capitanbelico Posted August 11, 2020 Share Posted August 11, 2020 hi everyone , I got work macOS Big Sur public beta, but wifi doesn't works. my card is AR9280 Atheros, so I could not use sudo mount -uw /, can anybody helpme with that? Quote Link to comment Share on other sites More sharing options...
revans Posted August 11, 2020 Share Posted August 11, 2020 1 hour ago, capitanbelico said: hi everyone , I got work macOS Big Sur public beta, but wifi doesn't works. my card is AR9280 Atheros, so I could not use sudo mount -uw /, can anybody helpme with that? Does the wifi works before in catalina? I think in big sur you should disable SIP on recovery mode the create snapshot to get sudo mount -uw / works. @MaLd0n ever told about it Quote HP Probook 430 G6 | Core i5-8265u | Intel UHD 620 Link to comment Share on other sites More sharing options...
capitanbelico Posted August 12, 2020 Author Share Posted August 12, 2020 2 hours ago, revans said: Does the wifi works before in catalina? I think in big sur you should disable SIP on recovery mode the create snapshot to get sudo mount -uw / works. @MaLd0n ever told about it Yes, it works on Catalina, Mojave, High Sierra, etc. in Big Sur I can't get it works because I could not get rights R/W on disk. Quote Link to comment Share on other sites More sharing options...
revans Posted August 12, 2020 Share Posted August 12, 2020 40 minutes ago, capitanbelico said: Yes, it works on Catalina, Mojave, High Sierra, etc. in Big Sur I can't get it works because I could not get rights R/W on disk. Found on site out there : Fixing APFS Snapshot Procedure Boot into the Big Sur installer USB or run Big Sur in recovery mode Open a terminal, type `csrutil disable` and reboot When back into the installer, run `diskutil list` to find the location of the "Macintosh HD" disk, such as disk2s5 Mount it using `diskutil mountDisk ` such as `diskutil mountDisk disk2s5` then run `mount -uw ` such as `mount -uw /Volumes/Macintosh\ HD/` to mount it as read write Run `/System/Library/Filesystems/apfs.fs/Contents/Resources/apfs_systemsnapshot -v -r “”` Then, to delete the snapshots on the disk, run `diskutil apfs listSnapshots ` and take note of each UUID of the snapshots Run `diskutil apfs deleteSnapshot -uuid ` for all snapshots on the disk. Verify that there are no more snapshots by running `diskutil apfs listSnapshots ` it should return "No Snapshots for disk" Reboot into the Big Sur desktop and make sure that running `sudo mount -uw /` returns no errors and that running `diskutil info /` returns a disk such as disk2s5 and not a snapshot such as disk2s5s1 Make sure in step 5. you re-type (") before enter in your terminal Quote HP Probook 430 G6 | Core i5-8265u | Intel UHD 620 Link to comment Share on other sites More sharing options...
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