screen brightness non functioning 2013 MacbookPro 15"

KevinTage

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Hello Everyone,
Brandnewbie here, i just have my MacbookPro 2013 Linux installed LinuxMint22 Cinnamon, everything working great, excepting screen brightness non functioning, i only can adjust it up and down normally, but the brightness no effects...help please
 

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While we wait for other Mac hardware users to pop around, I remember the early days with my framework that they were providing additional kernel parameters for the brightness control keys to work.

Have you checked in Mint forums whether they advise to use additional kernel parameters or anything else? Depending on what Mint you use (regular or Debian edition), you may want to check Ubuntu and Debian resources as well.
 


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