What should I do if the CPU fan spins and then stops when I turn on the computer?

What should I do if the CPU fan starts spinning and then stops?

The first step

Open the case, remove the memory module and the graphics card

The second step

Use an eraser to wipe the gold finger, and then plug it back in

The third step

Check whether the host power supply is good, you can use the replacement method, use other Power supply test

Step 4

If it can be turned on, it is a power problem. If it still cannot be solved, it is a motherboard problem. It may be the motherboard protection function.

The fifth step

You can remove the motherboard battery, discharge it and reinstall it

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