Sansa Clip + 4GB Dead

Clip+ 4GB  - Was freezing up on  a regular ly.  Lately on a daily basis. Yesterday it went dead and will not come back. Tried all suggestions.  Power button for 15 seconds. Nothing  Then 60 seconds. Nothing. Tried Home / Power for 15 / 30 / 60 seconds. Plug in to Computer. Pluged into wall charger. Nothing Nothing Nothing!  Only 5 months old.  Now what?