Fix Ubuntu Screen Brightness Control Issues
The inability to adjust screen brightness in Ubuntu is often due to missing correct drivers or configuration issues. Here are some possible solutions:
- Update your graphics card driver: Open the “Software & Updates” application, go to the “Additional Drivers” tab, and select the latest graphics card driver.
- Install additional graphics card drivers: Sometimes the default graphics card drivers in Ubuntu may not correctly identify the hardware, you can try installing additional graphics card drivers to solve the issue.
- Use a brightness adjustment tool: You can try using third-party brightness adjustment tools to manually adjust screen brightness. Some common tools include “brightness-controller” and “xbacklight”.
- Adjust power management settings: Sometimes power management settings may affect screen brightness adjustments. You can try adjusting relevant settings in the “Power” option in “System Settings”.
- Update your system: Make sure your Ubuntu system is up to date and all updates are installed. Sometimes updates can fix issues with adjusting screen brightness.
If you have tried the above methods and still cannot solve the problem, we suggest searching for screen brightness adjustment issues specific to your model for more detailed solutions provided by other users.
