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[EN] LXqt login screen does not show text

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GoinEasy9:
  [ You are not allowed to view this attachment ]  Hi All

I recently moved and my trusty EEEpc using LXqt wasn't updated for 3 months. Since the update, the login screen (photo attached) has nothing on it but the user and password box and the icons below. typing shows nothing, but, if I'm careful I can type the user name and password into the boxes (without seeing what I'm typing) and am able to log in. Everything works perfectly except for the login screen.   
Does anyone have an idea where I can look to solve this?

Ich bin kürzlich umgezogen und mein treuer EEEpc mit LXqt wurde 3 Monate lang nicht aktualisiert. Seit dem Update ist auf dem Anmeldebildschirm (Foto im Anhang) nichts zu sehen, außer dem Benutzer- und Passwortfeld und den Symbolen darunter. Bis auf den Anmeldebildschirm funktioniert alles einwandfrei.   
Hat jemand eine Idee, wo ich dieses Problem lösen kann?

Thanks in advance
Tom

hendrikL:
Well, first I think there was a big qt update, maybe? I'm downloading the latest lxqt iso to check, but definitely not the “patience” one!

What can be checked, is /usr/share/sddm/theme/patience/components/PwBox.qml, search there for "textColor: "<color>" it should be "black", and also check UserBox.qml in the Section TextInput { ... color: "<color>" }, should also be black!

If they are OK, then you have a little problem, you need to install a more resent sddm-theme, "apt search sddm-theme siduction"
It is easy to change the background of the theme if you want so!
You can ask, or take a look at the theme file, you will find the solution.

Otherwise, change them to black and restart sddm and hope.

hendrikL:
I checked the patience sddm theme with plasma5/Kde iso, It is working, looks a bit different (because of wayland, I use sddm also with), but everything is OK.


--- Code: ---~$ LANG=C inxi -Sa
System:
  Host: hhl-2 Kernel: 6.9.0-rc5-siduction-amd64 arch: x86_64 bits: 64
    compiler: gcc v: 13.2.0 clocksource: tsc avail: hpet,acpi_pm
    parameters: initrd=\3c3ddd603b3346d4ac5cc56721efbd2d\6.9.0-rc5-siduction-amd64\initrd.img-6.9.0-rc5-siduction-amd64
    root=UUID=009a5764-2ac7-41d0-9a9f-f80285bfb34e ro quiet splash
    systemd.machine_id=3c3ddd603b3346d4ac5cc56721efbd2d
  Desktop: KDE Plasma v: 5.27.10 tk: Qt v: 5.15.10 info: frameworks
    v: 5.107.0 wm: kwin_wayland vt: 3 dm: SDDM Distro: siduction 22.1.2
    Masters_of_War - kde - (202303151559) base: Debian GNU/Linux trixie/sid

--- End code ---

hendrikL:
Installed in virtual machine KVM, LxQt up to date!
sddm-theme patience.



Could it be a graphic card thingy? AMD? I am a bit clueless.

GoinEasy9:
Thanks for the response HenrickL,
;
Intel based graphics:
inxi -Sa
System:
  Host: EEEpc Kernel: 6.8.7-1-siduction-amd64 arch: x86_64 bits: 64
    compiler: gcc v: 13.2.0 clocksource: hpet avail: acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.8.7-1-siduction-amd64
    root=UUID=ae92b917-0f63-45b9-9caf-93499424c01a ro quiet
    resume=UUID=64b1a575-b354-4444-9679-9da203d8840e systemd.show_status=1
  Desktop: LXQt v: 1.4.0 tk: Qt v: 5.15.10 wm: xfwm4 v: 4.18.0
    with: lxqt-panel,plank tools: avail: xscreensaver vt: 2 dm: SDDM
    Distro: siduction 18.3.0 Patience - lxqt - (202002161802) base: Debian
    GNU/Linux trixie/sid

I do see some flickering after installing the theme for giants, so it may be Intel graphics related.

I tried all of your suggestions with the qml files and changing white to black. Still no solution. I compared some of the files to the sddm themes on my other siduction installs and they are the same.

I'll look a bit closer tomorrow, I'd hate to have to reinstall just because of the login screen.

Thanks again

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