New to Manjaro. Can't find a way to have a consistent lock screen

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I tried applying a wallpaper and syncing my options from the system settings. But something is off. The UI scale (I’m using a 4k display) is always reset when booting up or restarting the sytem, but the wallpaper I set is there. When the system has started, and probably gotten the right UI scale from the login, and I lock the system, the subsequent lock screen has the right UI scale, BUT the wallpaper is the default Manjaro one now. It seems like I have two different lockscreens and I can’t find a way to apply a unified set of settings on them. This out of the box from Manjaro KDE iso I downloaded a couple months ago. Everything is up to date on my system

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Lock-screen and login-screen (display-manager) is two different applications and settings is two different places.

Manjaro uses sddm as login-screen (to enable hidpi manual configuration is necessary) and the configuration is done

  • System Settings → Colors & Themes

Lock-screen is configured

  • System Settings → Security & Privacy → Screen Locking

A new display manager has arrived with Plasma 6.6 - Plasma Login Manager.

This must be installed separately and is configured separately and is still work in progress

sudo pacman -Syu plasma-login-manager
sudo systemctl enable plasmalogin --force

After reboot you can configure

  • System Settings → Securiy & Privacy → Login Screen
  • use the Apply Plasma Settings and Configure Appearance

If you decide to install the new login manager - remember to remove sddm after reboot (avoiding confusion)

sudo pacman -Rns sddm sddm-kcm
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Note that the KDE people are not RECOMMENDING replacing SDDM with PLM, they just offer it as an option. Personally, I plan to stay on SDDM. At least until PLM is mature.

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Thank you for your quick reply! I did change the wallpaper settings for the lock screen and now it matches both login screen and desktop. However, the UI scale for the login screen is still off, is there something I can do? I can’t find an option in System Settings > Colors & Themes. Just “Apply Plasma settings”, which has “Scaling DPI” in the list of settings to copy and apply but it apparently doesn’t have any effect.

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Plasma Login Manager is a fork of sddm with major improvements over the conventional sddm.

I suggest you read here Plasma / Plasma Login Manager · GitLab, test it and draw your own conclusion.

As for sddm - the only way to make sddm hidpi aware is to add a file /etc/sddm.conf.d/hidpi.conf with content (at least as I recall it :smiley:)

[Wayland]
EnableHiDPI=true

[X11]
EnableHiDPI=true
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Thank you! This and this fixed it

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