Weird PowerBook G4 Graphics Problem
My 6+ year old PowerBook G4 Ti 1Ghz is having occasional video problems. This old computer is happily being used by a student, except for this very annoying video glitch which can be seen in a picture I posted to flickr.
Here are some of the things I can note about video issues:
- I can take a screen capture of the image.
- The image appears through screen sharing apps (VNC)
- Comes and goes without warning.
- Sometimes it will appear on start up when the Apple logo appears.
- New windows from an app will not have the effect, but the background will will still have the effect.
- You can “erase” it by moving windows around.
- The cursor/pointer will appear over the top of the glitch and not be affected by it.
Some of these symptoms makes me think it’s a software issue rather than a hardware issue, however the problem has occurred in Tiger an Leopard and through multiple re-installs of the operating system.
I have searched the Apple message boards but I didn’t turn this up. Doesn’t mean there wasn’t anything posted, just means I may not have used the correct search terms.




This came out of no where. Apple quietly introduced a
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