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Released June 2009 / 2.66, 2.8, or 3.06 GHz Core 2 Duo Processor

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Get a new motherboard?

My RAM is fine, but when it gets seated, very little time passes before the System decides I only have GB. Someone told me that I should replace my motherboard. Does this seem to be a probable solution?

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Can you clarify how much RAM you have and what the system reports.

As an example: you put in 8 GB of RAM but only 4 GB is seen.


That’s exactly it, Dan I have 8MB installed, but Apple System Profiler says 4MB I was told this means that I need a new motherboard. On a couple of occasions I re-placed the RAM, but after a few days it stops showing in the ASP


Ahhh, THAT is what ya call


My building-ham radio days were an entire lifetime ago (hopefully it’ll turn out to be half a lifetime...), so as always climbing inside an expensive kit like this is roughly equal to calling that girl back, in terror magnitudes; however, the old digits did remember the fine motor days of yore. Booting in 2, that’s more like it

Thanks again to you, and Props to the tool design crew at iFixit!


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So to clarify your RAM socket lock clips are worn or the socket it’s self is distorted. While a new logic board might help lets see if we can save you a few bucks here.

  • Sometimes wedging a piece of a credit card stock between the socket wall and the clip can force it more forward so the edge of the SO-DIMM is captured.
  • To deal with a distorted socket (the logic board has warped due to heat) try loosing the screws a 1/4 turn.

Update (12/03/2019)

@zalel - Here’s a better view on what’s needed:

Block Image

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Oh, that sounds appealing, I’ll give it a try. My iFixit kit will be Happy to get some attention, too.

Is this the article for me to reference? MacBook Pro 15" Unibody 2.53 GHz Mid 2009 RAM Replacement


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Nicky será eternamente grato(a).
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