Q: iPod Touch 2g stuck not detecting in itunes, also its power button is not working

iTunes for Windows Vista or Windows 7: Troubleshooting unexpected quits, freezes, or launch issues

or

iTunes for Windows XP: Troubleshooting unexpected quits, freezes, or launch issues

Also

- iOS: Not responding or does not turn on

WHen it says place the iPod in recovery mode, use one of these programs

For PC

RecBoot: Easy Way to Put iPhone into Recovery Mode

If necessary:

Download QTMLClient.dll & iTunesMobileDevice.dll for RecBoot

and                         

RecBoot tip

For MAC or PC       

The Firmware Umbrella - TinyUmbrella

- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.

- Try on another computer                 

- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.

Apple Retail Store - Genius Bar