I have an HP Envy Ultrabook 4-1130us and the F6, F7, and F8 buttons aren't working as command controls for music anymore. All my other F1-F12 buttons work except those three. This has happened before and I thought it was due to iTunes not being updated. I updated iTunes and the buttons still aren't working. I ran a diagnostic test on my keyboard and the test says that nothing is wrong-which is partially true because every other button except F6, F7, and F8 are working.
Any ideas of how to solve this?