RAM Upgrade Issue

Discussion in 'MacBook Pro' started by Glockron, Sep 7, 2012.

  1. Glockron macrumors member

    Joined:
    Jun 16, 2012
    #1
    Hello everyone.

    My friend and I just tried to upgrade the Ram on his 13" 2011 cMPB.

    Upon replacing the modules (they are compatible, 1333 mHz DDR3 from Crucial), when powering on, the system boots three times. The screen stays black.

    When we put in the old sticks, everything works fine.

    We were careful to de-static before working - but you never know.

    Is this a common issue? What do?
     
  2. Sital macrumors 68000

    Sital

    Joined:
    May 31, 2012
    Location:
    New England
    #2
    Call up wherever you ordered the RAM from and they will probably have you return it and send you a new set. If you are sure the RAM is compatible you shouldn't have this problem.
     
  3. Dark Void macrumors 68030

    Dark Void

    Joined:
    Jun 1, 2011
    Location:
    Cimmerian End
    #3
    They may be faulty RAM modules unfortunately.
     
  4. T5BRICK macrumors 604

    T5BRICK

    Joined:
    Aug 3, 2006
    Location:
    Oregon
    #4
    It happens sometimes. I'd start by trying to boot the computer with one stick of the new RAM and then the other. Just to see if one actually works and you happened to get a defective stick.
     

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