I explained the graphics and the audio on the previous page... however, I have to edit the links because we can't have them in the forum any longer (at least links to non-open source software or software that modifies apple's software or files) so I'll PM you the links.

as far as the wireless goes, we need to know the chipset of the wireless controller to be more accurate, but I would try giving the Broadcom wireless package a try. I'll PM you that as well.

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