X configuration file:


To find the specification of a monitor you can try the knoppix utility:

emerge -av ddcxinfo-knoppix
ddcxinfo-knoppix -modes
ddcxinfo-knoppix -monitor


Error log:



To start X



  • Download and install Xming

  • Download and install putty.

  • Configure putty:

    Connection, SSH, X11, tick Enable X11 forwarding. In the X display location, enter localhost:0:


  • Create a launch configuration by running XLaunch (part of the Xming installation).

    • Select Start no client.

    • Make sure you tick No Access Control.

    • Click Save configuration and make a note of where you save the .xlaunch file.

  • Start Xming by double clicking on the .xlaunch file.

  • Log into your Linux box using putty. At the Linux terminal, you might need to type:

    DISPLAY=your.windows.ip.address:0.0;export DISPLAY
  • To test the Xming server:

    xclock &

    Note: When I tried this, the fonts look messy. More information on fonts can be found here: Xming Fonts


If you have any issues with the connection, check the Xming log. This can be found by right clicking on the Xming icon in the toolbar…

Multi-Monitor (Rotate)

From the comments on Ubuntu: Rotate only one of two monitors

After messing around a bit with xorg.conf, the solution for me was surprisingly simple: Completely remove all NVIDIA drivers and the xorg.conf. In the display settings I can now rotate and position both displays individually in a few seconds without having to change xorg.conf and without restarting X.

The downside is that Compiz doesn’t work


X -version