I recently built a computer for a client using the ASUS P5KPL motherboard. Strange issue, the motherboard LED was on, but I couldn’t get it to power on! Until I found the following site, and read the last post.
I rechecked the power, reset, and led connectors against the screen print on the mainboard and all looked correct, but then I noticed it also says USB56 next to that set of connectors.
The printing on the mainboard is very misleading, the connection diagram for hdd, power and reset is right next to a similarly pinned USB connector. Make sure you are using the connectors labelled F_PANEL not the USB56 connector.
I went back to the motherboard, and webber75 was correct! The labelling for the Front panel connectors, is UNDER the USB connection! Quickly fixed, and we had power again!! Unfortunately, the motherboard is still playing up, so it’s still not 100%, but for anyone else having problems getting an ASUS P5KPL motherboard to boot or power on, check which connectionsÂ you have plugged the front panel wires into!