this link might be what you're talking about it and has a possible solution.

http://www.macfixitforums.com/showflat.php?Board=tiger&Number=823628

-Matt

On Jan 27, 2008, at 9:58 AM, Nelsn Helm wrote:

The everything on the desktop disappears at the same time, and
returns at the same time, a second later, altho any files or folders
from the external hard drive do not re-appear. The cursor also moves
during the blink.

I have forced Finder to re-start, and I have re-booted, but have
noticed no change.

At 9:19 AM -0500 1/27/08, Jerry Freeman wrote:
...and which OS? Preliminary, sounds like a Finder problem. Have you
relaunched the Finder in Force Quit. best...jf

On Jan 27, 2008 7:34 AM, Ed Wiser
<<mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED]> wrote:

By blinking is the screen dimming or the light changing? Or are the
icons blinking?


On Jan 27, 2008, at 2:19 AM, Nelson Helm wrote:

Everything on my desktop frequently blinks off and on.
(perhaps 5 times while I worked on this post)

Also, when finder looks for something,
or when a program shud shut down after completing a task,
it hangs.

E.g., when I up-dated my software,
the computer "optimized" my hard drive before quitting.
But 90 minutes after the blue bar reached the end,
the beach ball was still spinning.

I have run TechTool Pro, and everything checks out.

What to do next?


  Machine Name:       iMac
  Machine Model:      PowerMac4,2
  CPU Type:   PowerPC G4  (2.1)
  CPU Speed:  700 MHz
  Memory:     640 MB
  Boot ROM Version:   4.3.5f1



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_______________________________________________
The next Louisville Computer Society meeting will
be February 26 at MacAuthority, 128 Breckinridge Lane.
Posting address:
<mailto:[email protected]>[email protected]
Information:
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_______________________________________________
The next Louisville Computer Society meeting will
be February 26 at MacAuthority, 128 Breckinridge Lane.
Posting address: [email protected]
Information: http://www.math.louisville.edu/mailman/listinfo/macgroup




_______________________________________________
The next Louisville Computer Society meeting will
be February 26 at MacAuthority, 128 Breckinridge Lane.
Posting address: [email protected]
Information: http://www.math.louisville.edu/mailman/listinfo/macgroup


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_______________________________________________
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Posting address: [email protected]
Information: http://www.math.louisville.edu/mailman/listinfo/macgroup

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