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  • Welcome!

    I'll get straight to the point.

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    Pop!_Planet Founder

Sometimes I get a black screen instead of the login

LondonUK371

Member
Jun 14, 2020
21
1
9
32
Hello,

On Pop OS 20.04 sometimes when I get out of sleep I have just a black screen. I might get it also just when I get out of the lockout. The login screen does not appear I just have a black screen.
I use 2 screens, the first one is a laptop screen reversed and an external monitor which is the primary one.
So I think that it's a GDM issue. Where to check what bugs? Is there any log file?

I am using the Nvidia proprietary driver. Maybe it's a driver issue but I don't know how to install the nouveau one and switch from Nouveau driver to the proprietary one.

I would like also to try the Nouveau driver but can't find on Pop OS this Ubuntu application to switch driver:


Code:
flatpak list
Name                           Application ID                                         Version                 Branch           Installation
ungoogled-chromium             com.github.Eloston.UngoogledChromium                   92.0.4515.159           stable           user
Codecs                         com.github.Eloston.UngoogledChromium.Codecs                                    stable           user
Freedesktop Platform           org.freedesktop.Platform                               20.08.15                20.08            user
Mesa                           org.freedesktop.Platform.GL.default                    21.1.7                  20.08            user
nvidia-470-57-02               org.freedesktop.Platform.GL.nvidia-470-57-02                                   1.4              user
Intel                          org.freedesktop.Platform.VAAPI.Intel                                           20.08            user
openh264                       org.freedesktop.Platform.openh264                      2.1.0                   2.0              user

Thank you for your help,
Vincent.
 
Last edited:

LondonUK371

Member
Jun 14, 2020
21
1
9
32
I have found this help page:
https://support.system76.com/articles/login-loop-pop#reinstall-nvidia-driver


I have a Nvidia 1050 GTX video card and I followed these steps:
1/ I reinstalled the video driver
Code:
sudo apt purge ~nnvidia
sudo apt autoremove
sudo apt clean
And then :
Code:
sudo apt update
sudo apt full-upgrade
sudo apt install system76-driver-nvidia
2/ I reinstalled the login manager
Code:
sudo apt install --reinstall gdm3 pop-desktop gnome-shell
sudo systemctl reboot
And I must admit that I am quite surprised ! No more crash since then. I have put into the sleep mode my PC at least 10 times since then and no crash, no black screen!
What a wonderfull news! I was about to reinstall all my computer and switch back to Ubuntu...
 

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