This is how I fixed my issue without installing the ROM (XOOM wifi only US edition):
0. take out the microSD card if you installed one in your XOOM!!!
1. reboot (Vol up + Power)
2. On start-up when you see the Motorola logo, press and hold the
3. When you see the
Android recovery text, press the
Volume Upkey to put XOOM tablet in recovery mode. After a few min, you should see a Green Android laying down with the triangle and an exclamation (Android recovery screen).
4. On the Android recovery screen, press and keep holding the
Powerbutton then press and release the
Volume Upkey. This will take you to the recovery screen with list of menus.
Volume Downkey navigate to
Wipe data / factory resetoption and press
Powerbutton to select it.
Yes, delete all user dataoption using
7. My XOOM is fixed this way. time to set up the account again.