CPU keeps turning on and off - Can't connect to monitor

ikameong

Reputable
Aug 25, 2015
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I have a computer that runs well -- used to.

I moved the computer because my office has moved to a new building. The computer was doing fine before I moved it. But now, whenever I tried to boot it, the power button lights on, and the fan is even working. After around 5 seconds, the fan shuts down (which I assume the CPU too). After it turns off, it started turning on again and repeat the process of turning off after 5 seconds and then turning on again and again.

I don't know if it has anything to do with anything, but the CPU doesn't seem to connect with my monitor too, which I don't know why because it used to work just fine. What should I do?
 
Solution
Hi there
You could try opening that system (make sure it powered off first), then find the memory sticks, pull them out and push them back in again.