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Deleted some LaunchDaemons files and now Mac doesn't start

2309 Views 21 Replies Latest reply: Mar 20, 2014 8:57 AM by Venetian77 RSS
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ella_m Calculating status...
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Jan 24, 2013 2:03 PM

Hi all,


i really hope someone can help.


I accidentally deleted the LaunchDaemons folder on my little brother's mac and now on startup cannot get passed the grey screen with the apple logo.

I've tried booting in Safe Mode but didn't work, then tried resetting the NVRAM/PRAM, and also tried a starting the laptop in single-user mode to reach the command line to use the /sbin/fsck -fy command line (as adviced in, but nothing of all this worked.


Is there a way to put the .plist files i deleted back on the HD without having to re-install the whole system?


I'd very much appreciate some help as i don't know what to do anymore ;(


thank you

MacBook, Mac OS X (10.6.8)
  • Kappy Level 10 Level 10 (221,025 points)

    You will have to reinstall OS X.


    Reinstall OS X without erasing the drive


    Do the following:


    1. Repair the Hard Drive and Permissions


    Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.


    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.


    2. Reinstall Snow Leopard


    If the drive is OK then quit DU and return to the installer.  Proceed with reinstalling OS X.  Note that the Snow Leopard installer will not erase your drive or disturb your files.  After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.


    Download and install the Combo Updater for the version you prefer from

  • Kappy Level 10 Level 10 (221,025 points)

    Nope. Reinstall is the only way. Reinstalling as outlined doesn't create another user nor take up more space. It does require about 10 GBs of free space during installation.

  • Kappy Level 10 Level 10 (221,025 points)

    Start up the computer with the DVD inserted as far as it will go without forcing it. After the startup chime press and hold down the 'C' key which will cause the computer to "suck" in the DVD and begin booting from it.


    Or you can boot the computer as above and hold down the 'C' key then insert the DVD into the slot.


    In either case the DVD should end up in the optical drive. If it doesn't boot from the DVD, then restart and hold down the 'C' key after you hear the chime.

  • Kappy Level 10 Level 10 (221,025 points)

    Macintosh HD is usually the OS X boot volume, so choose that one.

  • Kappy Level 10 Level 10 (221,025 points)

    Nothing in my procedure would have erased the hard drive. How do you know everything is gone? Did you get OS X reinstalled? Are you sure you did not erase the drive on your own?

  • Kappy Level 10 Level 10 (221,025 points)

    Open the Accounts preferences. How many user accounts are listed other than the Guest account? If there are two listed, then log out of the current account and log into the other account. There you should find everything.

  • Kappy Level 10 Level 10 (221,025 points)

    Do you have a Home folder with your Documents, Downloads, etc. folders? Are you files there? If you click on the Desktop then select Finder Preferences from the Finder menu, then check the boxes for devices you want displayed on the Desktop. Is that what you think you are missing?

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