Two bad GPUs, help fixing at least one of them?

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Malpercio

Prominent
May 29, 2017
3
0
510
I have a GTX 770 and an R9 280x. The R9 has barely been used, I just had it laying around, and the GTX 770 has been in my PC for about two years. The 770 started to crash my computer about a week ago, no obvious triggers, it would do it while idling or while gaming, no rhyme or reason. The fans would go to max and the screen would shut off, no correlation to heat. At this point, it does it immediately upon startup, I can't even get anything out of the computer, always black screen with maximum fan speed.

The R9 works fine normally, idles at about 54C, but if I load up any game it almost instantly crashes. It won't go 10 seconds, I haven't tried every game I own, but I haven't found one that works, old or new. Video is no problem. It doesn't blast the fans like the 770 does, with the R9 I just get a black screen but the computer stays on.

Specs:
CPU: AMD 8350 8-core 4GHZ
MoBo: MSI 970XA-GD55 (MS-7640)
RAM: DDR3 8GB 2200MHz, 1 stick
CPU Cooler: Coolermaster Hyper 212
GPU: XFX R9 280x
or
EVGA GTX 770
PSU: EVGA 700 B
HDD: 7200 RPM 2TB Internal SATA III drive
OS: Windows 10 64bit

Steps so far:
1. Switched cards, also ran with no card. No obvious problems with no card, but no motherboard graphics.
2. Dxdiag turned up nothing abnormal.
3. Made sure to clear out and reinstall drivers with DDU.
4. R9 crashed on 3d GPU OCCT test in about 17 seconds.
5. Cleaned both cards
 
Solution
smorizio
use hardware info 64 bit set it to sensor and logging watch your mb temps and voltages. make sure the 12v rail is holding. if it not the power supply it can be a bad vrm on the mb. an easy test to see if it the power supply is toss in a gpu that uses a lot less power. (gt630) one that uses just pci slot power.
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M

Malpercio

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May 29, 2017
3
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510
What's wrong with the PSU? Bad model? It's relatively new, the newest part in the computer. I swapped it out for a dead 550W about 6 months ago, and I feel like 700W should be pretty adequate for what's in there.

I am aware that the motherboard isn't ideal, but I can't imagine it would be causing the problem. I've pretty much already established by swapping parts the GPUs are both bad, I just want to know if anybody has any fixing advice so I don't have to go out and buy new ones. I think the 770 might just be dead but the R9 has no reason to be acting up.
 
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L

lakimens

Honorable
Jul 20, 2013
2,883
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13,460
That's actually a 990XA-GD55, I searched 970XA-GD55 and the 990XA-GD55 came up, perfectly compatible with this CPU.
PSU is not that good, but it's not garbage, it shouldn't be causing problems.
It's weird..
How do you run without a GPU if motherboard doesn't have any?
 
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M

Malpercio

Prominent
May 29, 2017
3
0
510


Just ran it with nothing plugged in. There was no graphics, but the fans weren't acting up so I called it good. The R9 has had the problem before, it's actually why it's been sitting around unused, I was hoping it was just bad drivers and a new update would fix it. I was wrong. More likely than not, if the fans turned on alright the whole thing should have been working without the GPU. At least I think so.
 
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smorizio

smorizio

Titan
Jan 22, 2010
30,984
9
125,315
use hardware info 64 bit set it to sensor and logging watch your mb temps and voltages. make sure the 12v rail is holding. if it not the power supply it can be a bad vrm on the mb. an easy test to see if it the power supply is toss in a gpu that uses a lot less power. (gt630) one that uses just pci slot power.
 
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