I have a brand new Toshiba Laptop workstation on our network that is acting quite strange. After loading SP2 it started that 'reboot by itself' deal. I uninstalled SP2 and it gave me a 'Checksum' Error. After several trys of installing the corrupt file, then re-installing the OS, I got it to boot and work fine....for a few days. Today it's performing physical memory dumps on it's own. I'm checking over here in hardware because it's starting to sound like bad ram... The ram is on the mother board. Is there a software way to check to see if the ram is bad?