okay i already did it and now is saying
Step 1 Connect Zune to your PC.
Step 2 On your PC, open the Zune software and restore the Zune device firmware.
and i do it and then it says error C00D124F
CAN'T SYNC BECAUSE THERE ISN'T ENOUGH SPACE ON YOUR ZUNE. DELETE SOME ITEMS, THEN TRY AGAIN.