Motorola XOOM MZ505 hard reset
To reset your Motorola Xoom MZ505 tablet to factory settings and erase all the data on your phone, touch Menu > Settings> Privacy > Factory data reset > Reset tablet.
Perform a factory reset using the settings menu
To Perform a Reset:
1. From the home screen, touch Apps
2. Touch Settings
3. Touch Privacy
4. Touch Factory data reset
5. Check the Erase USB storage box if you would like to erase all content stored.
6. Touch Reset tablet and follow the onscreen instructions
If it didn't solve your xoom problem