Before you assume your hardware is broken, there is a 90% chance the issue is software-related:
Microsoft occasionally pushes generic HID keyboard drivers that overwrite ASUS’s proprietary one.
Once you have successfully completed the ASUS keyboard backlight driver download, protect your setup: asus keyboard backlight driver download
A: Some VivoBook and entry-level models have the backlight controller built into the embedded controller firmware. In that case, you need to download "ASUS System Control Interface V2" or update your BIOS , not a separate driver.
Look for these :
: Enter your specific laptop model name (e.g., ROG Zephyrus G14, Zenbook UX425).
Choose your Windows version (e.g., Windows 11, 10 – 64-bit). Backlight drivers are rarely available for Linux or macOS. Before you assume your hardware is broken, there
Before you start searching for a file named "backlight.exe," it is important to understand how ASUS manages keyboard lighting.