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
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What monitor and how is it connected to your iMac?
A few things to try,
- Restart the iMac
- Unplug/replug the monitor.
- Try a different port on the iMac.
- Try a different different adapter and cable.
- By pass any hubs or docks if you are using either.