Can’t boot into safe mode

My computer is a mid-2012 MacBook Pro and won’t reboot into safe mode. The slide bar with apple logo sticks about 3/4 the way through, the screen dims slightly and it hangs there. End of story.

MacBook Pro, iOS 11.2.5, SSD drive added later

Posted on Feb 9, 2018 6:48 AM

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Posted on Feb 9, 2018 6:49 AM

Try an SMC reset:

How to reset the System Management Controller (SMC) on your Mac - Apple Support

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Can’t boot into safe mode

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