What to do if the pin is not available and the computer cannot be turned on?

How to solve the problem if the pin is not available and the computer cannot be turned on?

is a typical CPU power supply circuit damage, which is three-phase Or one of the field effect power tubes in the four-phase power supply is damaged and short-circuited to ground. Just find out and replace it.

Related introduction:

Computer pin code is a commonly used identification technology. To put it simply, it is a randomly generated but verifiable set of identity verification identification sequences. The pin code can only be used once. It takes effect immediately after the time limit is reached or has been used.

Currently, passwords are encrypted by md5 or other methods, but there is a risk of being cracked. The emergence of pin codes can further improve security.

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