Apple TV does not accepting my password

Let’s start by identifying your Apple TV model - Apple Support.

If your model is 2nd or 3rd generation, and you have two-factor authentication for your Apple ID account, then you will have to enter that verification code together with the password in the same field.

Please see: https://discussions.apple.com/thread/250420575.

mitra170 Said:

"Apple TV is not accepting my password."

-------

Apple TV Login Issues:

Try the following, in the order provided.....

• Power Off: your Apple TV for 30 seconds, then try this log in once more

• Restart: your router

• Try: another network, if an available option

• Remove: the Apple ID login Information

• Reset or Restore your Apple TV to its Factory Settings - Apple Support