Scrambled display after waking from sleep...

I have a problem, probably with the computer, not the OS. Whenever the computer wakes up from sleep, the screen becomes all "messed" up, or scrambled. The keyboard still works, because I can enter my password, but the screen just moves to a different state of "jumbled". Powering down and restarting, and everything works fine. It only happens when waking from a sleep, and only about half the time.
I have a picture posted here of what the screen looks like, it allows screen capture, or at least use of the keyboard.
http://farm4.static.flickr.com/3267/314779420795d8e4b97fb.jpg
Any ideas ? Thanks

If you didn't buy 3 year Applecare, you would have a 1 year warranty, which would be over by now, unfortunately. If you bought three year Applecare, you are still covered.
You might still try an external display and see if you get the same artifact on it. If not, there's a chance that the problem is in the internal display and/or its connections. If you do get the same scrambled display, that would be a strong indication that it would be the graphics chip.
Also see if you get an error code from the AHT. If you do, that would confirm there is a hardware problem.
I don't think that this is a software problem, but you could always reinstall the OS to eliminate the possibility of software corruption.
Good luck!

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Scrambled display after waking from sleep...

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