The computer is running slowly, from the installed system, no, it is normal in safe mode

Reasons why it won't turn on and how to solve it:

1) First of all, determine the situation before the computer failure, if the computer crashes after moving, it may be that the computer is subjected to a lot of vibration during the move, resulting in the loose internal parts of the computer and poor contact, resulting in a crash. Open the case and put the memory, display.

The card and other equipment can be re-tightened.

2) If the computer crashes and cannot boot after upgrading the BIOS program, it may be that the BIOS program upgrade has failed or the upgraded BIOS program file is not compatible with the computer hardware, and the original BIOS program file can be used to restore it.

3) If the computer crashes after setting the BIOS program, modify the set BIOS settings back or use the "Load BIOS Defaults" option in the BIOS program to restore the BIOS program.

4) If the computer crashes after CPU overclocking or upgrade, it may be caused by CPU overclocking or upgrade, you can restore the CPU frequency to normal frequency or restore to the state before the upgrade.

5) If the monitor screen prompts "Keyboard Error" or "Hard Disk Install Failure" when the computer is booted up, the relevant device is not connected or damaged, reconnect or replace the faulty device.

Just be ready. 6) If the screen prompts "Disk Boot Failure", it means that the system files are missing or corrupted, or the hard disk partition table is corrupted, you can repair the system files or restore the hard disk partition table.

7) If it is not the above problem, then check whether the inside of the chassis is clean, because dust corroding the computer circuit and interface will cause poor contact between the equipment and cause a crash, so clean the dust and equipment interface, and the fault caused by the dust can be eliminated.

8) If the fault is not eliminated, the hardware equipment compatibility problem and quality problem are finally eliminated by the replacement method.

It's stuck in **, and the solution is not the same in the stuck place.

...Crash, seeing your question, my brain crashed instantly!!

What's the situation with the crash?,Do you want to talk about it.,Is it a blue screen or a black screen?,Is there any prompt?,Or is it automatically started?

Because your question is not clear, I have to say more.

1) It may be that the hard disk mode is set incorrectly, for example, the system above win7 is not installed but achi is turned on, it seems that XP does not support it, and you need to adjust it to the default configuration in the BIOS of the motherboard.

2) The hard disk system file is broken, there will be a crash during the boot process or from, which needs to be installed from the system, it is best to format the hard disk, 3) Hardware problems, CPU or graphics card heat dissipation problems, mainly CPU, such as the fan does not turn, before the system boots to the desktop results in overheating and crashing.

That's so many problems, the landlord will solve it if you eliminate it.

If there is a problem with the system you have installed, try to install it on a different system disk, or if it is a hardware problem, check the problem with the cooling power supply, and then there may be a BIOS problem, restore the BIOS to the default settings and try it.

Hardware problems can only be checked one by one after entering with PE.

Use a USB flash drive to make a mass production into PE, if PE can go in, it means that there is a problem with your system, and if PE can't get in, it means that there is a problem with your computer hardware.

Is the configuration possible? It could be a hardware issue.

Automatic power-off is generally caused by the CPU temperature overheating. You can also check if it is the cause of the memory module to see if the motherboard capacitor is bulging.

...Crash, see.

Your question. My brain.

It also crashed in an instant!!

What's the situation with the crash, you have to talk about it, yes.

Blue screen. Or is it a black screen, is there any prompt, or is it automatically started?

Because your question is not clear, I have to say more.

1) It may be that the hard disk mode is not set correctly,For example, the jujube ant is not installed on the system above win7 but the achi is turned on,It seems that XP does not support it.,Need to。

Mainboard. BIOS to the default configuration.

2) The hard disk system file is broken, and there will be a crash situation in the lack of rock during the boot process or from, which needs to be started from.

installation system. It's best to format the hard disk and 3) hardware problems, CPU or.

Graphics. The main heat dissipation problem is the CPU, for example.

Fan. No, before the system boots up to the desktop, it overheats and crashes.

That's so many problems, the landlord will solve it if you eliminate it.

This is most likely due to a driver issue or a boot software conflict.

For driver problems, you can uninstall the graphics card, sound card and other drivers first.

You can start a project using the following methods:

1. Click "Start" - "Run" (or directly use win+r), and then enter "msconfig" and press enter. Select the "Startup" page in the window of the System Configuration Utility.

2. Similarly, there are a lot of programs that will start automatically when booting up here, and you can cancel the small tick in front of them, click OK.

3. You can also use PC Manager to clean up startup items, click "Startup Items" to disable unnecessary startup items.