Hey, I recently bought a Sapphire 7950 OC, but seem to be having some trouble with it. With it installed it seems to have become a lottery whether the pc wakes from sleep or not. I often get a black screen (correction: the monitor shows no signal) and the fans run, but nothing happens. Eventually I have to crash the pc. Strangely, it would seem the longer the pc has been asleep the more likely it is that it will fail to wake (especially an hour or more). The pc does not seem to be working in the background, I haven't been unable to turn it off or restart it blindly. I've seen others have had difficulty with the zero power core feature when the monitor goes to sleep, but I don't seem to suffer this problem at all-only when the pc itself is asleep. So I'm not sure if it's related. I've tried all the usual stuff (all available drivers I could find, OS reinstall, reseating etc) but it doesn't seem to have made any difference. Haven't noticed any problems in games or video and it runs both cool and quiet. Spec is as in my sig. I haven't overclocked the card myself and haven't installed anything like Trixx etc yet, until I can figure this out. Any suggestions would be greatly appreciated, thanks.