I'm having a slightly different problem, but it fits in with what others are saying. I upgraded to CS4 the other day, and starting that night my system (a Mac Pro with the Radeon x1900 card) I have had issues with my display - that is, sometimes the display won't work after waking from sleep. The display is a 23" Cinema.

The rest of the system is fine (I have a laptop so I can peek in and control it remotely), and everything is just as I left it. The display itself responds to being turned on and off using the power button on the side (that is, the tiny light on the front turns on and off...). But the screen itself is pitch black, off entirely.

I took out the video card and it was, indeed, black on the intake with fine dust, so I cleaned that as best I could. That did not solve the problem, however.

Pull the plug to my desktop and plug it into my laptop, and it works just fine. Plug it back into the desktop...dead. The only thing that seems to fix it is shutting it down for a time. I don't know how long is required but it's more than a few minutes (so it's not a simple reset) and it's only been a few days and so far I've just gotten frustrated and left it over night - so it certainly could be related to cooling down.

Seems like Adobe is the culprit as the problem has *never* happened before, and has happened every day since the very day I installed CS4. I'd be reluctant to believe it...if I hadn't spent hours just upgrading to CS4 (I won't go into the legendary problems which plague Adobe's installers).

Given that when I bought this system a couple of years ago this was one of the few video cards I could choose, and it's the high-end of the bunch, there must be a lot of folks out there with this set-up plus CS4...

Sounds like the suggestion is to inhibit performance in CS4 so it doesn't fry my video card? I am running Temperature Monitor, but it doesn't show me that particular stat...

Tom_Coggia

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GPU enhancement issues with ATI Radeon X1900 XT