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ERROR CODE from HARDWARE TEST (iMAC)

I did apple hardware test and I get this Error code: 4MEM/62/40000000: 0x88688f98

Can somebody tell me whats the problem? Is it RAM or what?


Thanks for your answer :)


iMac 21,5 mid 2011

os High Sierra

i5 2,5 ghz

8gb RAM (1x4gb + 2x2gb)

Posted on Jan 6, 2019 2:51 AM

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Posted on Jan 6, 2019 3:22 AM

It is a ram error, you have a failing, incompatible or loose ram module. Try removing and reseating the ram modules.

Remove the third party ram and retest.

What caused you to run AHT?

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ERROR CODE from HARDWARE TEST (iMAC)

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