Light Display Manager

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CurlyStooge
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Joined: Tue Oct 29, 2024 1:49 am

Light Display Manager

#1 Post by CurlyStooge »

Hello. First off, please forgive me for not sharing hw/sw info. I probably could if needed but it be a picture of output on pc hassle.

After reconfiguring kernel settings which all seemed to work fine, I deleted old kernels,( saving the current and its previous version).
Upon reboot the grub menu opens as usual to choose kernel or edit anything and after trying both current and previous I am met with:
[Failed] to start lighten.service - Light Display Manager. I have tried to fix with no luck.
All I am trying to do is to make the old computer work as efficiently and effectively as possible. After researching I found it best to use systemd.
Meanwhile I can’t boot into my environment.
Please help??!

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j2mcgreg
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Re: Light Display Manager

#2 Post by j2mcgreg »

QSI please. One from a live session is acceptable under the circumstances.
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CharlesV
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Re: Light Display Manager

#3 Post by CharlesV »

Try this:

CTRL+ALT+F2 to reach the console mode and login with your user and password.

then

Code: Select all

sudo apt-get --reinstall lightdm-gtk-greeter

once that is installed, make sure to enable it with

Code: Select all

systemctl enable lightdm

and then reboot ( systemctl reboot )
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CurlyStooge
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Joined: Tue Oct 29, 2024 1:49 am

Re: Light Display Manager

#4 Post by CurlyStooge »

Thx! I’ll give it a go. No luck. E: Command line option —reinstall is not understood in combination with the other options.
Image

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CharlesV
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Re: Light Display Manager

#5 Post by CharlesV »

Sorry, doing too many things at once.

Try this instead.

Code: Select all

sudo apt reinstall lightdm-gtk-greeter

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CurlyStooge
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Joined: Tue Oct 29, 2024 1:49 am

Re: Light Display Manager

#6 Post by CurlyStooge »

Hmm, did something but nothing..? See picture of output after reboot.
Image

Image

CurlyStooge
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Re: Light Display Manager

#7 Post by CurlyStooge »

Image

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CharlesV
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Re: Light Display Manager

#8 Post by CharlesV »

Hmmm... something else is at play here.

You might try doing a full upgrade and see if something is hanging back.

Code: Select all

sudo apt update
sudo apt upgrade
Keep doing it as long as it keeps installing anything.

You *may* be able to start the gui with

Code: Select all

startx 

there may be something left in your config or cache that is corrupted. Clearing that out might help here.

You are just about at the end of my systemd knowledge ... I will look more, but just about out of ideas.

Possibly remove and purge lightdm ... reboot and see. then reinstall it if you can get up and going.
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CharlesV
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Re: Light Display Manager

#9 Post by CharlesV »

Assuming you do not have a recent timeshift snapshot ?
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siamhie
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Re: Light Display Manager

#10 Post by siamhie »

CurlyStooge wrote: Thu May 29, 2025 7:05 pm After reconfiguring kernel settings which all seemed to work fine, I deleted old kernels,( saving the current and its previous version).
Upon reboot the grub menu opens as usual to choose kernel or edit anything and after trying both current and previous I am met with:
What kernel settings did you make?

Were they made in MX Boot Options?
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