Buttons don't work

None of buttons (except for the power and volume) work on my clip zip. Any ideas how I can fix this?

Thanks

Melinki.

By any chance, is your player in the Hold state?  If so, press down the on/off button until the screen shows that the Hold id off.

By any chance, is your player in the Hold state?  If so, press down the on/off button until the screen shows that the Hold is off.