Sidecar not showing up

I have an early 2015 13.3 inch MBP (retina) running on version 10.15 beta (build 19A471t) and an 9.7 inch iPad pro (Model number MLMY2ZP/A) running 13.0 Beta. They are both logged into the same appleID


When I open my MBP's settings, I do not see the sidecar option. When I try to use spotlight, it says "You can't open "sidecar" preferences pane because it is not avaliable to you at this time. To see this preference pane, you may need to connect a device to your computer". This even happens when I physically connect my iPad to my laptop via a lightning-USB A cable.


Am I doing something wrong? Is it limited to newer macs that have a specialised encoder? If so, is there a hardware workaround this issue?


Thanks

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https://www.macrumors.com/2019/06/06/macos-catalina-sidecar-limited-to-newer-macs/

Posted by
JonSF
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As of now it appears sidecar is only working on 2016+ MBP. Hopefully this changes.

Posted by
hammershot
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See the article on MacRumors...


As it turns out, Sidecar is limited to many of Apple's newer Macs, and the devices listed below will be able to use it.


[*]Late 2015 27" iMac or newer

[*]2017 iMac Pro

[*]Mid 2016 MacBook Pro or newer

[*]Late 2018 Mac mini or newer

[*]Late 2018 MacBook Air or newer

[*]Early 2016 MacBook or newer

[*]2019 Mac Pro


It's not clear if this is a complete list, but Troughton-Smith says a long list of older machines are blacklisted from taking advantage of the feature. Some older Macs that are not greenlit for Sidecar can still use the feature via the Terminal command provided by Troughton-Smith, but there's no complete list on exactly which older Macs the Terminal command works with.

Posted by
JonSF
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Do you know the specific command?

Posted by
SKSKSK221
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This should do it:


defaults write http://com.apple.sidecar.display allowAllDevices -bool YES


Note that you may need to restart your Mac after making the change.


There's additional information for getting Sidecar working on older Macs in this thread: https://forums.developer.apple.com/thread/117180

Posted by
jasonhawkins
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I can tell you for sure it doesn't work with the iMac Pro.

Posted by
MobileTen
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Log out and relogin again will do the trick as well.

Posted by
EagerBeagle
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I've followed your instructions, the Airplay menu does show up in MacOS. However, I am still unable to connect as it keeps timing out.

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SKSKSK221
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