Hi I have removed and replaced the same CPUs on 2 462 socket motherbords arrow pointing wright way round and frits and fitted back the fan neither of them now work they ever power up for a few seconds and switch off or dont power up at all and refuse to prossess one has a beeper on it and sometimes makes a constent beeping noise I have replaced loads of CPU in the past and i have never had such a stuip problem putting the original CPU back Any advice please Thanks Toolless
