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I've been having some trouble with a strange issue regarding my crossfire hd5850 setup. What happens is the following: sometimes, at seemingly random points in time when my PC is being used (not necessarily high-load situations, just seemingly random) the fan of my second (Sapphire, reference) hd5850 starts spinning at full speed and the card is not being detected anymore by my computer (and crossfire is disabled). I keep getting an image though after rebooting, as the image comes from my other card (Asus, reference).

Doing a reboot generally does not fix the issue. Instead, what often works is turning off the PSU for a couple of seconds and trying again (generally, it takes a couple of tries) or unplugging the card from the PSU and reconnecting it (generally, this takes a couple of tries as well).

I do not really have a clue what this issue could be about. Could it be the card? The PSU? Or perhaps the mobo? It does not happen all too often, so it is manageable, but it seems to be occurring a bit more often as of recently. Also, it recently happened when doing a cold boot as well, which made me worrying a bit more.

I hope you guys have got some ideas!
Edited by keesgelder - 5/9/12 at 5:35am
Main rig
(15 items)
 
Spare rig
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CPUMotherboardGraphicsRAM
Intel Core i7-4770K Asus Sabertooth Z87 2X EVGA 1080 FE SLI Corsair Dominator Platinum 16GB @2133MHz 
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2X Seagate Barracuda 7200.14 3TB Crucial M500 960GB SSD LiteOn iHBS112 BD-RE Corsair H100i w/ 2X Noctua NF-F12 
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Windows 10 Pro LG 34UM95-P Realforce 87U Corsair AX860 
CaseMouseAudio
In Win Tòu Logitech G502 Asus Xonar DGX 
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Main rig
(15 items)
 
Spare rig
(15 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i7-4770K Asus Sabertooth Z87 2X EVGA 1080 FE SLI Corsair Dominator Platinum 16GB @2133MHz 
Hard DriveHard DriveOptical DriveCooling
2X Seagate Barracuda 7200.14 3TB Crucial M500 960GB SSD LiteOn iHBS112 BD-RE Corsair H100i w/ 2X Noctua NF-F12 
OSMonitorKeyboardPower
Windows 10 Pro LG 34UM95-P Realforce 87U Corsair AX860 
CaseMouseAudio
In Win Tòu Logitech G502 Asus Xonar DGX 
  hide details  
Reply