Most Mac keyboards include dedicated keys to control the backlight intensity of the keys.
I can then give you the exact remapping steps or terminal commands to fix it. mac keyboard brightness shortcut
On most modern Mac keyboards, it’s as simple as (decrease brightness) and F7 (increase brightness) — often paired with a little sunburst icon on the key. On Touch Bar models, it’s a slider. On external Apple keyboards (like the Magic Keyboard), it’s mapped similarly. But here’s where it gets fun: Apple knows you want speed, so they also baked in a system-level tweak. Most Mac keyboards include dedicated keys to control