User profile for user: chuck_3rd chuck_3rd User level: Community Specialist Mar 1, 2018 3:16 PM in response to afree1010 Hi afree1010! I understand that you're unable to use iMessage on your Mac, and I'm happy to help. You can use this article to help with troubleshooting: If you can‘t sign in to your iMessage account or FaceTime on your Mac Cheers! Show more Less Reply Link