Model A1286. Released February 2011 / 2.0, 2.2, or 2.3 GHz Quad-core Intel Core i7 Processor

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Problems with Memory modules

I have been running 16gb DDR3 1600 in my system for a few years but about a month ago my system started to crash apple replaced my mother board do due a recall or something to that nature. but not with the new mother board installed i can no longer run my 16gb chips I sent them into kingston assuming the ram had failed, they sent me a new model under their warranty and was excited to see them work. my system does not except this new ram either. just beeps I'm sure its a possibility that these chips are faulty as well but then again what are the odds???

I was running

Kingston HyperX 1600MHz DDR3 PC3-12800 Non-ECC CL9 SODIMM 1.35V Notebook Memory (KHX16LS9P1K2/16) (2X8GB)

the replacement model is

Kingston HyperX Impact Black 1600MHz DDR3L CL9 SODIMM 1.35V Laptop Memory (HX316LS9IBK2/16) (2X8GB)

anyone else having a similar issue?

Answered! View the answer I have this problem too

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Can you give us the last four digits of your serial number so we can correctly identify your system.

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You said YOU had replaced the motherboard (what with)? What did you do and why would Apple replace it unless they thought it was the original board?

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@Mayer - This Q from someone else's.

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Something doesn't add up here. Can you take a snapshot of the About this Mac > More Info ... Overview tab which gives us the basics of your system.

I suspect they put in the wrong logic board so between the case serial number & the screen capture serial number and the specs we should be able to see if its correct.

The other possibility here which I find hard to believe that Apple wouldn't check is the systems firmware is old. Here is an Apple T/N to check and up date: About EFI and SMC firmware updates for Intel-based Mac computers. Double check to make sure its at the latest.

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