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Recently I went from two 7870's to one 7970, Last night I bought another 7970 and now attempted crossfire. With both cards in their respective x16 slot with all the power cables in and Crossfire bridge connected, I get as far as typing in my windows 8 password and hit enter. It'll spin one time and lock in the same place every time. Removing the crossfire bridge I come to the same issue. Removing the second 7970 the problem goes away and I can type this post.

It's the rig in my signature, One MSI 7970 3gb and One gigabyte 7970. Anyone else run into this issue or know anything to solve it? Swapping the card is easy if I have too and not a problem.
Red Rig V2
(15 items)
 
  
CPUMotherboardGraphicsRAM
5820 Rampage V 10 1080 Corsair 32GB 
Hard DriveHard DriveCoolingOS
Samsung 950 NVME Western Digital 1TB Black H115 Windows 10 Pro 
MonitorMonitorMonitorKeyboard
Dell 28" 4K LG 24" LG 24" Logitech G19s 
PowerCaseMouse
Corsair 750 Corsair 540 Logitech G500 
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Red Rig V2
(15 items)
 
  
CPUMotherboardGraphicsRAM
5820 Rampage V 10 1080 Corsair 32GB 
Hard DriveHard DriveCoolingOS
Samsung 950 NVME Western Digital 1TB Black H115 Windows 10 Pro 
MonitorMonitorMonitorKeyboard
Dell 28" 4K LG 24" LG 24" Logitech G19s 
PowerCaseMouse
Corsair 750 Corsair 540 Logitech G500 
  hide details  
Reply