draskostar Posted July 20, 2021 Author Share Posted July 20, 2021 I updated to 11.4 and off course right away I lost brightness control but after I enter above mentioned patch brightness control apears. Only down side is that it is not completely functional (there is always something no matter what). When moving slider from right to the left screen doesn't dim until the slider passes halfway. Can this be fixed? Thank you in advance! Link to comment Share on other sites More sharing options...
draskostar Posted August 29, 2021 Author Share Posted August 29, 2021 all I had to do was to apply Haswell patch for brightness (using Maciasl) and voila brightness now works perfectly -> solved 1 Link to comment Share on other sites More sharing options...
nvmnghia Posted December 7, 2021 Share Posted December 7, 2021 @draskostar Does this patch work without those ACPIBacklight.kext Rehabman mentioned in the comments? Edit: I can't apply the patch, it says "3 Patches, 0 Changes, 0 Rejects". Furthermore, I can't find any "PNLF" in my DSDT.dsl. Any idea? Thanks in advance! Link to comment Share on other sites More sharing options...
draskostar Posted January 31, 2022 Author Share Posted January 31, 2022 @nvmnghiayes it works without mention patch. I can share with you my EFI. In my case everything works except wake up from sleep (when only battery supply is used). When PC is connected to power supply adapter then wake up from sleep works. My EFI: https://drive.google.com/file/d/14wxJr3RqKJCIykYM6yTH1EwpaqnQ6pEi/view?usp=sharing 1 Link to comment Share on other sites More sharing options...
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