Ubuntu Tips: How To Setup Dual Monitor

Question: I have purchased two monitors and connected to my desktop / laptop. How do I enable dual monitor setup in Ubuntu?

Answer: You can enable the dual monitor from the Ubuntu display preferences as explained below.

Click on System -> Preferences -> Display, which will display the following window.

Fig: Dual Monitor Setup on Ubuntu

Make sure following are taken care in this window:

• If you see only one monitor, click on Detect Monitor, which should detect all the monitors connected to the Ubuntu laptop or desktop.
• Uncheck Mirror Screens check-box as shown above. When you have this enabled, both the monitors will show the same display, which you don’t want.
• Highlight the first monitor and click the ‘On’ radio button. The first monitor will already be in on state.
• Highlight the second monitor and click the ‘On’ radio button.
• Select the Show displays in panel check-box, which will display the icon to configure the display on the top right hand panel for easy access.
• To change the display order of the monitors, simply drag the monitor to re-arrange them accordingly.

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