Thunderbolt Firmware Update 1.2: Keeps reappearing and Thunderbolt ports and Target Display Mode may not work
Products Affected
Mac mini (Mid 2011), Mac mini Server (Mid 2011), MacBook Air (11-inch, Mid 2011), MacBook Air (13-inch, Mid 2011), MacBook Pro (13-inch, Early 2011), MacBook Pro (13-inch, Late 2011), MacBook Pro (15-inch, Early 2011), MacBook Pro (15-inch, Late 2011), MacBook Pro (17-inch, Early 2011), MacBook Pro (17-inch, Late 2011), iMac (21.5-inch, Late 2011), iMac (21.5-inch, Mid 2011), iMac (27-inch, Mid 2011)