I upgraded yesterday to version 10.1.4 (28883). Now FN+F11 and FN+F12 don't work anymore. FN+F1 to FN+F4 work. And yes I have the 'Use all F1, F2 ...' checkbox selected. Any idea on how to fix it? Thanks System Version: OS X 10.9.5 (13F34) Kernel Version: Darwin 13.4.0
False alarm. I unplugged the keyboard and plugged it back in into the Thunderbolt display and now it works. Can an admin please delete this thread? Thanks