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Display difficulties

I use a late 2014 Mac Mini. I connect it to Dell FHD display with 60 hz refresh rate. My son accessed the system preferences and changed the display settings and now the display is not working with my Mac. The display doesn’t have any external buttons for the settings though.

Mac mini, macOS 12.6

Posted on May 19, 2023 6:32 PM

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Question marked as Top-ranking reply

Posted on May 19, 2023 6:42 PM

Reset the Mac mini’s NVRAM.

see > Reset NVRAM on your Mac - Apple Support

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Display difficulties

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