|Oct 30, 2007, 10:45 PM||#1|
iBook G4-Strange graphics glitch
This is my first post here, so go easy please
I have an iBook G4, 1.07 GHz, ATI Mobility Radeon 9200, 768 MB RAM, running 10.4 Tiger.
Recently, I started getting this strange graphics glitch where my screen dies and these random horizontal black and white lines appear. I cannot do anything. If I close the lid, it does not go to sleep. If I do power button, then 's' (normally puts it to sleep), nothing happens. I have to do a hard shutdown by holding down the power button.
I don't experience graphical glitches elsewhere. I have ATIcellerator 2 installed, but my GPU is not currently overclocked. The glitches occur infrequently and at random - it just happened while I was browsing the web. My GPU is not very hot, although I first had the glitch when it was UNDERclocked ~25% (to save battery life). My computer is still usable (and it reboots in a couple minutes) but it's still a pain to use.
Please help me.
Thanks in advance
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