Before i am killing the system i checked some other logs. Now i found in the /var/log/Xorg.0.log
(II) Setting vga for screen 0. (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32 (==) NVIDIA(0): RGB weight 888 (==) NVIDIA(0): Default visual is TrueColor (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0) (**) NVIDIA(0): Option "MetaModes" "1680x1050 +0+0; 1280x1024 +0+0; 1024x768 +0+0; 800x600 +0+0; 640x480 +0+0" (**) NVIDIA(0): Enabling RENDER acceleration (EE) NVIDIA(0): Failed to initialize the GLX module; please check in your X (EE) NVIDIA(0): log file that the GLX module has been loaded in your X (EE) NVIDIA(0): server, and that the module is the NVIDIA GLX module. If (EE) NVIDIA(0): you continue to encounter problems, Please try (EE) NVIDIA(0): reinstalling the NVIDIA driver. (II) NVIDIA(0): NVIDIA GPU GeForce FX 5200 at PCI:1:0:0 (GPU-0) (--) NVIDIA(0): Memory: 131072 kBytes (--) NVIDIA(0): VideoBIOS: 04.34.20.87.00 (II) NVIDIA(0): Detected AGP rate: 8X (--) NVIDIA(0): Interlaced video modes are supported on this GPU (--) NVIDIA(0): Connected display device(s) on GeForce FX 5200 at PCI:1:0:0: (--) NVIDIA(0): NVIDIA TV Encoder (TV-0) (--) NVIDIA(0): Hitachi X91D DVI (DFP-0) (--) NVIDIA(0): NVIDIA TV Encoder (TV-0): 350.0 MHz maximum pixel clock (--) NVIDIA(0): TV encoder: NVIDIA (II) NVIDIA(0): Assigned Display Device: DFP-0 (WW) NVIDIA(0): No valid modes for "1680x1050+0+0"; removing. (II) NVIDIA(0): Validated modes: (II) NVIDIA(0): "1280x1024+0+0" (II) NVIDIA(0): "1024x768+0+0" (II) NVIDIA(0): "800x600+0+0" (II) NVIDIA(0): "640x480+0+0" So to run Debian with KDE4 you must have a running GLX? I tried to reinstall the NVIDIA-driver and that was working. But now the system does not reboot any more. It is hanging at starting NFS I give up now ... -- To UNSUBSCRIBE, email to debian-qt-kde-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org