My pad thingy is fine but the larger bottom pad buttons don't work so I have to use the upper/beneath the spacebar ones that go with the pencil eraser thing between the G, H, and B keys.

But I keep trying to click on the big flat ones at the bottom and get to pounding on them :-) and they still don't respond. I "cleaned" them as well as I could with my PC brush and they worked for a moment but then died again. They don't recess very far (unlike the actual buttons/keys on the keyboard) so I can't understand what their problem could be. I think it's just "old". There's some marring and scarring on other parts of the keyboard; it's not easy being Perna's computer keyboard