Missing dock and background flashing on Mavericks GM

Discussion in 'OS X Mavericks (10.9)' started by sdlyr8, Oct 4, 2013.

  1. macrumors newbie

    Joined:
    Dec 8, 2008
    #1
    I just installed the GM from Mountain Lion (no previous DPs). When it rebooted after the install, I had no dock. I rebooted and still no dock, but now the desktop background flashes with about 1 second intervals between my background and a solid light gray color. Rebooted a few more times and it's a toss up which I get. Has anyone seen this or have any ideas for a fix?

    Checking the Console, I see that the Dock app is crashing repeatedly when the background flashes. When the background stays like normal, there's nothing in the Console, however Dock shows up using 100% CPU. I created a new user account and I can log in fine with it, so it's something specific to my account I'm guessing. That's all I've been able to figure out so far on my own, and haven't found a single page on any forums of anyone seeing anything similar.

    Next time I install on my backup machine first, then my main one :/
     
  2. macrumors 601

    brand

    Joined:
    Oct 3, 2006
    Location:
    127.0.0.1
    #2
    Have you looked on the Developer forums to see if it is happening to anyone there? :rolleyes:
     
  3. macrumors 603

    Joined:
    Sep 19, 2003
    #3
    Is that :rolleyes: really necessary? :)rolleyes:).

    OP, it's good that the dock appears normal in another account, because that means it's probably not a problem with your installation. What software do you have on your computer? Any system utilities that might be causing a conflict?
     
  4. macrumors 601

    brand

    Joined:
    Oct 3, 2006
    Location:
    127.0.0.1
    #4
    I obviously felt it was or else I wouldn't have used it.
     
  5. macrumors member

    Joined:
    Dec 11, 2003
    Location:
    Charlotte, North Carolina
    #5
    open terminal and enter:

    #cd /Users/*YOUR USERNAME*/Library/Preferences/
    #rm -f com.apple.dock.*
    #killall Dock

    You'll lose your icon order, but it's the first thing I'd try. You could also just copy/rename the plist so it's non destructive.
     
  6. thread starter macrumors newbie

    Joined:
    Dec 8, 2008
    #6
    This was one of the first things I tried thinking it would help. I even went as far as removing all com.apple.* preferences in case it was something else, but I was still getting the same errors.

    I woke up this morning to start fiddling with it again, and it's suddenly showing up. I'm afraid to reboot now in case the problem comes back, but I'll reboot tonight just to be sure and report back what happens in case anyone else runs into this.
     
  7. macrumors newbie

    Joined:
    Oct 23, 2013
    #7
    Any news on this? I've just installed Mavericks and am having the exact same problems... :confused:
     
  8. macrumors newbie

    Joined:
    Oct 23, 2013
    #8
    Fixed!

    If anyone else has this problem and stumbles upon this post you just need to delete the system config files which are in user/library/preferences:

    Preferences/com.apple.spaces.plist
    Preferences/com.apple.desktop.plist
    Preferences/com.apple.dock.plist
    Preferences/com.apple.dock.db
    Preferences/ByHost/com.apple.screensaver.NUMBER.plist
    Preferences/ByHost/com.apple.dock.NUMBER.plist
     
  9. macrumors newbie

    Joined:
    Dec 30, 2013
    #9

    This worked! Thank you so much. I was freaking out.
     
  10. macrumors 6502

    joedec

    Joined:
    Jul 25, 2014
    Location:
    Cupertino
    #10
    Great post.
     
  11. macrumors member

    Joined:
    Jan 9, 2003
    #11
    same problem but brand new user also has it

    Any suggestion for why this suddenly would happen for all users?

    Created a brand new user and that has it too, even worse as there's nothing on the desktop. Same blink gray/background wave/gray/ at one second intervals, same dock crash.

    2011 Mini, latest Mavericks
     
  12. macrumors newbie

    Joined:
    Oct 26, 2014
    #12
    So, I know this is an older thread, but I was hoping someone might check in on it as I am experiencing the same issues on my white 13" Macbook (running 10.7), but with some added complications.

    All the fixes mentioned require either inputting lines into terminal or accessing folders to delete files, but I am unable to do either of those. At best, my screen displays the header bar and maybe my desktop, the pinwheel spins for a few moments, and then the blinking starts, and every thing except the background image goes away. I can not access anything. I've tried the PRM reset to no avail. When I try to boot in safe mode, the apple switches to a null symbol, and I'm dead in the water. Any suggestions would be most appreciated.
     
  13. expat42451, Oct 26, 2014
    Last edited: Oct 26, 2014

    macrumors regular

    Joined:
    Oct 25, 2013
    Location:
    where my backpack is
    #13

    Give this a try

    Boot into command prompt single user mode as here

    These key combinations must be pressed while powering on the machine (or while pressing the power button)

    S
    Command-S
    Boot into single user mode (command-line)

    from there, remove the files recommended by placidity in the post earlier in this thread using the rm command.

    Expat

    edit: You can find here
    http://i1.dk/misc/apple-boot/

    some useful key combos for boot. I noticed that one of the characters I tried to type after posting didn't show a character here on the forum so I decided to post this link to avoid confusion.
     
  14. macrumors newbie

    Joined:
    Oct 26, 2014
    #14
    Thanks for the input. Not sure I'm entering the command correctly in the single user mode, but when I enter in those file names, "No such file or directory" appears. Is there a precise format in which the file names and/or pathways must be entered with the rm command?
     
  15. macrumors regular

    Joined:
    Oct 25, 2013
    Location:
    where my backpack is
    #15
    Good question- did you follow the part indicated below i.e. /user/library/ ? you need to cd into /user/library and ls to see if they are there. Interestingly I used the locate command and did not find these files. Also my path seems different-mine are in Library/Preferences. There is a directory called /usr but it seems empty on this machine. Since most of the processes that use plist files rebuild them on startup I might consider were it my system, the idea of going in and deleting a bunch of files in /Library/Preferences. However I have a backup where I can restore my system and I am crazy enough to do this. We either need to fins someone else here that can suggest files to delete or you are going to have to do it at random. I would cd to /Library/Preferences and then ls to see whats there on your machine. Then you can use another machine and google the different plist files to try to determine what they do. Good practice of CLI and good chance to learn more about system architecture. Yep its tedious, understand. Hopefully someone else here will have another or better suggestion because I don't see the aforementioned files in my /Library/Preferences but others.

    Hope this helps

    Regards
    Expat
     
  16. macrumors newbie

    Joined:
    Oct 26, 2014
    #16
    Thanks so much for the great reply. I'll see why I can do with the cd, etc. Thanks again.

    Slàinte.
     
  17. macrumors newbie

    Joined:
    Oct 26, 2014
    #17
    So, I was able to locate most of the .plist files listed in the previous posting. However, I could not locate any.db files. Each of the afore mentioned .plist files had a corresponding plist.lockfile; is that the same as the .db file? Also, for the ByHost files, I had literally hundreds of each of the dock and screensaver files. Do I need to remove them all?
     
  18. macrumors regular

    Joined:
    Oct 25, 2013
    Location:
    where my backpack is
    #18
    I am sorry don't know the answer to this. Maybe someone else here will help[ us out??

    (bump)
     
  19. macrumors newbie

    Joined:
    Nov 9, 2014
    #19
    still happening

    Hi I tried deleting all the lines as you suggested except for preferences/com.apple.dock.db because I did not see it on my iMac. Please help the problem is still there. dock is not showing up and the screen flashes every second with black background.
     

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