Many modern motherboards now include on-board power buttons to boot the system for troubleshooting, but budget and mid-range boards don't always offer this option. In such a case, it's easy to jump the headers to start the board.
This sort of trick is primarily useful when building outside of the case before an install – to ensure all the components work, for instance. We use this regularly when testing. Here are the steps:
- Ensure the 24-pin and 4/8-pin power headers are connected to the motherboard.
- Ensure all other necessary power headers are connected to corresponding devices.
- Locate the power switch header for the front panel connectors on the board. These are normally labeled “PWR_SW,” “PWR_BTN,” etc. In this instance, no cable is connected to the positive and negative headers.
- Ensure the PSU is switched on and plugged in.
- Find a screwdriver. Bridge the two pins allocated to the power button.
- The system should turn on.
Let us know if you have any other troubleshooting questions. We'll try to run a guide on the process to perform tasks at hand.
- Steve “Lelldorianx” Burke.