You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

User profile for user: stefeni113
stefeni113 Author
User level: Level 1
4 points

After upgrading to Monterey, 2nd monitor won't work. Any suggestions?

After upgrading to Monterey, 2nd monitor won't work. Any suggestions?

iMac 27″, macOS 12.3

Posted on Apr 23, 2022 12:40 PM

Reply
Question marked as Top-ranking reply
User profile for user: den.thed
den.thed
User level: Level 10
82,222 points

Posted on Apr 23, 2022 1:31 PM

What monitor and how is it connected to your iMac?


A few things to try,

  1. Restart the iMac
  2. Unplug/replug the monitor.
  3. Try a different port on the iMac.
  4. Try a different different adapter and cable.
  5. By pass any hubs or docks if you are using either.
View in context

Similar questions

1 reply

After upgrading to Monterey, 2nd monitor won't work. Any suggestions?

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.
Learn more Sign up