After numerous user reports of freezing issues in iMacs running OS X Lion, Apple responded with its iMac Graphic FW Update 3.0 to address this problem. The update weighs in small at only 482KB and requires a user to be running OS X Lion. You can read more about it, as well as download it, from Apple’s support document, or from Software Update instead if you’d prefer.
Along with this update, Apple also released a small update for Boot Camp on Windows 7, bringing it up to version 3.3. The download weighs in a little heavier at 200MB and brings critical bug fixes and hardware support with it. You can also read more about this update and download it via Apple’s support document.
Via [9to5 Mac]