Try using AMD Catalyst 12.6.. Here are some issues resolved by it.
AMD Radeon™ HD 7900, AMD Radeon HD 7800 Tri-CrossFire™ configurations + Eyefinity BSOD when launching a DirectX application.
AMD Radeon HD 7900, AMD Radeon HD 7800 Eyefinity/Multiple Display configurations BSOD when using desktop applications.
AMD Radeon HD 7900, AMD Radeon HD 7800, and AMD Radeon HD 7700 cards hang when system goes to sleep.
Please ensure that your System BIOS is up to date – some occurrences of this issue may be related to outdated System BIOS
CrossFire scaling issues seen in AMD Catalyst 12.4 with Elder Scrolls: Skyrim CrossFire.
AMD Catalyst Control Center – intermittently missing Overdrive page.
AMD Catalyst Control Center – missing GPU Activity gauge.
AMD Radeon HD 7900 CrossFire Configuration – 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.
Disabled HDMI audio when the connected HDTV is powered Off/On
To read more about this try looking here : http://www.techyv.com/questions/how-do-i-solve-issue-about-my-display-driver