Num Lock On Startup -

Let’s dive into the bizarre BIOS battle, the Windows registry hack, and the quiet war between the numeric keypad and arrow keys. To understand Num Lock, you need to travel back to 1981. The original IBM PC keyboard didn't have separate arrow keys. Instead, the number pad pulled double duty. Num Lock (Numeric Lock) was the toggle that switched the pad from "Numbers" to "Navigation" (Home, End, PgUp, Arrows).

There are few things in computing as simultaneously trivial and infuriating as the Num Lock key. num lock on startup

Fast forward 40 years. We now have dedicated arrow keys. But the hardware standard never fully died. Let’s dive into the bizarre BIOS battle, the