LED Cinema Display iSight Firmware Update 1.0
This firmware update corrects an issue with the built-in iSight camera on the LED Cinema Display where the camera may not be recognized by applications.
To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/LED Cinema Display iSight Camera Firmware Update.app).
For more information about this update, please see: http://support.apple.com/kb/HT3957
For additional information, please visit: OS X Mountain Lion: Firmware updates may keep reappearing in the Mac App Store.