Apple today released MacBook Pro Graphics Firmware Update 1.0 for all users of the new unibody 17" MacBook Pro released in January.
Apple's support document provides instructions on how to install the update and determine whether it successfully installs. The download weighs in at 770 KB.This firmware update is recommended for all 17-inch MacBook Pro (Early 2009) users and addresses the appearance of vertical lines or distorted graphics on the notebook display.
Numerous users have reported in Apple's discussion forums and elsewhere problems with lines and distortion on the new models, and this update appears to be intended to address these issues.
Article Link: Apple Releases Graphics Firmware Update for 17" Unibody MacBook Pro