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Black screen with cursor after change SDDM theme

dacorsa
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Hi guys, goodmorning,

yesterday i have add 2 SDDM theme with Systemsettings :

Fantasy-Blue-V.2 SDDM Login Themes
Ittu motion theme for SDDM

and when i have reboot i can see only black screen with cursor, also the /etc/sddm.conf was empy and i fond a new file sddm.conf in a subdirectory... /etc/sddm.conf.d/

how can i solve this problem? can i uninstall the SDDM theme with the console?

Thanks
acrux
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/etc/sddm.conf is indeed empty, but I have a file kde_settings.conf in /etc/sddm.conf.d with the content:
Code: Select all
[Autologin]
Relogin=false
Session=
User=

[General]
HaltCommand=
Numlock=none
RebootCommand=

[Theme]
Current=breeze
CursorTheme=breeze_cursors

[Users]
MaximumUid=60000
MinimumUid=1000

[X11]
ServerArguments=-dpi 0
dacorsa
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ok thanks for your reply, but what can damage SDDM theme???

best regards
acrux
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Are you sure, that the culprit is SDDM theme?
When black screen with cursor can you switch to the viryual console (vc) 2 vith Ctrl+Alt+F2?
If yes, then log in and type:
Code: Select all
sudo init 3

This terminates all graphical desktops and switches you to vc1.
Switch back to vc2 and type:
Code: Select all
startx

It Plasma desktop starts, then there is something wrong with sddm if not, then with X ;)
If recent hardware, no nvidia, and X is not starting you can try wayland:
Code: Select all
dbus-run-session startplasma-wayland
dacorsa
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acrux wrote:Are you sure, that the culprit is SDDM theme?
When black screen with cursor can you switch to the viryual console (vc) 2 vith Ctrl+Alt+F2?
If yes, then log in and type:
Code: Select all
sudo init 3

This terminates all graphical desktops and switches you to vc1.
Switch back to vc2 and type:
Code: Select all
startx

It Plasma desktop starts, then there is something wrong with sddm if not, then with X ;)
If recent hardware, no nvidia, and X is not starting you can try wayland:
Code: Select all
dbus-run-session startplasma-wayland


thanks for your reply, when i run "startx" X doesn't starts , so how solve problem with X??

Is there a script to fix X?

Thanks Acrux

Last edited by dacorsa on Thu Feb 13, 2020 1:45 pm, edited 1 time in total.
acrux
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dacorsa wrote:thanks for your reply, when i run "startx" X doesn't starts , so how solve problem with X??

Probably it says what is wrong, some error message.
There have been several topics here earlier with subject a' la black screen with cursor, x does not start etc...
Maybe you'll find a solution there ;)
dacorsa
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I tried wayland, but not works :(

 
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