

Apple today released MacBook Pro EFI Firmware Update 1.9, addressing an issue with system freezes and stalls on the company's latest 15-inch and 17-inch MacBook Pro models.
The update weighs in at 2.16 MB and requires Mac OS X 10.6.4.This update is recommended for all 15-inch and 17-inch MacBook Pro mid 2010 models. The update resolves a rare issue that may cause the system to freeze during startup or intermittently stall during operation, and it improves compatibility with external displays.
Article Link: Firmware Update Addresses Freezes on Mid-2010 15-Inch and 17-Inch MacBook Pros