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Hi helper/reader,
I have a MBP Mid 2012 running macOS Catalina 10.15.2 . Recently, I was unable to change my brightness in any circumstance. Even I saw no slider in Display Preferences to change it manually. Someone please help me to change it.
Thanks,
Arnav8
MacBook Pro
Try an NVRAM reset:
Try an NVRAM reset:
MacBook Pro brightness not changing
