

You may need to type in the admin password if the checkbox is dimmed. Click Apple menu > System Preferences > and then Date & Time select the Time Zone tab and the “Set date and time automatically” checkbox, if it is already selected, unselect and wait about 20 seconds and then reselect again. You may not be able to send or receive messages on Mac because of your date and time settings. If you do not have an Internet connection, Consider trying some basic Wi-Fi troubleshooting tips such as restarting your Mac, Router, Wi-Fi spot and much more. Try to load a page on Safari to check your Internet connection. Ensure that your Mac is connected to the Internet. Launch the Messages preferences window and select the Accounts tab (Messages > Preferences), select iMessage (left list), Ensure that the checkbox “Enable this account” is checked, if not checked, check the box. Re-enable the iMessage in the message preferences The click Sign out. Then open the Messages app and sign in with your Apple ID. Simply launch Messages, then select Messages and Preferences from the Menu bar. To restart your Mac, click the Apple menu and select Restart. If you cannot send or receive messages on your Mac, here is how you can fix it: 1. Cannot send or receive messages on Mac? Fix You can easily send and/or receive SMS text messages (normal text messages) and iMessages (Apple’s messaging service). Users have reported that when they attempt to send a message, they see a little red exclamation mark symbol next to my message, and they cannot resent it. In this article, I’ll explain exactly how you can troubleshoot this issue. A couple of users have stated that they are unable to send and /or receive text messages and iMessages on Mac.
