Trying to update iPad 2 to iOS 6 I tried updating my iPad to iOS 6.  I plugged the iPad into my computer and it showed that is was backing up, however the update never showed up on iPad.  What do I need to do?
For updating a device using iTunes, you must, first, ensure that you're using the latests iTunes Version. Then just:


Connect your device the computer.
Select your device when it appears in iTunes under Devices.
Click Check for Update in the Summary pane.
If an update is available, iTunes prompts you to download and install the update.