Did that give any indication of what it might be ? Have you checked that the memory is seated/installed properly ? Is it the right type of memory ? Try starting with one stick,and then the other stick.You did try safe mode didn`t you ? http://www.pchell.com/support/safemode.shtml Cables/connections/slots ? Video card ? What I`m trying to say is,keep trying every darn thing.akaivan said:(Error)sonething not intalled correctly