computer starts, screen starts and then the screen shuts off after some seconds

itGuy52

Reputable
Apr 14, 2015
16
0
4,510
Hello guys.
I just cleaned my pc and when I put it back together and started it. Then what I described in the title happens

Hope you can help me
 

3003003

Reputable
Mar 31, 2015
102
0
4,710
This might sound stupid, but did you remember to plug in the CPU fan into your motherboard? That could definitely cause your computer to shut down seconds after being powered up.