GPU short circuit. PLEASE HELP!!

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jhonbaflo

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Nov 28, 2014
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I bought a used r9 290 pcs+ about 4 months ago. It was working fine till last week.
Then last week when i was playing and my computer turn off, i tried to turn it on again but only the the fan of the psu moved for a sec and then stopped. I spent alot of time to figure out it was the Card causing the fault.
What I believe is the Card's circuit is shorted somewhere so when I tried to turn on the PC, some "auto-protect-from-short-circuit" feature (from the PSU I believe) didn't let it run.

Later I disassembled the Card's heatsink so see if there was some surprise inside but there was none.
Then I tried to test for the short using a cheap multimeter and I found a MOSFET who didn't give any number in the multimeter in the two pictured points always its 1 (thats mean there isn't a circuit found i think?) and give 001 in the circle point. (it found a circuit)

view


so my question its, is the MOSFET bad? or i have to keep looking?
.
 

Kliqx

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If your pc worked fine for a few months then just suddenly shut down i doubt that it would suddenly start to short circuit now. If your pc has onboard graphics try running it without your gpu or put a different one in there.
 

jhonbaflo

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im using it right now without the video card (the r9 290 pcs+)
 

thegreatcaleb

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got your issue fixed?
 

jhonbaflo

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negative, the graphic card it's shorted and i didnt know what its broken because i already see al the card and nothing it's burn...

 

thegreatcaleb

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rma that baby
 

jhonbaflo

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Unfortunately i can't i bought it used from ebay :/, what to you think can be in short? I thinking its one voltage regulator or something like that...

 

thegreatcaleb

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do you have any extra vga cables? sometimes those can go bad
 

blazeaglory

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I know this is old but this information is still relevant.

If you look at the included pic, notice the solder joints. It looks like the card got too hot and the solder melted a bit and is now touching the next circuit over. You need to re solder and make sure they dont touch. Or that chip has gone bad an needs to be replaced.
 
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