Microsoft Zune hard reset or resetting Zune HD
How to Factory Reset Microsoft Zune media player
Soft reset Zune and Zune HD restarting your device
Press and hold the BACK key + UP on the 4-way pad at the same time
Zune HD: Press and hold POWER button for 10 about seconds.
Microsoft Zune HD hard reset
Turn off Zune HD. Turn on and hold the home button and media button together. All content will be deleted.
If you do not want to delete the content, but you want to reinstall the firmware, you can put Zune HD into recovery mode by pressing and holding the POWER and MEDIA buttons for 15 seconds. The device will reboot into Recovery mode and allows for firmware reinstall.
Microsoft Zune hard reset
Formatting and reinitializing your Zune 30/4/8/16/80/120 Devices:
To perform the following, you must first reboot your device (hold the black button and up), and then when the screen goes black, hold the megfelelő buttons until the process begins. (“OK” refers to pressing the center of the D-Pad/Z-Pad.)
Clear Content (Format from Device) – Clears all media content from the device, but leaves the firmware intact.
V1 Devices (Zune 30): Press and hold Back + Right + OK
V2 Devices (Zune 4/8 and 80): Press and hold Back + Play/Pause
Initialize Disk – Removes the content and the firmware. Device will be inoperable until connected to a PC so new firmware can be installed.
V1 Devices (Zune 30): Press and hold Back + Left + OK
V2 Devices (Zune 4/8 and 80): Press and hold Back + OK + Play/Pause