You could try resetting the camera and that will set everything back to original factory defaults. Go into you setup menu and at the bottom is reset. Try that and see if that works. If not you would have to send it in. That camera's old enough it may just be the buttons are worn out.
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You could try resetting the camera and that will set everything back to original factory defaults. Go into you setup menu and at the bottom is reset. Try that and see if that works. If not you would have to send it in. That camera's old enough it may just be the buttons are worn out.