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mca

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    iMac 2017 MCA Error - replace i7?

    Hello guys, I have an iMac (Retina 5K, 27-inch, 2017) with an i5 processor. I keep facing random reboots and reboot loops, that once I boot up end up in the error listed below. I keep working around this issue by setting nvram boot params to cpu=2, which disables 3th and 4th cpu core and that...