Comments on: 4 Ways to Fix the Laptop Brightness Problem In Ubuntu

By: donignasio

donignasio — Tue, 16 Jan 2024 16:12:14 +0000

thanks. metod 4 is worked. acer nitro 5 a-52

By: Jürgen

Jürgen — Fri, 12 Jan 2024 13:52:29 +0000

Method 4 worked for me:

Kernel      : Linux 5.15.0-91-generic (x86_64)
Version      : #101-Ubuntu SMP Tue Nov 14 13:30:08 UTC 2023
C-Library      : GNU C Library / (Ubuntu GLIBC 2.35-0ubuntu3.6) 2.35
Distribution      : Linux Mint 21.1
-Aktuelle Sitzung-
Computername      : HP-250-G7-Notebook-PC

By: Ilian Ivanov

Ilian Ivanov — Mon, 27 Nov 2023 20:22:53 +0000

In reply to Suzon. This method helped me. Acer Aspire Nitro 5, AMD Ryzen 7, NVIDIA RTX 3050ti

By: Toby

Toby — Tue, 20 Jun 2023 12:08:43 +0000

In reply to Igor. Did not work for a Lenovo X1 Yoga (Ubuntu 22.04.2 LTS Jammi Jellyfish).

By: Pavlo

Pavlo — Thu, 15 Jun 2023 12:41:07 +0000

THANK YOU!
Method 1 worked for me. For Asus FA507IX with Ryzen 7940HS on Ubuntu 22

By: Shafir

Shafir — Thu, 06 Apr 2023 09:39:23 +0000

Method 2 (Brightness controller app) works with my HP ZBook Studio G5

By: succo

succo — Wed, 01 Mar 2023 18:01:00 +0000

In reply to Igor. I can confirm that 'video' worked on an HP elitebook 840 g5

By: chin

chin — Sat, 31 Dec 2022 03:56:46 +0000

In reply to Daniel. Hey can you just guide me how does it work d

By: Daniel

Daniel — Sun, 25 Dec 2022 15:31:05 +0000

2022-12-25 Ubuntu 22.04 Lenovo Legion 5 15ITH6

After downgrading kernel from 5.15 to 5.13 screen dimming stopped working.

The first solution worked for me.

Thanks

Sys-Ops

By: Arindam

Arindam — Wed, 21 Dec 2022 05:58:44 +0000

In reply to edo. Thanks. What is the exact Laptop and GPU model? I will update the article for this fix.

By: edo

edo — Tue, 20 Dec 2022 19:37:07 +0000

Not worked for me, but found an answer on the nvidia forum. Look at the thread
https://forums.developer.nvidia.com/t/brightness-not-working-ubuntu-20-04-lenovo-legion-5-15imh05/178058/17

GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash nvidia.NVreg_RegistryDwords=EnableBrightnessControl=1″

did the day!

By: edo

edo — Tue, 20 Dec 2022 19:03:17 +0000

In reply to Igor. didn't work for legion 5 pro 2022(

By: uzziach

uzziach — Sun, 06 Nov 2022 12:04:05 +0000

Method 4, xrand solution works(!) on Acer Aspire Switch 10 SW05-12 with Linux Mint 20.03.

It saves some battery and a lot of eyes (finaly something that works! Thanks!!!)

By: M M

M M — Thu, 27 Oct 2022 14:12:10 +0000

The 2nd helped me. Thank you

By: romi

romi — Sun, 16 Oct 2022 21:36:07 +0000

the first worked for me!
running Zorin16.1 on a Huawei Matebook Ryzen 7

many thanks!

By: antonio

antonio — Tue, 27 Sep 2022 21:11:16 +0000

thanks the fourth worked for me, Dell g15 zorin

By: Primo

Primo — Tue, 20 Sep 2022 08:07:41 +0000

In reply to Ravi.

Ravi, try this, it worked for me
https://www.debugpoint.com/2-ways-fix-laptop-brightness-problem-ubuntu-linux/#comment-1463

By: Primo

Primo — Tue, 20 Sep 2022 07:51:29 +0000

In reply to Igor. This also worked on Lenovo e41-45 with Ubuntu 22.04 Thanks

By: Primo

Primo — Tue, 20 Sep 2022 07:43:50 +0000

In reply to Arindam. My laptop is lenovo e41-45, and i also tried all above methods too, but none worked

By: Arindam

Arindam — Sat, 10 Sep 2022 18:56:42 +0000

In reply to Ravi. Did you try method 2 via PPA?