On Mar 18, 2009, at 8:57 AM, Lawrence David Eden wrote:
>
> I have a G4 iMac, running 10.4.11. In the past week, I have noticed  
> that the desktop screen keeps re-drawing every few minutes. I ran  
> Disk permissions and Onyx and I didn't get any negative messages.  
> Any idea what could be causing the re-drawing?
>
> (i hope I am explaining "redrawing" as the right action. The  
> desktop blinks and then everything on it appears again.)
>
> jane

This sounds more like a hardware issue than software. Do you hear any  
noises coming out of the monitor or computer when it blinks?

Len


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