Things You'll Need
Instructions
Remove the Memory Stick and battery from your PSP. Make sure that the charging unit is unplugged and that it is not connected to a computer.
Unscrew the six screws that hold the black plastic faceplate on your PSP. Four of these will be found in the battery casing, one on the back, and a final one on the bottom edge. Make sure to keep these small screws in a safe place as they are easy to lose and difficult to replace. Remove the faceplate.
Lift the D-pad button, which should simply come off once the faceplate is removed.
Clean the exposed contacts under each arrow of the D-pad with a small piece of cloth. Rub them thoroughly (they are not fragile) and remove any particles or residue.
Return the D-pad, the faceplate, screws, battery, and Memory Stick. Turn on your PSP and test the buttons. If you still have problems, the problem is electrical and will require you to send your PSP to Sony for repairs.