Why can t the computer start, why can t the computer start

1.Check if the power supply voltage is too low.

2.Check that the power supply is well connected to the motherboard.

Check the memory and clean the chassis dust.

1. Scan the disk -- My Computer -- right-click the disk drive (C) to install the system -- Properties -- Tools -- Start checking -- check "Automatically repair file system errors" -- OK -- Start -- Check and exit and then install again.

2. Enter BIOS to turn off virus warning. Reboot, press del to enter the BIOS settings interface, and find Advanced

BIOSFeatures press Enter to AdvancedBIOS

Features page, use the keyboard arrow keys to select VirusWarning

Set to "disabled", press esc, f10, y, press enter, save to exit.

3. Check the memory and increase the memory.

4. Check the heat dissipation of the CPU and graphics card.

5. Change the disc and reinstall the optical drive.

6. Not yet, there may be a problem with the hard disk, repair the hard disk.

It seems that your board battery is going to be replaced, it is likely that your BIOS settings have been lost, the battery is dead and has been restored, first change a battery, generally CR2032, which is easy to find, and then reset your BIOS, it should be OK.

According to your description, the phenomenon should be a hardware problem. You can put a system mounting disc in it. Set up your computer to boot from a disc drive.

If it can't start. Then there is a problem with the computer hardware. If it can be started.

If there is no problem with the hard drive, repair the system or reinstall the system can solve the problem.

If you say that you can't start the computer after cleaning the computer dust, it may be because you plug in the hardware, the hardware contact caused by poor contact, so it can't start, if the indicator light of the case is not on, it may be that the power light cable on the front panel of your case is not connected.

You first listen to the start-up, whether the computer has a normal alarm sound, if not, you don't need to look at the monitor, you just look at your computer. And then.

You use the elimination method again, you don't have tools at home, you can only do this, you first unplug the memory stick, see if it rings, if it rings, you find something else, if it doesn't, it means that there is a problem with your motherboard, you just try it little by little.

Take out the battery of the case and short the poles on the motherboard! Or the jumper near the battery goes 2,3 on 1 minute! This way the BIOS is restored to factory settings. Let's see if that's good. If it's not good, it's a hardware problem. The premise is that there is no problem with your system.

Generally, after cleaning, it will cause poor contact with the plugged in equipment, it is recommended to use the gold finger of the thing that can be removed from the rubber bar to check it to ensure that you can start. Especially memory. If the memory is not plugged in well, sometimes it will not alarm.