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No dock/transparent dock after fast user switching

I've noticed an issue with Mountain Lion - I have 2 user accounts set up and when you Fast Switch between them the dock is missing/transparent (the icons are still showing) - I've attached an image to show exactly what the problem is... is anyone else experiencing this or does anyone know how to fix?? - it appears to be more aesthetics than anything else - and a logout and back in again fixes it... although that kind of defeats that point of Fast User Switching! LOL!


User uploaded file

iMac (27-inch Mid 2010), OS X Mountain Lion, 3.2 GHz Intel i3 /12 GB / ATI 5670

Posted on Jul 27, 2012 12:10 PM

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32 replies

Mar 8, 2013 1:01 PM in response to peggert

Hi there, found the same issue on our iMac - late 2010 running ML 10.8.2.


killall Dock and/or removing the plist file removed this issue at least temporarily for me as well.


My 2cents: I made a backup of the plist and then ran killall Dock. Then I used Plist Edit Pro to open the original backed-up plist file and the new one just generated by the system. In the new file I deleted the two keys "persistent apps" and "persistent others" and drag-and-dropped the same two keys from the back-up plist into the new one. With killall Dock you restart your Dock again and voilà all your apps are back in place on the Dock.


Plist Edit Pro can be used without purchasing it for some time. After that you get some delaying welcome screen. Alternatively, you can use "Text Wrangler" or the Xcode editor, both are completely free.

No dock/transparent dock after fast user switching

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