How to Change Graphics Card Settings With Ubuntu


The Ubuntu Linux operating system manages video cards and makes use of their capabilities to display output on the screen. The graphics card settings are stored in the "Display Preferences" dialog and allow you to quickly adjust configurations such as the number of monitors, rotation and resolution. Adjusting these values can vastly improve the display performance of the operating system.

  • Log in to Ubuntu.

  • Click "System," "Preferences" and "Display."

  • Click "Refresh rate" and adjust the value to alter how quickly the screen refreshes. This setting is hardware-limited, and controls how quickly information is redrawn to the screen. Normally, you should not need to modify this setting.

  • Click "Resolution" to adjust the video card's output resolution. Your monitor likely has a preferred resolution which you can select from the drop-down list -- for example, "1280x1024" or "1600x1200." Try different resolutions to see which one you like the best. If your monitor or card cannot support an attempted resolution, the display setting reverts back to the previous setting when it does not receive a confirmation from you.

  • Click "Rotation" to adjust how the screen is rotated. Unless your monitor is sideways or upside down, you likely do not need to change this setting.

  • Click "Apply" to finalize your graphics card settings.

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