IT SOUNDS AS IF YOUR NOT GETTING THE WIRES ON THE MOTHERBOARD IN THEIR PROPER PLACES. DO YOU HAVE THE BOOK THAT CAME WITH THE MOTHERBOARD, MOST BOARDS N EED ONE WIRE TO GO TO A SEPARATE SET OF POWER PINS AND THEN ONE GOES TO THE SWITCH. THEY ARE IN DIFFERENT PLACES. ALL POWER SUPPLIES HAVE DIFFERENT WIRES, THE WIRE THAT SAYS PWR GOES TO THE 2PINS ON THE BOARD THAT ALSO SAY PWR, AND THE SWITCH PINS ARE PART OF THE LONG ROW OF PINS WHERE THE SPEAKER AND RESET ETC. ARE LOCATED. YOU COULD PROBABLY FIND A SCHEMATIC OF YOUR BOARD ONLINE IF YOU HAVE YOUR BOARD MODEL NUMBERS.