Failed to start light display manager after fresh installation

[Pipou1]

I have an AMD driver and AMD radeon graphic card.
I dit a brand new fresh installation with manjaro cinamon with a Live usb and no problem. So i reboot, first time and i have this error.

Failed to start light display manager (in red)

So please can you help me ? What should i do to fix that ?

[Pipou1]

So with sudo lightdm, i can start and see the desktop.
but after a reboot, same problem.

[andreas85]

Maybe have a look at

Fresh Cinnamon install. Lightdm fails at boot

Alright here’s the logs. /var/log/lightdm/lightdm.log : [+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log [+0.00s] DEBUG: Starting Light Display Manager 1.30.0, UID=0 PID=716 [+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d [+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d [+0.00s] DEBUG: Loading configuration dirs from /var/lib/flatpak/exports/share/lightdm/lightdm.conf.d [+0.00s] DEBUG: Loading configuration dirs fr…

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[HowTo] Provide System Information

This tutorial is superseded by this one. Remember all Tutorials are wiki posts that can be edited by TL2 (Trust Level 2) members and above. Welcome to Manjaro! To allow all of us helpful people on this forum TO HELP YOU, we need some basic information about your system. This probably means you described the symptoms of your problem, but now we need some more information to know where the origin of your issue is exactly. Someone else probably linked you to…