What should I do if my computer starts up and the screen shows a black screen with no signal?

What should I do if the computer starts up and the screen shows a black screen with no signal? This is a problem that many netizens are concerned about. Next, the PHP editor will bring you Tutorial on how to solve the problem of black screen when the computer starts up and there is no signal on the screen. Interested netizens should follow the editor to have a look!

Tutorial on how to solve the problem of a black screen with no signal when the computer starts up.

1. Check whether the monitor cable is correctly and securely plugged into the host interface, and then check the graphics card and Check whether the contact in the middle of the motherboard I/O slot is good. You can remove the graphics card, clean the dust, and reinsert it.

2. If there is no problem with the connection between the monitor and the graphics card, then try changing to a normal monitor. If the computer does not have a black screen, then the monitor is damaged and needs to be repaired.

3. If the monitor is not damaged, then further check whether the CPU fan is running normally. If it is running, use a multimeter to measure whether the voltage output is normal ±12V or ±15V. If it is not normal, try changing the power supply.

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Tutorial on how to solve the problem of a black screen when the computer starts up and displays a black screen when the computer starts up. I hope it can help you. If you want to know more about it, please Follow PHP Chinese website!

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