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

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What does this error code mean when I do a diagnostic on my MacBook

I did a Apple diagnostics hardware Test. And I get this Erro code. What does it mean our how do I look it up ? 4MEM/62/40000000: 0x827d4518

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That seems to be a RAM error, you can try swapping the modules positions or using it one by one to identify the faulty module or slot.

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