Hi, I have a computer, a Shuttle SN85G4 with a socket 754 Sempron Processor, 256mb Ram, an 80Gb SATA hard disk. When I go to switch on my computer the blue power light flashes, the fans spin for a fraction of a second and then it switches off, further depressions of the power button produce no affect whatsoever. If I pull the power lead out and plug it in again the same happens, but after a few attempts it will boot up though the number of attempts varies to produce a result. Once it has booted up it runs fine.
I suspected the power supply and swapped it out, I thought it seemed better for a day or so, but now it is the same so I have replaced the original power supply. I have tried swapping the ram to no effect. I have removed the motherboard and cleaned and reinstalled it. I notice the bios reports the sempron processor as an unidentified Clawhammer type processor. Could a CPU cause these types of problems? What else could cause this?