{"id":48071,"date":"2025-02-05T07:27:13","date_gmt":"2025-02-05T07:27:13","guid":{"rendered":"https:\/\/ubuntuhandbook.org\/?p=48071"},"modified":"2025-02-05T07:27:13","modified_gmt":"2025-02-05T07:27:13","slug":"enable-hdr-ubuntu","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2025\/02\/enable-hdr-ubuntu\/","title":{"rendered":"How to Enable HDR (Experimental) in Ubuntu 24.04 | 24.10"},"content":{"rendered":"

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This is a beginner’s guide shows how to enable the experimental HDR feature in Ubuntu, Fedora Workstation, and other Linux with recent GNOME.<\/p>\n

HDR is a technology allowing to transmit high dynamic range videos and images to compatible displays. KDE has HDR support in Plasma 6, and GNOME is going to add HDR toggle option<\/a> in next v48 release.<\/p>\n

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GNOME to add HDR toggle option in next v48<\/p><\/div>\n

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Since GNOME 44, mutter window manager has experimental HDR support. And here’s how to enable it step by step.<\/p>\n

Preparation:<\/h3>\n

To enable this feature, you first need a HDR compatible monitor. And for external monitor, you need to enable HDR mode through physical buttons.<\/p>\n

Depends on your GPU, it’s better to use the most recent Kernel (Kernel 6.8 or newer). In my case, I have Ubuntu 24.04 running with Kernel 6.12 and Intel integrated GPU. And, for NVIDIA users, the 555 and later driver series is recommended.<\/p>\n

Enable HDR in GNOME<\/h3>\n

To enable the experimental feature, first press Alt+F2<\/b> to open the “Run a Command” dialog box. When it opens, input lg<\/b> and hit enter to trigger GNOME looking glass, the integrated debugger and inspector tool.<\/p>\n

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In the drop-down dialog, run one of the commands below to enable HDR:<\/p>\n