Did I kill my son's GPU card?

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myklc

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Nov 20, 2013
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Chasing a dodgy power issue, I swapped out the PSU for a known working unit. I only connected the mainboard power but had left the Gigabyte 7770 plugged in. When I hit the power, a component on the GPU card failed spectacularly. Did I somehow cause this by making the card draw too heavily through the PCIe power rail???
 
Solution
T


I think many of us have forgotten to plug in the power to the GPU. I know I have and never experienced anything other than no video posting. Shut down, plug in, booted up and all good.

Sorry to hear about your issues.
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myklc

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Nov 20, 2013
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Smoke, orange flames (small) and the well-known crackling sound of an electrical arc or short.
Small singed area on card and a small bubble of molten solder on the centre of the singed area.
Either a capacitor or a resistor I think.
 
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myklc

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Nov 20, 2013
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Nope, hoping for an educated response. AFAIK, not supplying the additional PCIe power should simply disable the card, and not in this fashion.
 
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ZionZA

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Nov 5, 2013
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Well you say you had a dodgy power issue before swapping out the PSU. What was this issue? For a GPU to fry like that you either have one serious problem on your motherboard and I would recommend you send it in to get replaced or something is touching the motherboard and in doing so shorting out the board.
 
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myklc

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Nov 20, 2013
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For simplicity, my basic question is: Do PCIe GPU cards usually fry themselves if the additional power cables are not connected?
If so - my fault. If not - mainboard power regulation issue.
 
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tshrimp

Distinguished
Oct 18, 2013
22
1
18,525


I think many of us have forgotten to plug in the power to the GPU. I know I have and never experienced anything other than no video posting. Shut down, plug in, booted up and all good.

Sorry to hear about your issues.
 
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Solution
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myklc

Honorable
Nov 20, 2013
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10,510
Thanks tshrimp and mastrom101! That was my assumption, but I couldn't rationalise the flaming component issue. Adding the previous power errors to this current disaster strongly suggest the mobo has power regulation issues.
So time for a new mobo and gpu. Hope I can reuse the cpu and ram.
Giving this one to tshrimp simply because first answerer.
 
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ZionZA

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Nov 5, 2013
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I told you to take a look at the motherboard :p lol
 
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myklc

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Nov 20, 2013
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Indeed you did, but that wasn't my question.
 
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