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Criglet
Newbie

Could not connect to Roku Ultra

My MacBook Pro will not mirror with Roku Ultra anymore since upgrading to Sequoia.  Have restarted both devices, checked on same network.  Still get same message that my MacBook will not connect to Roku.  When I select to mirror the MacBook appears to try to connect (blinks off/on) but Roku screen goes black.  After about a minute a small screen appears on the MacBook with message "Could not connect to "Roku Ultra".   I have another MacBook on same OS and it mirrors fine.

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AvsGunnar
Community Streaming Expert

Re: Could not connect to Roku Ultra

@Criglet 

Not a MacBook owner but seeing some instances online where the IMac firewall may be a culprit.

Try turning it Off. (System Setting/Network/Firewall/[Off])

If still having issues, try performing the test of using an ethernet connection with the firewall still set to Off and see if able to connect. (If so, then you need to start looking into both your MacBooks and see if you can spot any difference in the available settings that may be contributing).

Most complaints similar/mirror this https://discussions.apple.com/thread/255885211?sortBy=rank

Would also go into the Roku Ultra and go to Settings/System/Advanced System Settings/Control by Mobile Apps/Network Access and change to [Enabled or Permissive].  

The [Permissive] setting should be a bit more conservative setting than the [Enabled] if their descriptions/behavior is accurate.

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Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, 4802, 4850, Premiere+ 3921, Express 4k+ 3941, Streambar 9102

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