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Precision M6800: loss of brightness control after Big Sur update to 11.3


draskostar

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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!

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Screenshot 2021-07-20 at 22.44.30.png

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