MacOS – MBP boot stuck at 100% loading screen

bootmacbook promacos

For a day now i can't boot my Mac El Capitan. It halts on this screen:

enter image description here

What I tried:

  • NVRAM reset
  • CommandR Disk Utility checked SSD, I can launch Terminal and browse the files on SSD
  • Reinstall OSX; reinstall finished, but when it restarted it gives same result as on pic above.
  • Apple Hardware Test app didn't find failure

Not sure if it's since an OSX software update. The loading bar goes fast as usual till ~70% then it slows down and goes to 100% in 2-3 minutes then nothing happens.

UPDATE: Verbose mode stuck at "pci pause: SDXC"

Any other fix to try? ty

Best Answer

The problem is unsupported .kext files and you need to remove them to get OS X to boot. Just moving them to a different directy will have the same effect but will allow you to copy them back. This article had the solution for me: OS X El Capitan 10.11.x Hanging on Boot

mount -rw /
cd /Volumes/Macintosh\ HD/Library/Extensions/
mkdir Unsupported
mv *.kext Unsupported
reboot

After solving that issue, I ended up with a black screen where I could only see my cursor. If that happens to you, try the solution found here: Black Screen But Can See My Cursor

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