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How to use Gnome 3.26 Fractional Scaling in Fedora 27 beta

asked 2017-10-31 09:26:05 -0500 gravatar image

Hi, i have read that Fedora 27 should support fractional scaling for HiDPI due to Gnome 3.26. I couldn't find any official documentation about how to set the display scale to a fractional value. In the internet it is said that one need to activate an experimental feature with

gsettings set org.gnome.mutter experimental-features "['scale-monitor-framebuffer']"

But it seems that this do not change anything for me - i still can't set a fractional scaling.

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answered 2018-02-02 02:01:12 -0500

jrudolph gravatar image

I just want do add to this, because I found it incredibly frustrating that in 2018 basic stuff like this still doesn't work. Here's what worked for me using standard Fedora 27 + Gnome + Wayland desktop.

I also couldn't apply a fractional scale setting from the standard "Display Settings" control panel after activating

gsettings set org.gnome.mutter experimental-features "['scale-monitor-framebuffer']"

The options (125%, 150%) would show up, but the "Apply" button disappeared as soon as I selected one of them. Anyhow, I set my scaling to 100% on dual 27" 4k displays and then installed the gnome tweak tool. Inside there, under "Fonts" I set scaling factor to 1.5. This works great in most of my apps.

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Make sure to move your display in the arrangement screen so that it touches the other display again. Then the apply button appears again.

ansiwen gravatar imageansiwen ( 2018-02-23 10:46:40 -0500 )edit

answered 2017-11-02 03:38:01 -0500 gravatar image

found the answer myself... you have to ensure to use wayland. for some reason my session defaults to xorg, so i only had to change it to wayland and it worked as expected.

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Asked: 2017-10-31 09:26:05 -0500

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Last updated: Oct 31 '17