If you take a look at your laptop's keyboard, you'll notice that the top row keys have icons printed above, with "F" and a number, like F1, F2, and so on, below each one. These are known as function ...

TL;DR: Apple has updated the mute key on the MacBook Air M4 to feature a speaker symbol with a strikethrough line, replacing the previous design used since 1999. The latter had no strikethrough, and ...