Here’s a clean, informative piece you can use for a help document, blog post, or user guide.
No Fn key is needed unless you’ve changed your keyboard settings. If your F-keys are set to standard function commands, hold Fn + F1 or Fn + F2 . brightness keyboard shortcut
Comprehensive Guide to Screen Brightness Keyboard Shortcuts Keyboard shortcuts are the fastest way to adjust screen brightness to match your environment, helping to reduce eye strain and conserve battery life. While keys vary by manufacturer, most systems follow a predictable set of combinations. Windows Laptops Here’s a clean, informative piece you can use
If you are interested in the history of the shortcut, you might look into the history of the and F-keys . On most Windows laptops, brightness controls are located
On most Windows laptops, brightness controls are located on the (F1–F12). Look for icons that look like a sun ☀️—one for increasing brightness, one for decreasing it.