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madmex

macrumors newbie
Original poster
Feb 28, 2008
1
0
I have Mac 0S X version:
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2

Version 10.5.8

Not to long after i purchased the machine I experienced "blooming" in the top left corner. It was no inconvenience, and when the machine was switched on not noticeable.

I now have a problem, in as much as if the mouse enters the area affected in the top left corner the screen goes blank. I move the mouse and the screen reappears as normal. Has any body experienced this ? I have tried 3 mouse (mice) and the problem is the same. More of a nuisance than anything else (as long as it does not get worse )

Thanks in anticipation....
 
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