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HP Omen 4800H/1660 Ti Brightness Not Changing

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HP Omen 15 2020
Microsoft Windows 10 (64-bit)

Hi folks, I received delivery of my HP Omen 15 (Ryzen 4800H / GTX 1660 Ti) yesterday. The laptop is great however, there is quite an important issue with the screen brightness. It will not change no matter what method I use. The brightness display appears on the screen but the display will start on full brightness. I've tried removing all the drivers, installing updates, updating BIOS etc. I even tried using Linux Manjaro which has the exact same issue. Even with a fresh install of Windows 10. There seems to be no way to change it. I've raised a case for a possible replacement, but I've now seen a few other people report the same problem. A replacement in that case could just as easily have the same fault. Appreciate any suggestions as I would really love to get this working. Thank you.

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Welcome to HP Community


I have gone through your Post and I understand your concerns


There is no known issues with the brightness on the HP Omen Notebooks


This seems to be a hardware issue since you already tried a different OS


If you have already raised a complaint for a replacement, HP Support Team will reach out to you regarding the same


Thank you


If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.

I Am An HP Employee

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I did have what might be a similar problem with Ubuntu 20.04. The screen brightness indicator would respond to increase/decrease commands, but no change in brightness occurred. After installing the latest 5.8.x kernel ( and Nvidia drivers ( things appeared to begin working. I believe there is better support for the Ryzen 7 APU in the 5.8 kernel famil ythan was perviously available.


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