Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Struggling with external monitor brightness not working on Ubuntu 26.04 LTS? You’re not alone. After setting up a dual boot with Windows 11 and Ubuntu 26.04, I faced the same frustrating issue where brightness controls simply didn’t work on my external display.

In this video, I’ll show you a step-by-step fix using DDC/CI, including both terminal and GUI methods, so you can finally control your monitor brightness directly from Ubuntu.

Watch now: How to Fix Ubuntu 26.04 Brightness Control Not Working (External Display Fix)

#Ubuntu #Linux #Ubuntu2604 #LinuxFix #TechTutorial

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