iMAC BRICKED AFTER 10.10.2 UPDATE

Discussion in 'OS X Yosemite (10.10)' started by porky2017, Feb 4, 2015.

  1. porky2017 macrumors member

    porky2017

    Joined:
    Aug 15, 2011
    Location:
    Australia
    #1
    AFTER software update my imac rebooted & this white circle with a white line through the middle appeared & it wouldnt go any further. i dont know whats going on, i am not happy
    should i just erase & install a fresh copy of yosemite, can someone please help me.

    thanx in advance Paul..
     
  2. BasicGreatGuy Contributor

    BasicGreatGuy

    Joined:
    Sep 21, 2012
    Location:
    In the middle of several books.
  3. porky2017 thread starter macrumors member

    porky2017

    Joined:
    Aug 15, 2011
    Location:
    Australia
    #3
    yes i do, i put a SSD INTO MY 2011 IMAC,
     
  4. simonsi macrumors 601

    simonsi

    Joined:
    Jan 3, 2014
    Location:
    Auckland
    #4
    Trim enabler under Yosemite causes this. To run Trim Enabler it disables kext signing, a security feature introduced with Yosemite. search on here for the fix, I opted to not run Trim Enabler and haven't seen any impact at all so far (but sorry I don't have the fix to hand).
     
  5. BasicGreatGuy Contributor

    BasicGreatGuy

    Joined:
    Sep 21, 2012
    Location:
    In the middle of several books.
    #5
    Make sure you turn off Trim Enabler before resetting SMC, PRAM, or doing system updates. Otherwise, you will get the stop sign screen.

    The following link will tell you how to recover from the stop screen.
     
  6. porky2017 thread starter macrumors member

    porky2017

    Joined:
    Aug 15, 2011
    Location:
    Australia
    #6
    Thanx for your help guys i really appreciate it..
     

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