I installed a new Asus 5870 last night. It runs great. However, I noticed that the overdrive function in CCC does not seem to work well. If I just enable overdrive, and don't adjust the clock settings, I start to get flickering on my screen. As soon as I disable overdrive, it stops. I am not overclocking the card with overdrive on, I just wanted to set the fan speed manually. I tried uninstalling and reinstalling Catalyst 9.12 suite. Still the same issue. Maybe just a driver issue? The card stays pretty cool under load with the Auto Fan feature (around 58c). So its not a huge issue, just an inconvenience. Any thoughts?
I didn't do a driver sweep when I upgraded from my 4890 to the 5870. I popped in the 5870, booted up, uninstalled Catalyst and re-installed. I didn't think there would be any conflict with the drivers being the same for both cards.
Now this is the good time to do it...
Let see after that what would happen to your 5870 and CCC...
Also u might want to try the driver which came with the card on the CD.
Sometimes, the latest is not the best.