Computer boot black screen how to do

Computer Boot black screen

1. The keyboard can be removed to try if you can get a USB connector plug up to try

2. Change the error prompt in CMOS to "all errors except keyboard faults"

3. The computer chassis can be opened, the dust of the parts of the first brush with brush clean, carefully inserted back.

4. The power supply current is unstable, or the voltage can not stabilize also have this kind of phenomenon.

5. If your video card is plugged in, you can try another slot.

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