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Hi,

I have a problem with Kubuntu 19.04 in my 13" FHD (1920x1080) laptop screen. enter image description here enter image description here The login screen is too small as was the whole Plasma KDE.

I was able to re-scale the screen to 1.5 (150%) enter image description here and now Plasma KDE looks great but the login screen still remains small (FHD scaled) though when I come back from Suspend mode the login screen do re-scales to 150%.

There is no file called sddm.conf under /etc/, as written in the project's github page, in my OS sddm.conf located under /etc/init.

I have added the lines

[X11]
ServerArguments=-nolisten tcp -dpi 144

At beginning of /etc/init/sddm.conf where 144 represents my base resolution in DPI as written in the X-Server information * 1.5enter image description here but still it doesn't fix the login screen resolution scale.

Any suggestions will be gladly welcomed.

TNX

1

In my Kubuntu 19.10, /etc/init/sddm.conf appears to contain script code instead of config variables. /etc/sddm.conf did exist, perhaps because this is based on Ubuntu 18.04.3 LTS that came with the XPS 13:

$ cat /etc/sddm.conf 
[Autologin]
Relogin=false
Session=
User=

[General]
HaltCommand=
RebootCommand=

[Theme]
Current=ubuntu-theme
CursorTheme=breeze_cursors

[Users]
MaximumUid=60000
MinimumUid=1000

[X11]
ServerArguments=-nolisten tcp -dpi 144

I added the [X11] section myself, rebooted, and now the initial login screen is more easily readable, as well as the session apps and lock screen. Even at Displays scale 1 i had to revert Fonts from 13 to 11 and lower. I'm running this QFHD at FHD to save battery and config stress:

/etc/sddm.conf X11 dpi setting result

PS: You can calculate the proper PPI; QFHD in 13.3" is 331 and FHD on the same is 166.

| improve this answer | |
  • Checking again, i also have EnableHiDPI=true under X11 and Wayland sections for some reason. – Cees Timmerman Mar 11 at 17:34
  • Just like you I have no sddm.conf file anywhere (see here: askubuntu.com/questions/1225750/…), running kubuntu 20.04, which comes with kde 5.68 – opensas Apr 9 at 22:38

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