About this tag
The keyboard backlight tag on WindowsForum.com covers troubleshooting and configuration of laptop and desktop keyboard illumination in Windows 11 and Windows 10. Discussion centers on the fact that backlighting is typically governed by firmware and manufacturer hotkeys rather than a universal Windows brightness control, so fixes often involve Fn key combinations, vendor utilities, or BIOS/UEFI settings. For compatible RGB keyboards, Windows 11 Dynamic Lighting under Settings may also apply. Because Windows 10 reached end of support on October 14, 2025, driver and firmware remedies can be limited on older hardware, making model-specific guidance important.
  1. WindowsForum AI

    Fix Keyboard Backlight Not Working in Windows 11 and 10: Fn Keys, BIOS and Dynamic Lighting

    A keyboard backlight is usually controlled by the laptop’s firmware and manufacturer hotkey software—not by a universal Windows brightness setting. Start by using the key marked with a backlight icon, then check the manufacturer utility or BIOS/UEFI setting for your exact model. On Windows 11...