Late 2014 iMac 27” Not Recognizing Ram

Discussion in 'iMac' started by DookSucks, May 1, 2019.

  1. DookSucks macrumors member

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    NC
    #1
    I posted previously thinking it was a ram slot issue.

    I have swapped around the current ram and all slots work.

    I just can’t get it to recognize additional ram. When I install it, I get the beeps.

    What can I do?

    If specs are needed, it’s a late 2014, 27”, retina, 3.5 i5 quad core, 1tb fusion with 128gb ssd, and I’m running 10.14/Mojave
     
  2. redheeler macrumors 604

    redheeler

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  3. DookSucks thread starter macrumors member

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  4. redheeler macrumors 604

    redheeler

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    Oct 17, 2014
    #4
    That looks like the correct RAM. If you're already tried it in different slots and made sure the RAM is seated correctly, one of the sticks may just be bad. Defective RAM does happen, hence there is usually a return policy or warranty.

    It would be good idea to try and determine is which one is bad, simply by installing only one of the pair and seeing if it will boot. If it boots with one installed but not the other, definitely a bad stick.
     
  5. DookSucks thread starter macrumors member

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    #5
    I tried that and everything else imaginable. Also tried two compatible 4gb sticks. No dice there either. They wouldn’t work in any slot or alone.
     
  6. DookSucks thread starter macrumors member

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  7. DeltaMac macrumors G3

    DeltaMac

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    #7
    The error beeps (set of 3 beeps, repeating every 5 seconds) may mean that you have:
    Incorrect/incompatible RAM sticks (The OWC label appears correct), or
    The RAM sticks are simply faulty, or
    You still have a seating problem with the new sticks.
    Consider that you can try booting with single sticks (the memory does NOT have to be in pairs, just recommended for best performance. That can help you find out that only one stick is bad (and not both),
    Try testing with a single stick, moving through the slots one at a time.

    OWC tech support can be really helpful with your issue. Have you tried contacting their tech support?
     
  8. DookSucks thread starter macrumors member

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    #8
    I have tried using the sticks one per try, and I still received the error beeps
     
  9. DeltaMac macrumors G3

    DeltaMac

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    Location:
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    #9
    But, you said that the original RAM sticks ALWAYS work?

    If you are sure that you are seating the new sticks completely (you SHOULD normally hear and feel a quiet "click" when the stick is completely seated), then there's something wrong with that OWC memory. Contact OWC tech support. They may send another set out right away.
     
  10. DookSucks thread starter macrumors member

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    #10
    Yes. I am.

    In fact, I tried using another set of memory sticks in the same manner and attempted to slide them in pairs and the single into slots. Pushed until I had a click. Nothing
     
  11. mikehalloran macrumors 65816

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    Oct 14, 2018
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    #11
    If one is bad in most 27"s, the iMac will not recognize either.

    Call OWC support. Sometimes they will rush out a replacement pair, then let you return.

    Bas RAM happens, even from OWC. You are paying for their excellent warranty and support. Use it.
     

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10 May 1, 2019