Ok here's the system AMD 1.4GHz w/ Thermal Take Volcano heat Sink Tyan S2390 rev B 512MB PC133 SDRAM 40GB Western Digital Hard Disk PNY nVidia Ti4200 64MB Linksys 100tx 100baseT Plextor Burner Sony Cd reader Antec power supply and Case Running Win2k here's the deal. Every so often the damn computer freezes up. reboot freezes on reboot. So It turned out to be a bad hard disk, got a new one from WD installed comp ran fine. OK now my buddy calls me says my computer still freezes up. I'l like WTF I've never in my life had a problem like this. To data I've swaped video cards, network cards moved cards around in different PCI slots, re-installed win2k, put the system on an apc back-ups for fear of poor line quality. and get this the fucker still freezes up. only thing I haven't tried is a different processor MB and Ram. anyone wanna give me some of there input on what you think or have had experience with in the past. It's drivin me fuggin nutz. thanks D.