how to enable a disabled iPad mini

First try a Reset ( No Data will be Lost )

Press and hold the Sleep/Wake button and the Home button at the same time for at least Ten seconds... (But can take Longer)... until the Apple logo appears. Release the Buttons

If no joy... Try a Restore... First from Backup... Then as New...

1: Connect the device to Your computer and open iTunes.

2: If the device appears in iTunes, select and click Restore on the Summary pane.

Restoring > http://support.apple.com/kb/HT1414

3: If the device doesn't appear in iTunes, try using the Steps in this article to force the device into Recovery Mode.

Note on Recovery Mode.

You may need to try this More than Once... Be sure to Follow ALL the Steps...

Once you have Recovered your Device...

Re-Sync your Content or Restore from the most Recent Backup...

Restore from Backup > http://support.apple.com/kb/ht1766

FORCE IPAD INTO RECOVERY MODE

1. Turn off iPad

2. Turn on computer and launch iTunes (make sure you have the latest version of iTune)

3. Plug USB cable into computer's USB port

4. Hold Home button down and plug the other end of cable into docking port. Do not release button until you see picture of iTunes and plug (very important)

5. Release Home button.

ON COMPUTER

6. iTunes has detected iPad in recovery mode. You must restore this iPad before it can be used with iTunes.

7. Select "Restore iPad"...

Note: Data will be lost