How come my apple tv won't accept my password?

Hello Lmm88,

Thanks for using Apple Support Communities.

For more information on this, take a look at:

Apple ID: Changing your Apple ID password

http://support.apple.com/kb/HT5624?viewlocale=en_US

Best of luck,

Mario

We know how to change a password. Itunes on my MacBook accepts it fine just not on Apple TV

your iTunes shared lib password or your appleID password?