GPU keeps crashing on load, performance test, and games

[TheMine98]

Hello,
I started having this problem when my gpu fans go full speed and my display goes black when i tried to use GUI miner for bitcoin, it instantly made my gpu crazy, fans went 100% speed, screen went black so i restarted my computer and deleted the program, then i proceeded to play games, (COD WAW, CS:GO) the same thing happened, my gpu went full speed screen went black, but the pc was still running, i removed the gpu and put it back in the pc everything went fine for a day, then when i try to play csgo , after a couple hours the same thing has happened. Any solutions? I also tried driver upgrade, same thing.
Specs:
Stock GTX 770 Bought used 1-2 weeks ago (worked fine for the first week, problems occured just these 2 days)
1x Adata 240GB SSD
1x WD 1TB 7200RPM HDD
1x Seagate 1TB old hdd, used incase of backup
i5 4690k
16gb DDR3 Ram (2x Pny 1866MHZ, 2X random 1333MHZ , all downclocked to 1333MHZ)
MSI z97 gaming 5 (intel stock cooler) no oc
EVga 850w G2
Gpu temps on idle is 44 degrees, but i live in a hot country, so i'm guessing its fine. everytime i try









EDIT: IM RETARDED, I DIDNT PUT THE POWER CORDS IN CORRECTLY, THANKS FOR ALL THE HELP.

 

[Jwpanz]

Try updating the BIOS on your GPU. And update the driver as well. If neither of those work, then your GPU may be dead.

 

[TheMine98]

Could this be heat related?

 

[TheMine98]

Gpu started acting out more weird, upon startup after 1 min it would go to blank screen, then it stops showing display, so i assume it's done for.

 

[Jwpanz]

Could this be heat related?

It doesn't sound like it. If your fans are spinning then that shouldn't be a problem. It sounds like your card has some faulty sensors or the physical GPU is dead. If you have another card on hand then I would swap it out and see what happens. Try to isolate the card as the issue. If you have a buddy then see if it works in his system. If not then you have a dead card.

 

[TheMine98]

I plugged in my old 7750, works fine and everything. Anything I can do with my 770?

 

[Jwpanz]

You could try to have it repaired if it's still under warranty. I would contact the person I bought it from and see if they have any documentation left over for it or even if they could refund you for selling you a lemon. If they won't honor it then you could resort to selling it for parts and list it as broken to try and make up what you lost.
As I mentioned before, make absolutely sure the card is dead by plopping it into a different computer and see what happens.

 

[TheMine98]

I have an old i5 650 with a 400W psu build without Gpu power connections, but I'll try when I get home

 

[Jwpanz]

Hook up your current PSU to the GPU in that old system. You'll basically be running two PSU's in one tower momentarily. If the GPU still fails then you know it's for sure dead.