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I set my iMac display brightness to about 70% in Preferences. But each morning when it wakes up from sleep, it's set on max, and I have to turn it down on the keyboard. I've also unchecked "Automatically adjust brightness."
Any idea what's going on?
iMac 21.5", macOS 10.14
Try resetting the NVRAM Reset NVRAM or PRAM on your Mac - Apple Support
Try resetting the NVRAM Reset NVRAM or PRAM on your Mac - Apple Support
iMac display increases brightness after sleep
