← All Kali Issues
Kali Linux
Display brightness control
H Hardware
Low
🔴 Error Message
Cannot adjust screen brightness on laptop
📖 What This Means
Backlight driver not loaded.
🔧 Step-by-Step Fix
- Check: ls /sys/class/backlight/
- Set: echo 50 > /sys/class/backlight/*/brightness
- Install: apt install xbacklight