i don't know what kind of problem i have, if i had to guess i would say a motherboard problem or a video problem. i don't know if it has onboard video as i have not opened it up yet. it was working fine and then something started happening with the monitor making squares whereever i moved the mouse. then i shut it off and when i turned it back on this is what comes up.....a black screen with intel (r)aaaaaaaale-g pcirrrrrrrrated svgssssssss build nu3333333329 pc de////////12/2004 222222224 decompilrrrrrrrr disasseoooooooohibited copyrigh0000000000-2003 oooooooorp. allrrrrrrrreserved. what in the heck is this. the pc sat in a closet for a few months just got drug out a week ago reinstalled xp professional and worked for a couple days after that. i have reinstalled os a million times and i know i didn't do anything wrong there.