If you’re having problems and Apple TV still doesn’t respond after restarting, try resetting Apple TV to its factory settings. When you reset Apple TV, all data is erased, including your accounts and configuration.
You can also reset your Apple TV and update its software at the same time.
Reset Apple TV
Open Settings on Apple TV.
Go to System > Reset, then select Reset.
Resetting Apple TV and restoring it to factory settings can take some time, so be patient. If Apple TVstill doesn’t respond, do one of the following:
If you have an Apple TV 4K: Contact Apple TV Support.
If you have an Apple TV HD and a Mac with macOS Catalina or later: Disconnect the power and HDMI cables from Apple TV. Connect one end of a USB-C cable (sold separately) to Apple TV and the other end to your computer. Open the Finder on your computer, select Apple TV in the sidebar, then select Restore. If that doesn’t work, contact Apple TV Support.
If you have an Apple TV HD and a PC with iTunes or a Mac with macOS Mojave or earlier:Disconnect the power and HDMI cables from Apple TV. Connect one end of a USB-C cable (sold separately) to Apple TV and the other end to your computer. Open iTunes on your computer, select Apple TV in the Source list, then select Restore. If that doesn’t work, contact Apple TV Support.