The motherboard surely took all the regular pins, so it would just be a ... One relay senses the computer’s on/off switch and triggers the ATX power supply to turn on. The problem is the ...

One thing to try is to remove the front I/O panel connectors to your motherboard and use a flat-head screwdriver to short the two power-switch pins. This will rule out a problem with the physical ...

For instance, if the PC is not receiving any power, the power supply, motherboard ... Locate the PWRBTN (power button) and GND (ground) pins on the header. They are usually next to a blank ...