Athlon 2000+ A7V-333-X 512Mb Crucial DDR 333 120Gb Maxtor HD Creative GeForce2 Creative Live! Sound Enermax 300W PSU Volcano 9+ HSF I have built the above computer, but it won't boot up, or POST. There are no system beeps. The motherboard LED lights up. When I press the power button the fans spin for about a second, then lose power again. I have stripped the machine right down to the motherboard, graphics card, one memory module, CPU/HSF. Still the problem remains. I installed a new motherboard thinking I had damaged the old one, same problem. Same with the processor. I have tried using the computer in different rooms thinking the power outlet was faulty, also using different power leads, and a different power supply unit. I have tried to use the machine with / without a Thermaltake shim with no success. Memory, motherboard and processor appear physically undamaged. I have also tried powering up the system through the reset button, thinking the original power button was damaged. Still no luck. Any ideas?