Problem with Dual Graphics Cards
I have a Windows 7 64 bit system with 2 Radeon R9 390 Graphics cards installed. Everything worked fine until the drivers updated. Now I no longer have the Catalyst Control Center because it was replaced with something called Radeon Software. But the real issue is that I can no longer use multiple monitors. I had 4 monitors connected via Display-port connections - one in the first graphics card and 3 in the second card. Now only the one connected in the top card appears in device manager and provides video. I don't mind using the new Radeon software in place of the Catalyst Control Center but it seems as though the second card is not functioning even though it appears in Device Manager. Please advise.
Thank you.
Robert
Thank you.
Robert
I would go back to the original drivers, do a system restore.
ASKER
I installed and uninstalled the drivers multiple times and even used the AMD tool to scan the system and determine the correct drivers for the video cards. I even took the cards out one at a time to make sure they at least worked individually, which they did. What I eventually found out was Crossfire is turned on by default but is not required on these video cards as they do not require a crossfire cable. Once I turned off crossfire both cards functioned properly.
Glad you got it worked out. I wonder if it defaults to that setting if you have two cards?
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You may also want to see if there is a BIOS update for your PC. Could be some kind of driver change makes it where it can't see the other card.