u could.. itd most likely fix ur problem but itd also be a pain =)
so here is what i suggest.. uninstall all ur audio drivers.. and re install the one that worked if u like.. (if not just leave the one that works) then for the speed... are the sounds the same speed? or is there no sound? and what are u using to view ur movies...?
also.. open ur device manager and find ur cd rom drive.. see if it reports any errors
hope that helped
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