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Question [Weird] PC wont turn on every morning but fans are spinning

May 5, 2023
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I have a very unique problem of my PC. This PC is already 3 years old.

My PC won't turn on every morning for a week now. I just noticed that when I completely turn it off and go to sleep (removed also from wall socket), then in the morning when I try to turn it on, it won't display anything. But, it has power, as the CPU and PSU fans are spinning. Also, when it has only been turned off for an hour, it will still turn on. The weirdest thing is that it's completely random when it turns on, and if it does turn on, I don't have any problems as it works well. I've already tried to replace the CMOS battery, the PSU, and a new stick of RAM. I've also cleaned it (unplugged everything) and repasted the CPU, but it still won't turn on. However, as of writing this, it turns on, but it takes me almost half a day to try everything and then I still waited for an hour just turning it on and off then magically it turns on now. But the other days it only took me 3 hours to turn it on.