Just added a Radeon 6350 DMS59 video card (also has a mini display port) to Optiplex 990 SFF runing WIN7 64bit.
No signal seen from dms59 connection to monitors but mini display port output works fine ( with same monitor).
Multiple monitor display is enabled in system settings.
Have updated all drivers, device manager recognizes and identifies 6350 card and lists device as 'working properly'.
No gaming center loaded in Catalyst Control Center - so no 'Crossfire' issues as mentioned in other online posts.
I've run out of troubleshooting options and would appreciate any suggestions for next steps.
Hate to just say the dms59 output problem is a hardware failure, but that is always a possibility.
Ideas anyone?
Thanks, Tom
P.S. first time poster, not a pro - not stupid, but still might need a KISS answer
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