Ulff, could you post the output of the following?
% lspci -v
That would help determine your graphics card and whether or not you need
to use a different driver. As far as your fan, I believe that's all
controlled via ACPI, and I'm not sure how it all works. Have you tried
searching to see if anyone else running Linux has had your same issue?
--
Devrin Talen <dct23@cornell.edu>