GPU died after PC crash

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C

CH1003

Honorable
Nov 8, 2013
6
0
10,520
First the specs:
■
Intel Core i5 4670k
MSI Z87-G45 Gaming
Crucial BallistiX Sport 8gb DDR3 1600
Sapphire 7950 Vapor-x Edition
Cooler Master Silent Pro M2 620W 80 PLUS BRONZE
Kingston SSD V300
Seagate Barracuda 1TB
Lite-On DVD burner
Windows 8 Pro
■

Hello, my PC was working flawlessly with all the components for about a month. But a week ago, the PC suddenly crashed while it was on normal use (i was viewing a youtube video if i remember right) the screen turned white and i was hearing loud and repetitive noises, The PC did not turn off with the power button of the case, neither the reboot button so, i unplugged the PSU cord. When i turned everything on again all fans were spinning as normal but the GPU was not showing video signal and the PC did not boot completely.
I removed the GPU and the PC booted and worked fine. I thought it was the PSU but i replaced it with a Corsair CX600 and i have the same problem. It`s not problem of the PCI-e slots of the motherboard neither because a Wireless LAN adapter works fine in every slot.

Any help will be much apreciated. Thanks in advance!
 
Solution
Onus
No, that is not normal. Check your outlet and make sure it is properly grounded. Do NOT use an adapter unless you know the ground wire is connected to a good ground. The center screw in an outlet box may not be grounded.
If this behavior occurs with one PSU but not the other, then the PSU that is installed when this happens has a grounding problem and should not be used. If you can feel it, the voltage is more than enough to kill components.
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CH1003

Honorable
Nov 8, 2013
6
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10,520
:(. Yes, i tested it in another system, same PSU tough, does not fully boot neither. The GPUs sometimes fail like this? Or is it fault of the PSU?

Thanks for the quick reply!
 
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Onus

Onus

Titan
Jan 27, 2006
37,037
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89,965
Although many CM PSUs are bad, I believe yours is one of the few decent ones. While a bad PSU can kill a graphics card, the fact that the other machine doesn't boot points to the GPU being dead, regardless of what killed it. A good 500W PSU can run a rig with a HD7950, so it probably wasn't the PSU in this case. Your card should still be under warranty.
 
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C

CH1003

Honorable
Nov 8, 2013
6
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Yes, i already send a support ticket to Sapphire. What a bad luck. I was loving my 7950.

Another question: When im shoeless touching the floor with my feet, and i put my finger at the back of the case i feel a little of electricity going. Is this normal? Is only with one finger tough, if i touch with 3 or more fingers i dont feel anything.

Thanks
 
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Onus

Onus

Titan
Jan 27, 2006
37,037
12
89,965
No, that is not normal. Check your outlet and make sure it is properly grounded. Do NOT use an adapter unless you know the ground wire is connected to a good ground. The center screw in an outlet box may not be grounded.
If this behavior occurs with one PSU but not the other, then the PSU that is installed when this happens has a grounding problem and should not be used. If you can feel it, the voltage is more than enough to kill components.
 
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Solution
C

CH1003

Honorable
Nov 8, 2013
6
0
10,520
There was definetely electrical problems in my house. In short story, the power outlet had no ground AT ALL. I was lucky i think. RMA time! (i hope)

Lesson learned: always check the power outlets before connecting your expensive components.

Thanks for all the help!
 
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