Why does the computer automatically shut down after being turned on?

The reasons why the computer automatically shuts down after it is turned on are as follows:

1. The host power supply fails.

Just replace the power supply with a new one.

2. Due to the CPU fan being stuck or damaged, the CPU cannot cool down and the temperature is too high. The motherboard activates the self-protection circuit to cut off the power supply.

Clean the dust on the CPU fan and replace it with a new one if it is damaged. That’s it.

3. New hardware has been added and the power supply is insufficient

If the computer has a separate graphics card and the power supply is not enough, the only option is to replace it with a more powerful power supply.

4. The graphics card or graphics card fan is damaged

This situation requires repair.

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