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How to Change Screen Timeout in Ubuntu Linux

Richard
Written by
Richard
Sep 2, 2022 Updated Sep 15, 2026 2 min read
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Screen timeout in Ubuntu Linux controls how long your PC stays awake before the screen dims and locks. Ubuntu sets this timer to 5 minutes by default to save battery and protect your privacy, but you can change it to fit what you need.

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Open the Settings app on Ubuntu 22.04 and newer to adjust this timer so your display stays on longer while you read or watch videos.

⚡ Quick Answer

Adjust the Blank Screen Delay in System Settings under Privacy or Power. Navigate to Settings, then Privacy, and select Screen to find the Blank Screen Delay drop-down. You can also access this via Settings, then Power, and adjust the Screen Blank option.

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How to change when your computer screen goes blank in Ubuntu Linux

You can change screen timeout Ubuntu settings by opening the Settings app, going to the Power or Privacy section, and choosing how long your computer waits before turning off the display. Adjusting this timer keeps your screen awake longer while you read or watch videos, or turns it off faster to save battery power on a laptop.

Ubuntu Linux activities overview interface
ubuntu linux activities overview

Click the system menu in the top-right corner of the top bar, then select Settings as shown in the image.

Highlight Settings on the system menu below.

Ubuntu Linux system menu highlighting settings option
ubuntu linux system menu top bar settings

Click the Privacy tile inside the Settings app to expand it.

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Expanded privacy settings tile in Ubuntu Linux
ubuntu linux privacy tile expand

Open the panel by clicking Screen inside the System Settings -> Privacy settings pane.

Open System Settings - Privacy - Screen, then use the Blank Screen Delay drop-down menu to pick a new duration or turn blanking off entirely.

Changing blank screen delay settings in Ubuntu
ubuntu blank screen delay change time

Alternatively, open System Settings - Power. Use the Screen Blank drop-down list under Power Saving Options to set the time until the screen blanks or disable the blanking altogether.

Power settings showing screen blank options in Ubuntu
ubuntu screen blank under power

Ubuntu Linux allows adjusting the Blank Screen Delay independently of the Automatic Screen Lock.

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Close the Settings app once finished.

Adjusting these settings helps balance privacy and energy use.

  • Adjusting Blank Screen Delay and Automatic Screen Lock settings in Ubuntu Linux can enhance privacy and security.
  • Modifying the Blank Screen Delay can also help save energy and extend device's battery life.
  • Changing the Blank Screen Delay in Ubuntu Linux involves accessing the System Settings - Privacy - Screen or System Settings - Power panels.
  • Ubuntu Linux's centralized location for settings makes it convenient to customize various aspects of the system.

How do I stop Ubuntu from timing out?

To stop the screen from timing out, set the screen blank option to Never in the Power Saving settings.

How to change screen timeout duration?

Open the Settings app and select Display & Brightness. Choose Auto-Lock to set a new duration, or select Never to keep the screen awake indefinitely.

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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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