Need help. I have this system and plan to upgrade it along the way :
i5 6500 (Stock)
Asus GTX 970 Strix (Stock)
Asus z170 Sabertooth Mark 1 (BIOS ver 1801, i think)
Corsair Vengeance LPX 2133 16 GB dual channel
HDD 1 TB (Windows 10 64 bit)
EVGA 750GQ Gold+
LG 24mk600m
So i just bought used MSI GTX 1070 ti Gaming X, i run DDU to uninstall my old driver, i plug it in but i got no signal, i triple check all the cables its correctly in places, the LED turn on and the Fan are spinning. I even swap back my old GPU it worked. I dunno what to do, help me please. Thanks