Universal control doesn't work on two MacBooks

So, I have two the same MacBook Pro Retina 16, 2019

1) Ventura 13.4.1

2) Ventura 13.4


At the beginning universal control worked bad, now it's not working at all.


I did all that I found in the official website, but still have the problem.


Please, provide some solution.


MacBook Pro 16″, macOS 13.4

Posted on Jun 29, 2023 2:13 AM

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Question marked as Top-ranking reply

Posted on Jun 29, 2023 2:36 AM

Suggest the User start with Points 1 to 4 and then Test


Still having issues, move onto Steps 5 and 6 and Test Again


Still no resolve - move onto Step 7 and follow instructions therein 


1 - Restart in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal.


2 - Safe Mode will also eliminate Third Party Software, extensions and drivers from loading. It will only load the Minimum amount of Core Apple Processes to allow the the computer to function at a reduced Level of Performance 


3 - Does the issue present in this mode ?


4 - Sometimes a Safe Boot followed by a Normal Boot will just put things right.


5 - If not - there could be something in the main User Account playing up. To further isolate this - Set up users, guests, and groups on Mac. Then log out of the Main User account and log into the dummy account and test again if the issue persists.


6 - If the issue is present in the dummy account - then, this appears to be a System Wide issue on the computer.


7 - Download the Application Etrecheck directly from the Developer.


This is a Diagnostic Tool that makes no changes to the computer.


It makes a coherent and readable inventory of both the Hardware and Software used on the computer 


The application is free or paid from added features. 


The Report will Not Reveal Any Personal Information. 


Post back the Full Report - copy and paste - >>>> using the Additional Text Icon ( 3rd Icon to last ) <<<<


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8 replies
Question marked as Top-ranking reply

Jun 29, 2023 2:36 AM in response to don_krasnov

Suggest the User start with Points 1 to 4 and then Test


Still having issues, move onto Steps 5 and 6 and Test Again


Still no resolve - move onto Step 7 and follow instructions therein 


1 - Restart in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal.


2 - Safe Mode will also eliminate Third Party Software, extensions and drivers from loading. It will only load the Minimum amount of Core Apple Processes to allow the the computer to function at a reduced Level of Performance 


3 - Does the issue present in this mode ?


4 - Sometimes a Safe Boot followed by a Normal Boot will just put things right.


5 - If not - there could be something in the main User Account playing up. To further isolate this - Set up users, guests, and groups on Mac. Then log out of the Main User account and log into the dummy account and test again if the issue persists.


6 - If the issue is present in the dummy account - then, this appears to be a System Wide issue on the computer.


7 - Download the Application Etrecheck directly from the Developer.


This is a Diagnostic Tool that makes no changes to the computer.


It makes a coherent and readable inventory of both the Hardware and Software used on the computer 


The application is free or paid from added features. 


The Report will Not Reveal Any Personal Information. 


Post back the Full Report - copy and paste - >>>> using the Additional Text Icon ( 3rd Icon to last ) <<<<


Jun 29, 2023 11:14 AM in response to Owl-53

I connected to another network and take iPad for problem testing. So, from the first Mac Universal control fine with iPad. But for the second one — Universal Control doesn't work neither Mac1-Mac2 nor Mac2-Mac1 nor Mac2-iPad.


This issue also present in safe mode.


Another account also don't solve the problem.


What relates to the Etrecheck — doest this is official utility?

Jun 29, 2023 3:25 PM in response to don_krasnov

don_krasnov wrote:

I connected to another network and take iPad for problem testing. So, from the first Mac Universal control fine with iPad. But for the second one — Universal Control doesn't work neither Mac1-Mac2 nor Mac2-Mac1 nor Mac2-iPad.

This issue also present in safe mode.

Another account also don't solve the problem.

What relates to the Etrecheck — doest this is official utility?

Not sure what is meant by Official ?


We have it on reliable sources that even Apple Support has used this Application from time to time when Troubling Shooting some users Apple Computers.


Arrive at your own conclusions


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Universal control doesn't work on two MacBooks

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