Step 1. Turn off your Droid X, if frozen remove battery then put it back in.
Step 2. Hold the Power and Home buttons down while your Droid X powers up.
Step 3. A screen with an exclamation will appear. Press the Volume Down and Volume Up keys at the same time.
Step 4. On the menu Scroll down to wipe data/factory reset using the Volume Up and Down keys.
Step 5. Press the Power button to confirm your selection.
Step 6. Using the Volume keys scroll down to Yes — delete all user data.
Step 7. Press the Power button to confirm your selection.
Step 8. Your Droid X will then complete the hard reset and bring you back to the menu. Simply select reboot system now using the Power key and your Droid X will restart and be returned to its factory settings.