Mac mini only boots after reset of PRAM

My mac mini keeps loading when starting up. Only when clearing the PRAM (by using the CMD + Option + P + R keys), it starts up normally.

I have already repaired the HD, then even erased the entire HD and re-installed the MacOS (through the recovery mode), but even after that the mac mini only starts up normally after reset of the PRAM.

Does anyone know what could be the problem?

Mac mini, macOS Mojave (10.14.1)

Posted on Dec 4, 2018 3:07 PM

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4 replies

Dec 4, 2018 3:37 PM in response to lllaass

It’s the Mac mini 2014 model, with original HD.

When I power on the Mac, it gets to the apple logo with the status bar. The status bar fills, but then gets stuck and never progresses any further. I then need to power off the Mac, start it again and use cmd + option + p + r to reset the pram. It then starts up without any issues...


Any idea what it could be?

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Mac mini only boots after reset of PRAM

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