After installing 3rd-party kexts in /Library/Extensions, or replacing vanilla kexts with patched kexts in System/Library/Extensions, you may want to repair their permissions and rebuild the kext cache to ensure they work as intented. Here's how.
Type each of the following commands (separately) in Terminal:
Repair permissions in /S/L/E (System/Library/Extensions) and /L/E (Library/Extensions) folders
Type each of the following commands (separately) in Terminal:
- sudo chmod -Rf 755 /S*/L*/E*
- sudo chmod -Rf 755 /L*/E*
- sudo chown -Rf 0:0 /S*/L*/E*
- sudo chown -Rf 0:0 /L*/E*
Rebuild Kext Cache
Type the following command in the Terminal:- sudo kextcache -i /
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