tosziro Posted November 13, 2020 Share Posted November 13, 2020 (edited) Hello, I have problem with my wifi after update from Catalina. :-( Previously I copied kext to Library/Extensions and did command belowand it worked. sudo spctl --master-disable sudo mount -uw / sudo killall Finder sudo chown -v -R root:wheel /System/Library/Extensions sudo touch /System/Library/Extensions sudo chmod -v -R 755 /Library/Extensions sudo chown -v -R root:wheel /Library/Extensions sudo touch /Library/Extensions sudo kextcache -i / But now it ends with this mount_apfs: volume could not be mounted: Permission denied mount: / failed with 66 Please help. Edited November 13, 2020 by tosziro Quote Link to comment Share on other sites More sharing options...
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