computer just beeps and will not start up. HDD, all cdrom& everything getting pwr. replaced motherboard, tried new pwr sply, reinstalled amd duron 950 socket 462 cpu, was doing the same thing with old motherboard. thought it might be memory, removed 512m pc2100 from dimm socket, put in 256m sdram, old motherboard takes both, nothing!!! installed new motherboard still nothing!!! should i replace processor next? :confused: can any one help.