How to extract original kexts from OS X install image

If you accidentally delete or modify a kext this method will help you restore it. The easiest way is restore from TimeMachine backup. If you do not have any backup…

  1. Download the Mavericks image from App Store
  2. Install Pacifist from CharlesSoft
  3. Open with Pacifist: /Applications/Install OS X Mavericks.app/Contents/SharedSupport/OSInstall.mpkg
  4. Find and select Extensions folder: Contents of OSInstall.mpkg > Contents of EssentialSystemSoftware > Contents of EssentialSystemSoftwreGroup > Contents of BaseSystemBinaries.pkg > System > Library > Extensions
  5. Click Extract To… button in toolbar, and give the path where you want to store the backup of original extensions.

Jozsef

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