Just click on the Apple menu and select “System Preferences.” Go to “iCloud” settings and check the Apple ID that you’re using. Hence, you have to check if you configured the correct Apple ID on your Mac. In order to use iMessage, you should have an Apple ID, which is equivalent to iCloud for Mac. Enable your Apple ID or iCloud in your Mac.After restarting, open your iMessage app and try sending a message again. Just click on the Apple menu, which is represented by the Apple logo, located on the top left corner of your Mac screen. Sometimes, your Mac just needs a refresh for some of its apps like iMessage to work seamlessly again. You can also test your internet connection by opening and browsing the web. Before you panic that iMessage is not working on your Mac, check to see if you’ve already connected to the internet. An active internet connection, whether that’s Wi-Fi or mobile data, is needed in order to use iMessage. While regular text messages only require a cellular network, iMessage requires your device to have an internet connection for it to work. If you do encounter any of these issues, here are some ways to fix this problem:

These include messages not sending through or taking too long to get delivered. While it usually works fine in any of these devices, there are times when you might encounter iMessage issues using MacOS. It’s basically a messaging app designed by Apple that can be used in iPhones, iPads, and Macs. One of the most unique features of Apple products is iMessage.

Why is messages on mac not working