why is my ipad mini not syncing?

iPad not appearing in iTunes

http://www.apple.com/support/ipad/assistant/itunes/

iOS: Device not recognized in iTunes for Mac OS X

http://support.apple.com/kb/TS1591

iOS: Device not recognized in iTunes for Windows

http://support.apple.com/kb/TS1538

iTunes for Windows: iTunes can't contact the iPhone, iPad, or iPod software update server

http://support.apple.com/kb/ts1814

iTunes for Windows: Device Sync Tests

http://support.apple.com/kb/HT4235

IOS: Syncing with iTunes

http://support.apple.com/kb/HT1386

Apple - Support - iPad - Syncing

http://www.apple.com/support/ipad/syncing/

iTunes 10.5 and later: Troubleshooting iTunes Wi-Fi Syncing

http://support.apple.com/kb/ts4062

iOS: "Not enough free space" alert when trying to sync

http://support.apple.com/kb/ts1503

 Cheers, Tom 😉

You can do it by restoring iPad and resynching all your iTunes. This will take about an hour, but it seems to work each time.