

Apple yesterday released Thunderbolt Software Update 1.1 for Snow Leopard, bringing a fix for intermittent black screen issues.
The update weighs in at 53.23 MB and requires Mac OS X 10.6.8 and the original Thunderbolt Software Update released two months ago.This update addresses an issue that causes some users of the Apple Thunderbolt Display to experience intermittent black screens. It also includes stability improvements for Thunderbolt devices.
Article Link: Apple Releases Thunderbolt Software Update for Snow Leopard