Watercooled 7970 crashes and blackscreens under load

Osker_

Commendable
Oct 22, 2016
6
0
1,510
I bought a used 7970 with an EK gpu block (not full cover). I planned on using it in my cheap watercooled build with an i5 2320, 6gb ram, itx lga 1155 mobo, and a Corsair cx 430. I know the psu is a bit lower wattage but i dont think thats the problem. I've tested the build with a 750 watt psu and it crashes like usuall. The GPU temps nearly reach 50 C and I've tried to cool the vrm and vram with heatsinks and fans but nothing works. I've also tested other bioses for the 7970 and older drivers. Thanks in advance.
 

Osker_

Commendable
Oct 22, 2016
6
0
1,510
It keeps getting worse, I just unistalled the driver the 3. time and it blackscreens without any load. I can't even install the new driver before it turns black.