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Please provide me with a detailed answer explaining why my Ubuntu 18.04 gets stuck on the purple screen after trying to log in. Is it some bug in Ubuntu or do i need to install some additional drivers or something? I have an AMD RADEON GRAPHICS Chip in my laptop (in addition to intel i5) which isn't configured yet and which might be causing this issue. Are there any commands I can use on that purple screen to get around it because right now i can only avoid it by performing a force shut down of the system using the power button.

  • The Intel i5 iGPU (integrated GPU) is supported automatically. It is the Radeon and nVidia GPUs that usually require extraordinary driver support. – WinEunuuchs2Unix May 5 '18 at 2:10
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There are two relevant bug reports on the "purple screen" in Ubuntu 18.04 LTS. Many people have encountered difficulties including myself. However my problem seems different than the two bug reports so there might be more in the future regarding this issue.

Here are the two bug reports:

My problem/solution not in the bug reports was this:

0

I'm having this problem with Ubuntu 18.04 on both Ubuntu Desktop version and Ubuntu Gnome version (gnome-session), however it's not related to passwords (I think). What I found is that gnome-software-service.desktop (from /etc/xdg/autostart/) takes quite a long time to load, besides other troublesome extensions. So I made a copy of it in ~/.config/autostart

$ cp /etc/xdg/autostart/gnome-software-service.desktop ~/.config/autostart

and added at the end:

X-GNOME-Autostart-Delay=20 X-GNOME-Autostart-enabled=true

Overrall it looks like this:

[Desktop Entry] Type=Application Name=GNOME Software Exec=/usr/bin/gnome-software --gapplication-service OnlyShowIn=GNOME;Unity; NoDisplay=true X-Ubuntu-Gettext-Domain=gnome-software X-GNOME-Autostart-Delay=20 X-GNOME-Autostart-enabled=true

thus delaying its start. You could also disable its start by making:

X-GNOME-Autostart-enabled=true

You can make the mods directly in /etc/xdg/autostart/gnome-software-service.desktop but it will get overwritten by an upgrade. The other way, the mod is only available for the user but it will always be active.

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