My ipod is disabled and my computer doesn't seem to detect it, but it'll charge it. What do I do?

Disabled

Place the iOS device in Recovery Mode and then connect to your computer and restore via iTunes. The iPod will be erased.

iOS: Wrong passcode results in red disabled screen

If recovery mode does not work try DFU mode.

How to put iPod touch / iPhone into DFU mode « Karthik's scribblings

For how to restore:

iTunes: Restoring iOS software

To restore from backup see:

iOS: How to back up

If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.

You can redownload most iTunes purchases by:

Downloading past purchases from the App Store, iBookstore, and iTunes Store

iOS: Device not recognized in iTunes for Mac OS X

or

iOS: Device not recognized in iTunes for Windows

Try another computer

When the iPod is i recovery mode and you connect the iPod to your computer iTunes should say it found an iPod in recovery mode. Did yo get that message? If not that mean yu did not get the iPod in recovery mode. Keep trying.

You can also try placing the iPod in recovery mode using 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

That was awfully fast for doing this:

You can also try placing the iPod in recovery mode using 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