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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

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User profile for user: den.thed
den.thed
User level: Level 10
82,420 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.
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After upgrading to Monterey, 2nd monitor won't work. Any suggestions?

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