Weird Screen Activity

This is a new one on me. This started out of the blue. The screen on my power book laptop started flickering and fluttering and then it would suddenly start going white in the middle and work its way out. I've seen this happen to LCD's before when they're dieing (whimper) but when I close the lid and let it go to sleep and then open it again, it comes back up like nothing even happened. The dieing ones never did that, they just went, hope you had all the info off that hard drive, say goodbye to old Broadway for me (you get the picture, or not ;o) ). Then today it did something new (ish). the screen when from it's going white act to grey, only it doesn't come back. It chimes, it boots up, and if it goes grey while the computer is running the programs beneath it still respond to the keyboard commands. I can quit out of programs or even use the power and return key to turn the computer off, I can use the dimmer keys to turn the brightness to darker and lighter shades of grey (it's mocking me), and I was even able to eject disks from the drives. Things not possible when I had a kernel error two years ago, and it doesn't seem to fit the description of the video display problems from here http://support.apple.com/kb/HT1573?viewlocale=en_US (but I could be wrong). I saw one forum on another site where some described a similar problem and blamed it on installing the last Flash player update which is when my problem started. My computer is old and beat up but it just very suddenly started doing this but I'm having a very hard time buying the Flash player thing. Any ideas, thing I can try, or is it Genius bar time? I suppose if I uninstall the player and it goes away that was the problem, any ideas how I do that? Sorry for the long post. Thanks.

Hi Kaytebb, and a warm welcome to the forums!
Might try this
Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, test that problem while in Safe Mode, it uses different Video drivers.

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