Black screen after reboot kde

[cscs]

Hullo,
Maybe these 2 are places to start:

[HowTo] Resolve an unbootable Manjaro (black screen, login failed, cant boot, etc)

When we have problems gaining access to our systems it is difficult to gather information, let alone fix any problems. Here we will cover common causes and solutions to ‘manjaro wont boot’. TTY If your desktop does not load properly then you might still be able to use most, if not all, functionality by dropping to a non-graphical TTY. By default your system will have multiple TTYs, with each corresponding to an Fx key. Your desktop is assigned to one as well - most often F1. You can chang…

[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This tutorial is superseded by this one.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…

Oh and maybe this:

[HowTo] use public command-line pastebin services without installing anything!

Sometimes we might want to easily share terminal output. While this can be accomplished directly in the forums or manually through websites like pastebin, there also exist a number of open services that allow you to paste and share directly from the command line by using tools you already have installed. This is great for many situations, including troubleshooting from a non-graphical boot, or simply very large outputs. Here I will share a few examples and how to use them. Services and Exampl…