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Mac Pro (Late 2013): Memory specifications

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Question: Memory not reading correctly in Mac Pro late 2013

I have a Mac Pro late 2013 running the lates Mac OS I have 4 16 gb memory modules installed but the system is saying 56 gb installed not 64 gb and the last module is showing 8 gb not 16 gb this happen before and I can remember how to fix it. Help

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Dec 15, 2017 9:14 AM in response to TonyWise In response to TonyWise

User Tip: Mac Pro and Error Correcting Code RAM Memory



Modules not seen, and modules seen as half their size have failed, and would need to be replaced.


Many Mac-centric vendors offer lifetime replacement warranty.

Dec 15, 2017 9:14 AM

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Dec 22, 2017 5:37 PM in response to TonyWise In response to TonyWise

This additional information , my memory modules did the same only when I upgraded the Operating system there was a fix to reset the memory data that holds the info on what was the correct total. This is not a bad memory module. I will need to reset the data that holds that data , and force the system to reread the data... help...

Dec 22, 2017 5:37 PM

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Question: Memory not reading correctly in Mac Pro late 2013