I installed Arch Linux with XFCE 4.10 on my old PC with Intel 3.0 GHz processor, 4 GB RAM and Nvidia GeForce 7300 LE with nouveau driver and everything is running fine. I recently installed KDE (kdebase), modified .xinitrc file and start it using startx and I get this screen:

enter image description here

please help!


I had a similar problem on an old Mac Pro. I asked for help on a KDE forum:


In summary, this answer worked for me:

Try disabling compositing by pressing Alt + Shift + F12. If this causes the graphical corruption glitches to go away, then you might want to install the appropriate drivers for your system if it uses a Nvidia / ATI card/chip as they will likely work much better - and shouldn't experience this graphical distortion you are reporting.

Once you can read the screen, you can to into System Settings > Desktop Effects and make this change "permanent".

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