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Radeon R9 200 series temp causing crashes?

Question asked by whwiii on Aug 14, 2016
Latest reply on Aug 14, 2016 by amdpete

is R9 200 series temp 94C causing PC crashes?

XFX Radeon R9 290X R9-290X ENFC 4GB 512-Bit GDDR5 PCI Express 3.0 CrossFireX

 

so here is the issue, my PC (windows 7) started crashing intermittently: complete lock up have to power down.

sometimes will not restart (goes through cycle of repeated fan/lights on then stops).

recently it just completely shut down on its own.

occurs more frequently when gaming, but not exclusively.

local computer store installed latest graphics drivers and "stress tested it for 48 hours" on high graphic settings. found nothing wrong (checked hard drives).

 

thinking it's bad power supply but called dealer (cyberpower), support had me run CPUID HW monitor

shows graphics card temp ~70C idle,

when gaming (world of tanks >120 fps high-ish graphics settings), the card fan turns on and temp goes up to 94C

cyberpower support said the problem is graphics card, but it appears a number of cards run this hot

 

HW monitor also shows mainboard temp 100C

some forums suggest this may be a spurious reading

scanned with IR camera (below) measuring temps ~80C on hottest part of graphics card

nothing over 55C on the main board, suggesting this may be spurious.

 

so do i buy a new power supply or get a new graphics card under warranty?

 

edit power supply is corsair RM 850 plus gold

 

thanks for reading this far

 

main board hottest part:

flir_20160814T080651.jpg

 

graphics card:

flir_20160814T080755.jpg

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