Basic Key Combos
For all models except the HD.
Sleep Mode: Press and hold the play button to put your Zune to sleep.
Deep Sleep Mode: Press and hold the back + down buttons and your Zune will go into deep sleep mode.
Home: Press and hold the back button and it will take you to the main menu no matter where you are.
Reset: Press and hold the back + up buttons to reset (not reformat) your Zune.
Advanced Key Combos
All of these key combinations need to be entered
while the Zune is starting up.
Delete all Content: Press and hold the back + center + right buttons to delete all content (except the firmware).
Delete Everything: Press and hold the back + center + left buttons to delete everything it has on it (including the firmware).