Before you get too gung-ho with tea-lights and incantations (or benzine libations), gung instead on over to Applefritter. There are a number of threads about use of shims, solder reflow and ball grid array tinkering to resettle the GPU of G3 iBooks. You are the n millionth owner to run into the problem, so you may as well capitalize on the experience of others, especially as revealed here.

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