Today i bought a imac 233 green for $5 dollars at a garage sale. It was working fine all day until i moved it to my room, i turned it on and it said there was first a bus proble turn of extensions by shift reset, i did it was past that than another came up saying unimplimented problem turn of extensions by holding shift twhen reseting i did nothing worked. The problem is it didnt come with any os 8.1 discs or anything . Somebody Please Help!!!!!!!!!!!!!!!