No video input on my monitor?

Zeniix

Reputable
Feb 25, 2014
4
0
4,510
So 2 days ago my pc randomly crashed when I was playing a game, the pc couldn't start up for a while but since y'day it can, the problem now is that when I start it up my monitor says no video input for some reason, what could cause this problem? My CPU or Motherboard?

What I already tried

-Changing my Power Supply.

-Changing my Video Card.

-Testing the monitor on a differnet PC (it works then)

-I have checked every single cable to see if something is loose.

Haven't changed CPU or Motherboard yet.