macOS Sierra 10.12 black screen after boot - no cursor - no touch bar

Discussion in 'macOS Sierra (10.12)' started by super2, May 11, 2017.

  1. super2 macrumors newbie

    May 11, 2017
    Hi guys

    I have a MacBook Pro with touch bar running 10.12.0
    I've installed team viewer, use it for 10 minutes then uninstall it using the Clean My Mac app.

    After restart and loading bar finish to load I get a full back (dark blue) screen with no mouse cursor, no touch bar on, nothing.

    I have already tried resetting NVRAM, Safe Mode, Single Mode with
    1. /sbin/fsck -fy
    2. /sbin/mount -uw /
    3. rm -f /Library/Preferences/
    4. rm -f /var/db/.AppleUpgrade
    5. reboot
    The problem persist for me.
    Also I have bootcamp installed on the same drive which works fine and can also allow me to access the macOS partition for any possible fix if this is needed.

    What can I do other then reinstalling the OS? Do you have any work around in mind?
  2. Emedan macrumors newbie

    Dec 13, 2016
    Reinstalling the OS is not a bad thing at this point and doesn't hurt.

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