This update addresses an issue with MacBook Pro (mid 2012) and some Thunderbolt cables that may prevent bus-powered Thunderbolt devices from functioning properly.

What's New:

  • This update provides stability fixes for Thunderbolt and Target Disk Mode.
  • When your computer restarts a gray screen will appear with a status bar to indicate the progress of the update.
  • Do not disturb or shut off the power on your computer during this update. Note: Your computer must be plugged into AC power for the update to install.

System Requirements:

  • OS X Lion 10.8.3 and later

Supported Languages:

  • Deutsch
  • English
  • Français
  • 日本語
  • Español
  • Italiano
  • Nederlands
  • Dansk
  • Norsk Bokmål
  • Polski
  • Português
  • Português Brasileiro
  • Pусский
  • Suomi
  • Svensk
  • 简体中文
  • 繁體中文
  • 한국어