Score:3

Monitor scaling does not work properly

in flag

I have a laptop and a monitor connected to it. I would like 125% scaling on the lapop and 100% on the monitor. Changing any settings changes the scaling on both monitors. I would like to scale 125% laptop separately. 100% monitor.

enter image description here

sancho.s ReinstateMonicaCellio avatar
pl flag
Did you have a chance of testing the latest recommendation?
Score:1
pl flag

EDIT:

There are quite a few posts out there (see list below) that deal successfully with similar cases via xrandr.

Try with a command like

xrandr --output eDP-1-1 --scale 1.25x1.25 --mode 1920x1080 --fb 2400x1350 --pos 0x0 --output HDMI-0 --primary --scale 1x1 --mode 1920x1080 --right-of eDP-1-1

If this doesn't work right away, I suggest you: 1) post a detail of what you get, and 2) tinker a bit with flags, checking the references. This should be quite close to what works.

If this works, and you want to set it permanently, check Best place to automatically add mode in xrandr and links therein.

Sources:

  1. Is it possible to have different DPI configurations for two different screens?
  2. xrandr dual-monitor scaling issue
  3. https://superuser.com/questions/522453/xrandr-dpi-on-multihead-linux
  4. https://blog.jamiek.it/2015/04/manually-fixing-multiple-screens-with.html
  5. https://unix.stackexchange.com/questions/253449/multiple-monitors-hidpi-scaling
  6. https://www.reddit.com/r/gnome/comments/i1b2d1/x11_scaling_issues_with_multiple_monitors/
  7. https://github.com/linuxmint/Cinnamon/issues/3606
  8. https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1857383
  9. https://wiki.archlinux.org/title/xrandr
Peter avatar
in flag
Unfortunately changing the setting destroys the entire scale of the monitors. A similar situation to choosing in Gui. I'll have to work somehow..
sancho.s ReinstateMonicaCellio avatar
pl flag
@Peter - I suggest you post the output of `xrandr` in the OP, and the exact command you used for testing. Then one could try following up.
Peter avatar
in flag
I have edited the answer below: not large enought
Score:0
in flag
  1. xrandr: xrandr

  2. xrandr --output eDP-1-1 --scale 1.25x1.25: enter image description here

    piotr@piotr-Dell-G15-5510:~$ xrandr --output eDP-1-1 --scale 1.25x1.25 --mode 1920x1080 --fb 2400x1350 --pos 0x0 --output HDMI-0 --primary --scale 1x1 --mode 1920x1080 --right-of eDP-1-1 xrandr: specified screen 2400x1350 not large enough for output HDMI-0 (1920x1080+1920+0) xrandr: Configure crtc 0 failed piotr@piotr-Dell-G15-5510:~$ enter image description here

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