Follow this guide to learn how to replace your non-functioning button pad.
Keep track of all pieces removed from the device.
Gently pull off the device cover. The cover snaps on and off easily where the cover attaches to the Palm IIIc device
Using a Phillips head screw driver, take out the four screws on the back of the device. You may have to pull them out with your hands once they are unscrewed.
Lay Palm IIIc face-up and remove the front cover.
Using a prying tool, carefully pop button pad out of the cover.
Insert the new button pad where the old one used to be.