Memory doesn't work

Discussion in 'MacBook' started by PTVEGAS, Sep 26, 2014.

  1. PTVEGAS macrumors newbie

    Sep 25, 2014
    I have a MacBook, 2008 vintage, black one.. It has a single 2gig chip in it, and I was trying to add another 2 gig. I purchased one for the MacBook online and put it in, and got the memory beeps at startup.
    I switched them around, still got the beeps. I then tried the single new one on it's own and it works fine.
    I called the memory store and they double checked the memory and it is the correct one. I had them send me a replacement just in case, tried that and same issue. Then, I tried the two new ones together and still no good. BUT each one boots fine on it's own, but will not under any combination boot up..
    I called Apple support and they were stymied too. Did not know why as they said that MacBook really takes most memory with no issues..
    Any Ideas out there?????
    Thanks :(
  2. logana macrumors 65816


    Feb 4, 2006
    Have you tried the old 2GB chip in both of the memory slots ?

    May be a faulty memory slot (not uncommon) and may explain why it has a single 2GB chip in it !
  3. MCAsan macrumors 601


    Jul 9, 2012
  4. Altemose macrumors G3


    Mar 26, 2013
    Elkton, Maryland
    It is possible that a firmware update is out on this machine which resolves this sort of issue. Double check Software Update.

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