Why does iPad 3 4G constantly restart after 8.3 update only when docked with iMac?
Why does iPad 3 4G constantly restart after 8.3 update only when docked with iMac?
iPad, iOS 8.3, 3 March 2012 64GB 4G
Why does iPad 3 4G constantly restart after 8.3 update only when docked with iMac?
iPad, iOS 8.3, 3 March 2012 64GB 4G
That question is impossible to answer without more information. What troubleshooting steps have you performed? Did you try using another cable? Did you try using another USB port on the Mac? Did you reboot the Mac and reset the iPad? Have you tired restoring the iPad?
Restart or reset your iPhone, iPad, or iPod touch - Apple Support
Use iTunes to restore your iPhone, iPad, or iPod to factory settings - Apple Support
Why does iPad 3 4G constantly restart after 8.3 update only when docked with iMac?