"Since updating, the F3, F4, and F5 keys no longer work for controlling volume. They do adjust something, as the white volume control meter pops up and adjusts up and down - it just doesn't affect the ...
If you connect a Mac to an external monitor using HDMI or DisplayPort, you’ll often lose the volume controls on your keyboard. Depending on how you use your Mac, this can be kind of annoying. Here’s a ...