Link:
http://blogs.amd.com/play/2012/05/31/amd-catalyst%E2%84%A2-12-6-beta-whats-new/See how this goes guys on some the 7900 and 7800 series issues.
Resolved issues:
AMD Radeon HD 7900, AMD Radeon HD 7800 Tri-CrossFire configurations + Eyefinity no longer results in a BSOD when launching a DirectX application
AMD Radeon HD 7900, AMD Radeon HD 7800 Eyefinity/Multiple Display configurations no longer results in a BSOD when using desktop applications
AMD Radeon HD 7900, AMD Radeon HD 7800, and AMD Radeon HD 7700 cards no longer hang when system goes to sleep
Resolves CrossFire scaling issues seen in AMD Catalyst 12.4 with Elder Scrolls: Skyrim CrossFire
AMD Catalyst Control Center – Overdrive page is no longer intermittently missing
AMD Catalyst Control Center – GPU Activity gauge is no longer missing
AMD Radeon HD 7900 CrossFire Configuration – no longer results in system hang after cinematic in Call Of Duty: Black Ops
Heroes and Generals: Blocky corruption in scenes with smoke effects when run in DirectX 11 mode are no longer experienced
HDMI audio is no longer disabled if the connected HDTV is powered Off/On
