Question 750ti blackscreen on startup

Banetrox

Commendable
Feb 13, 2019
15
2
1,515
Yesterday i tried to start my pc but nothing on the monitor..(black screen)
I tried to change gpu and pc worked just fine..
The gpu fans (750ti) are spinning..
I tried also to put in another pc but again blackscreen..
I tried to change the cable or the output but nothing..
Any ideas??