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When connecting my MacBook Pro to an external monitor or projector, it wont let me mirror displays. When I check the 'mirror displays' box it immediately switches back to extended display. This happens on every external monitor/projector I have tried. MacBook Pro 13" retina 2017 (4 Thunderbolt 3/USB-C ports). Currently on OSX 10.15, was the same on 10.14.
MacBook Pro Retina
Dragons35 Said:
"Can't mirror MacBook Pro: When connecting my MacBook Pro to an external monitor or projector, it wont let me mirror displays. When I check the 'mirror displays' box it immediately switches back to extended display. This happens on every external monitor/projector I have tried.[...]"
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Some Thoughts:
Works fine for me on my 2017 MBP. So, restart your Mac with this plugged in. The adapter I use: USB-C Digital AV Multiport Adapter - Apple Support
Some Sites to Visit:
Dragons35 Said:
"Can't mirror MacBook Pro: When connecting my MacBook Pro to an external monitor or projector, it wont let me mirror displays. When I check the 'mirror displays' box it immediately switches back to extended display. This happens on every external monitor/projector I have tried.[...]"
-------
Some Thoughts:
Works fine for me on my 2017 MBP. So, restart your Mac with this plugged in. The adapter I use: USB-C Digital AV Multiport Adapter - Apple Support
Some Sites to Visit:
Can't mirror MacBook Pro
