To disable the Fn key is to reclaim a small piece of keyboard sovereignty. It says: I know what these keys do. I want the raw signal. I will manage the extra layer myself.
The good news: you can fight back. The method varies by hardware, but the goal is the same—to flip the default behavior so that pressing "F1" sends F1 , and you hold Fn to change volume. function keys without fn
If your hardware lacks a toggle, you can sometimes force the change through software, though this is heavily dependent on the brand of your laptop. To disable the Fn key is to reclaim