My computer began locking up and had to shut off and restart to get it to work again.. well it continued to do this until now it will not come back on again.. Im running a abit KD7-S mobo and a amd xp2600 processor... it will not boot into the bios even either...I was having a system temp problem that exceeded the max safe limit quiet often, but the processor never did exceed its maximum temp level that was set by a hardware monitoring software that came with my mobo... thanks...