You may have some software issues compounded by hardware degradation. If you had malware issues Panda anti-virus would of picked up on it. Memory has been known to go bad also but my hunch is the motherboard.
Yeah, I think it’s the mother board, too.
AS I noted—has been buggy from the beginning. Never would accept a 2nd 1 Gig of memory.
Also, has given sound card and ATI card stuff fits at times, it seems.
Was a $3,000 machine in Taipei I took delivery on 24 hours before I left. Wheeee.
They did the cables all nice and tidy! LOL.