Where do I set my computer's name for Apple TV?

Use these steps to change the shared name of your iTunes library when it appears as a source for syncing and streaming data on your Apple TV.

1. On your computer, open iTunes preferences (In Windows choose Edit > Preferences . On a Mac choose iTunes > Preferences).
2. Click General.
3. In the field labeled "Shared Name," enter the name you would like to appear.
4. Click OK.

The name you entered is what will appear on your Apple TV under Sources.

If you want to change the name of your Apple TV, double-click the name in the Source list in iTunes and type the new name.