Macbook memory upgrade won't load after 4GB but still under 3GB

Discussion in 'MacBook' started by AaronG81, Jul 9, 2010.

  1. AaronG81 macrumors newbie

    Joined:
    Jul 9, 2010
    #1
    Black Macbook 2.4 with 2GB. Trying to upgrade to 4GB but won't start after install. Front light comes on but that is it. Pulled one of the new 2gb and replaced it with one of the old 1GB and it loads fine. Swapped new 2gb with new 2gb and it still works but not when installed together. Any tips?
     
  2. Matthew Yohe macrumors 68020

    Joined:
    Oct 12, 2006
    #2
    Install the RAM that works, open up System Profiler, look at the RAM type/speed.

    Shutdown, install the other RAM that works by itself, and look at the system profiler.

    I assume speeds will be different?
     
  3. AaronG81 thread starter macrumors newbie

    Joined:
    Jul 9, 2010
    #3

    Won't load on a single 2GB. Has to have a 1GB with it. But I tried with each 2GB's and they are the same.

    memory- 3GB
    bus speed- 800mhz
     

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  4. Matthew Yohe macrumors 68020

    Joined:
    Oct 12, 2006
    #4
    Bus Speed means nothing.

    You need to click on the left side there where it says "Memory"
     
  5. AaronG81 thread starter macrumors newbie

    Joined:
    Jul 9, 2010
    #5
    How's that?
     

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