Apple has released iMac Graphic FW Update 3.0 to address an issue Lion hanging issues.
This firmware update fixes a graphics issue that may cause an iMac to hang under certain conditions.
Do not shut off the power on your iMac during this update. Loss of power could result in your iMac failing to start up.
Did you have an issue with your iMac? Did this update fix it?
To install the update click the Apple logo then choose Software Update.
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