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