New GPU, sometimes crashes entire PC

[Thaylese]

Like a said, just a suggestion. *Shrug*  This is how troubleshooting goes sometimes. Eliminate what you can.

[Aelita Sophie]

The GTX 1080 is quite the beefy card. Though your PSU is well within spec, it might perform poorly for unknown reasons. Even though its gold, breakage does happen, even if its brand new. (Had a PSU die on me, brand new, Gold rated 700Watt within 6 days.) If you are somewhat skilled with electricity (don't worry, it's not high voltage) then try using a volt meter on the PCIe power connector while the PC is on without the GPU. Yellow would be 12v+ and Black should be ground. Probe them accordingly, you should get a reading of roughly 12volt. (Or ATLEAST 12 volt rather. Might be a tad higher, like 12.1 or 12.2 due ripple effect). Then also check it with the gpu. It's a bit tricky to probe, but just gently force it between the cable and the connector itself. Just be careful not to slip, as shorting it out might break your PSU. And also probe it when the GPU is on full load. It might lower a bit, but it should stay within 5% of the 12 volts. Anything lower would possibly mean that you've got a bad PSU on your hand.

Though the behaviour does strongly make me believe that your GPU might be faulty. Crashing without any load, would say a bad GPU or bad connection in someway. Try using the GPU in an other PC with a PSU that meets the requirements. If it works fine there, then it is not your GPU.

 

The fact that your PC goes black after 5 hours of gaming, might also still be your PSU. It might be overheating, as it is having trouble delivering enough power.

 

These are just my 2 cents. No definitive solution so far.

[Aelita Sophie]

6 minutes ago, Sirpz said:

Alright. Idk why it would have died now since it's never had any problems

Electrical components can always die without reason. Just because they want to on that very moment. Even if it worked yesterday, doesn't mean it didnt break between yesterday and now.

[Sirpz]

2 hours ago, TrigrH said:

turn CSM off, that might fix ur BIOS zoomed issue.

Yea turning off CSM did not do the trick unfortunately.. although my 750ti did still work, also, even without a gpu slotted the igpu still didn't work. Any other ideas for that zoomed bios would be very appreciated, even gigabyte didn't know wtf to do, they thought resetting cmos would work

[TrigrH]

18 minutes ago, Sirpz said:

Yea turning off CSM did not do the trick unfortunately.. although my 750ti did still work, also, even without a gpu slotted the igpu still didn't work. Any other ideas for that zoomed bios would be very appreciated, even gigabyte didn't know wtf to do, they thought resetting cmos would work

what display are you using? maybe there is some weird scaling issues? check the display settings?

[Sirpz]

11 hours ago, TrigrH said:

what display are you using? maybe there is some weird scaling issues? check the display settings?

After I get past the splash screen I'm just using a 1920x1080 display at native resolution. I haven't seen any settings to change just bios scaling or anything 

[JacobFW]

Would also recommend you try out Display Driver Uninstaller (DDU)  has saved my bacon a number of times.

http://www.guru3d.com/files-details/display-driver-uninstaller-download.html

 

I would suggest

1)  Run DDU

2)  Take out your card

3)  open command prompt and run   sfc /scannow

4)  Run windows update

5)  Download the latest drives from Nvidia's website

6)  Put your card back in

7)  Install the drivers

8)  Find a god who might hear your prayers.