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GPU probably dead, advice?

jager774
By jager774
in Troubleshooting
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Hey everyone!

I bought a used Asus Strix GTX 950 to put in a Dell Optiplex I had lying around, but upon arrival of the card and installing it the system, it wont power up at all.
When I install the card, and plug the 6pin PCIe power in, the PSU starts making a very quiet kind of ticking sound, if I press the power button all fans spin like a quarter of a full rotation, and then nothing.
It has two LEDs at the PCIe power plug, lit up red if the power isnt plugged in, and white if it is, so I guess it is receiving power.
I'm pretty sure the card is dead at this point, but thought I'd ask before throwing it in the trash.

Troubleshooting steps I already did:
-Try without the card (the system has an iGPU), everything works completely fine.
-Try other slots, no success
-Try other cards (some old nVidia one, along the lines of a 7800gt, and my 1060), works fine
-Unplugging and reseating everything
-Resetting BIOS prior to installing the card


Specs:
Dell Optiplex 790
MB: Dell 0HY9JP 
CPU: i5-2400
Ram: 2x4gb DDR3-1333
Storage: 1TB Seagate HDD
PSU: EVGA 550 B3 (550W)

Do you think maybe the oven method or a proper BGA reballing of the GPU could bring it back to life?

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31 minutes ago, jager774 said:

Hey everyone!

I bought a used Asus Strix GTX 950 to put in a Dell Optiplex I had lying around, but upon arrival of the card and installing it the system, it wont power up at all.
When I install the card, and plug the 6pin PCIe power in, the PSU starts making a very quiet kind of ticking sound, if I press the power button all fans spin like a quarter of a full rotation, and then nothing.
It has two LEDs at the PCIe power plug, lit up red if the power isnt plugged in, and white if it is, so I guess it is receiving power.
I'm pretty sure the card is dead at this point, but thought I'd ask before throwing it in the trash.

Troubleshooting steps I already did:
-Try without the card (the system has an iGPU), everything works completely fine.
-Try other slots, no success
-Try other cards (some old nVidia one, along the lines of a 7800gt, and my 1060), works fine
-Unplugging and reseating everything
-Resetting BIOS prior to installing the card


Specs:
Dell Optiplex 790
MB: Dell 0HY9JP 
CPU: i5-2400
Ram: 2x4gb DDR3-1333
Storage: 1TB Seagate HDD
PSU: EVGA 550 B3 (550W)

Do you think maybe the oven method or a proper BGA reballing of the GPU could bring it back to life?

Do you have another system to try the card in?

 

I have done a bunch of these dell prebuilts and I have had similar issues to this. A surprisingly simple fix was to unplug the power cord from the back of the PC and then press and hold the power button for 30+ seconds. Plug back in and boots normal. Considering the 7800gt worked, i doubt this will work but maybe worth a go.

 

As far as the oven method goes, I've got nothing except this ifixit guide. An interesting note however is that the reballing or reflow of the solder itself is NOT the solution and is a pretty popular myth. The CPU core itself is damaged/dead and the thermal shock to the flip chip solder bumps is what gives the card a little more life, NOT the solders between the GPU's mini PCB/substrate and the video card. It'll likely die again within a year even if you got brand new solder.

https://madpsy.uk/the-nonsense-that-is-reballing-dead-gpus/

 

Share any interests with me? Feel free to message me just to chit chat about whatever. 

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I do not have another system with me that I can try the card in, but I did bring it to a local PC shop to test it there, same issue.
As for the Dell part, I think I ruled that out with the other cards? At first I thougth it could be that this requires external power and is a "high power" card then, which some of these prebuilts outright don't support, but since the card didn't boot at the shop either, I think it isnt the system itself, also the fact that it did boot with a 1060, which also requires external power.
I was just wondering if maybe some of these reflowing methods could work, but I don't want to make the situation even worse and maybe damage some other components with a faulty card, if that's even possible?

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