormal phenomena will occur on the computer and it will not be able to start or run. This is usually done by restoring the system in Windows safe mode or by resetting the computer and going to recovery mode to reinstall the system.

There may be one of the following reasons why your computer suddenly freezes and won't boot:

1.Power supply problem: Check whether the power cord is plugged in tightly and confirm whether the power supply is working properly. If the power supply doesn't provide enough power, the computer won't start properly.

2.Hardware failure: It could be a failure of a hardware component, such as a memory module, hard drive, or graphics card. Try plugging these components back in and out to make sure they are well connected. If the problem persists, the faulty hardware may need to be replaced.

3.Software conflicts: Some software conflicts or faulty drivers can cause the system to freeze.

Try going into safe mode, disabling the recently installed software or drivers, and then restarting your computer. If it starts successfully, you can troubleshoot the problematic software or driver one by one.

4.Overheating issues: If your computer is running for a long time or if there is a problem with the cooling system, it can cause it to overheat and crash.

Clean the dust inside your computer and make sure the heatsink is working properly. If there are still overheating issues, you may need to replace the radiator or add a fan.

5.Operating system failure: Errors or corruption of the operating system can cause the computer to not boot properly. Try repairing the operating system or reinstalling the operating system using the recovery option. Back up important data in case of data loss.

Summary: A sudden computer freeze and won't boot can be caused by a power issue, hardware failure, software conflict, overheating issue, or operating system failure. Check the power supply, hardware connections, troubleshoot software conflicts, clean the cooling system, and try to repair the operating system.

If the problem persists, it may be necessary to seek professional help.

First: Press the numlock key of the numpad to see if the keyboard indicator reflects, if not, you can only hard reboot or shut down.

The following is based on reflection).

Second: press alt+f4

Third: press Ctrl+Alt+The fourth type of active process for ending unresponsive tasks from Task Manager: CTRL+ESC (generally useless.)

Viruses, CPU, motherboard and graphics card corruption... There are too many reasons to mention.