I have a graphics glitch similar to the one posted early on. I am running an ATI mobility
I've had issues too and posted in another thread but since I have a 5850 too I'll copy paste here:
I have a graphics glitch similar to the one posted early on. I am running an ATI mobility Radeon HD 5850. I have to say it's very difficult to shoot at anything when random bits suddenly jump into your face. So far I can't find any common trigger other than Arma 2. Updated my drivers and have tried everything I can think of beyond that. Any ideas?
This isn't my video but it shows the issue:
This isn't my video but it shows the issue: