Can't change the "When a new external device is detected:" setting

R

RobertL11

Junior Member
In Preference > Devices, I can't change the "When a new external device is detected:" setting. If I select "Connect it to my Mac", the setting change briefly and then switch back to "Ask me what to do".

I can change other settings.
 
RobertL11 said:
In Preference > Devices, I can't change the "When a new external device is detected:" setting. If I select "Connect it to my Mac", the setting change briefly and then switch back to "Ask me what to do".

I can change other settings.
Click to expand...
Did you click on the "lock" icon after making any changes? If not-> please try to do it and let us know the results.
 
I tries it without success... I changed the "Download update automatically" setting and then lock/unlocked the settings. I also noticed that when I unlock the settings, the setting window disappear. In fact, it goes behind all open windows. Also, I can't change the Advance settings. They only change briefly.

Thanks!
 
After closing Parallels Desktop, I tried to delete all com.parallels plist from /Library/Preferences and the /Library/Preferences/Parallels directory. This didn't fixed the problem.
 
RobertL11 said:
After closing Parallels Desktop, I tried to delete all com.parallels plist from /Library/Preferences and the /Library/Preferences/Parallels directory. This didn't fixed the problem.
Click to expand...
Hi RobertL11, you can simply open Terminal application from Finder -> Applications -> Utilities and copy/paste there: sudo rm -rf /Library/Preferences/Parallels
Restart Parallels Desktop application. It will create new default preferences lists and new .parallels-vm-directory file on the base of these lists.
 
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