System crash leads to GPU death?

muds · Dec 4, 2017

Yesterday my computer randomly shut off and then powered back on. I thought nothing of it. Later that night my system turned off again and I needed to power it back on. Today my system shut off and now will not turn on. I already opened it up and tried to turn it on using the post button on the motherboard. The fans will spin for a half second and my CPU cooler turns on. After this I took the battery out of my motherboard and changed it, still same problem. Next I took my GPU out of it's socket and the computer turns on and runs. It will not display anything to my monitor even when plugged directly into the motherboard. I am unsure if my GPU is dead and I need to buy a new one or if there is a fix to this.

Specs:
Asus Z97 motherboard
GTX 970 ftw
i7 4790k
Corsair 550w power supply
H100 cpu water cooler Corsair
16gb vengeance ddr3 ram

DRagor · Dec 4, 2017

Seems you have two separate problems. One is system not starting with GPU, and that could be caused by GPU or PSU. Second is not getting display through motherboard without GPU - and there are multiple possible reasons.
What exactly PSU model you have and how old?

muds · Dec 4, 2017

Cx550M I just put it in this summer it's the only part I replaced. The rest of the PC is about 4 years old.

muds · Dec 4, 2017

I get a bios now I plugged into my board using HDMI and it comes up now

DRagor · Dec 4, 2017

Good. Can you reach Windows on motherboard display? If you can, and everything works fine there, it would suggest the problem lies in GPU.

muds · Dec 5, 2017

Okay so I can get to my windows password screen and my keyboard just won't let me type one I get there. I can use it to get though menus at the bios start but not at windows password screen but it does work

DRagor · Dec 5, 2017

Does mouse works at login screen? Try plugging keyboard to a different USB port. If that won't help, try booting to Safe Mode.

muds · Dec 5, 2017

Yeah I can move my mouse, I tried to replug my keyboard in just won't work. In getting a new card today and hopefully that will work in my system.

DRagor · Dec 5, 2017

So that is strange. I guess both mouse and keyboard are USB? In that case it makes no sense for one to work and other not. This could only be caused by drivers failure, but even so, keyboard should still keep basic functionality.

muds · Dec 5, 2017

Yeah it works when I first started up, I can hit F12 a d go to the bios and stuff like that but the second it gets to the windows login my keyboard just powers off. So you think this might be a gpu problem I'm having if it works without the GPU in? Because it at least looks like everything works when windows login comes up but they keyboard.

DRagor · Dec 5, 2017

There is nothing to be told about GPU since you're now running without it. However, you can quickly check if it is still alive by installing it into some other machine.
So you can see the keyboard lights go out when reaching login screen? Perhaps Windows is just loosing track of it. Try re-plugging keyboard when you are at login screen. Otherwise, you can try different one if you can, last option would be using PS/2 keyboard (or just an PS/2 to USB adapter). Until you somehow get to Windows, there's no way to tell what works.

muds · Dec 5, 2017

Okay I got my keyboard to work I used another few USB ports I logged in

DRagor · Dec 5, 2017

Great, you are making progress. Check the Device Manager for any problems with devices (yellow triangles on device name). Check out how Windows functions, are drives ok, do the memory test, check the sound outputs, maybe play a game (if you have something old enough to be able to run on integrated graphics). Connect something to the USB port that did not want to work with keyboard (phone maybe) and see if the port works with the other device.

muds · Dec 5, 2017

Only thing with a yellow sign is " high definition audio device" with code 10 saying it can't start. Windows runs fine, other USB ports are fine memory is there, all my drives are there, sounds work. Everything looks good

DRagor · Dec 5, 2017

High definition audio device could be front sound ports. Do you have them connected to motherboard? If yes, check if you get sound from front case minijack ports.

muds · Dec 5, 2017

I have front sound ports but I never use them. They are on my case and then connected to my motherboard. My sound port on my motherboard works fine

DRagor · Dec 5, 2017

So looks like all is working? Then shut down, power off, and install GPU again. We will see if GPU can still work.

muds · Dec 5, 2017

Tried it and it still had the same problem. I'm going to try and install my card into my friends computer later on.

DRagor · Dec 5, 2017

So that does not sound well for your GPU. It could be indeed damaged on power down, or it could be the cause of them.

muds · Dec 5, 2017

I plugged my GPU into my friends rig and it would not post. He had a 660 in there and then I replaced that with mine and his system would not start. I put his card back in and it worked fine.

DRagor · Dec 6, 2017

So that is confirmation your GPU is RIP.

System crash leads to GPU death?

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