Dock disappearing, wallpaper flashing, mac lagging

Discussion in 'MacBook' started by techwizard10, Sep 14, 2013.

  1. techwizard10 macrumors newbie

    Sep 14, 2013
    When I booted my MacBook up today, I logged in and the dock disappeared. And the wallpaper started flashing. I don't know what caused this, so I went on the forums and tried terminal commands, and running Nothing worked. Cmd alt d didn't work either.
  2. pmau macrumors 65816

    Nov 9, 2010
    My guess is your filesystem needs repair or your harddrive is dying.

    External drives are really useful in these situations, because you need to be able to repair your drive without booting from it ...

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