Hi all,
I have 3 ATI 5770 Juniper GPUs in in a Win7 64-bit system. All 3 are detected and properly running in device manager, but when I try to use mining software, only 1 card is seen. This is a new phenomenon. There was a time when all 3 were detected. Then it went down to 2. Now just the 1. It doesn't appear that there are any driver updates that have come down (as the drivers are dated back to 2011). I've tried using guiminer & ufasoft.

Any suggestions?