[SOLVED] PC is switching on and off spontaneously ?

Aug 17, 2021
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My computer shuts down on its own and I didn't even want it to, and when it is turned off, it starts up on its own ?
I go to sleep in the evening I turn off the PC and it starts in the morning.
The temperature of all things is ok & RAM is ok.
 
Solution
For PSU I think you mean "Chieftec", not "chiftec" ?

That's the weak link in your system. It's a cheap, low-quality unit so has to be suspect if PC shuts down unexpectedly.