I think I have localized the problem to the power supply unit.I borrowed a spare PSU from a friend and connected it to the motherboard, now every activation from the front power button results in a POST. Interestingly with the old PSU when it is pushed a LED lights at the DIMM bank, but the...
I have a system in a Antec Sonata II case powered by a Antec SmartPower 2.0 450W, For the past week the system will not power up from the front mounted switch, BUT if I unplug the power in cord or turn off the main PSU switch at the back for about 15 sec and then replug or turn the switch back...