New Universal Remote Control MC377LL/A Fit For Apple TV 2 3 Music System Mac mc377llCategory: Remote Control Systems IncNEW Replacement IR Remote Control MC377LL/A For Music System Apple Mac TV 2 3 Battery IncludedOur Remote Compatible with Apple TV 2 3 A1156 A1427 A1469 A1378 A1294 MD199LL/A MC572LL/A MC377LL/A MM4T2AM/A MM4T2ZM/A, works with MacBook with IR portMac compatibility: This Remote requires a Mac with an IR port (most Macs made after 2005). FrontRow controldoes not work with Mac OS X Lion or later. Power Supply: 1x CR2032 cell battery (Battery Included, please open the battery compartment to remove the insulating piece when you receive the remote) Remote Issue Solutions: 1.not work, first suggest you to change brand new CR2032 Battery firstly.2.If the LED light of your Apple TV blinks but without any response when you use the remote, it means your Apple TV have paired with an original remote. You should unpair your Apple TV first, then the replacement remote can work. Mac compatibility: This Remote requires a Mac with an IR port (most Macs made after 2005).Does Not work with Mac OS X Lion or later.NOTE: There are three ways to unpair your Apple TV:(a). Use an original apple remote to unpair the Apple TV directly, Please visit apple support web or contact with us, thanks(b). If you can not get an original remote, you can try to unpair your Apple TV by your mobile, you can download the apple TV remote Apps to make it. Learn how to download the App and contact with your apple TV, Please visit apple support web or contact with us, thanksOnce you can control the Apple TV with your Cell App, please go to"Settings" -- "General" -- "Remotes", then you can see the option for pair/unpair function,please unpair the apple TV, then try the replacement remote again.(c). Or you can unpair your Apple TV by restoring it through iTunes with your computer. Please visit apple support web or contact with us, thanksIf you have any problem with the item, Please feel free to contact met,we promise to help you to solve it.