I was just looking at my pc and noticed in task manager under performance, my Physical Memory ammounts were wrong so i started looking in "System Information, ControlPanel\System, and of course in the Task Manager,(see attached picture) so why would my ram not be registering?, I have 4GB RAM installed, you can see most of the pertinent system information in the picture, i have also checked my system logs for any Memory errors. this machine has locked up a few time randomly in the last year requiring a reboot with no other isses for some time in between occurances and no error logs explaining the crash. So did some of my RAM fail and windows shows no error for it? I guess the ports on the mother board could also be bad? Almost no symtoms though, aside from the occational unexplained crash.