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Revision as of 20:51, 18 March 2007 by Jerry bond (Talk | contribs)
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When using a laptop with MEPIS 6.0 for presentations, there are a couple of important things to know. First of all, your laptop's key combination for toggling the LCD/CRT (Ctrl-Fn7 or F8 or F9, depending on the machine) will not work, but you can still get your laptop display to be projected.

When a projector is plugged into a laptop, the display is sometimes automatically detected, but other times not. If your laptop display is not automatically cloned to the projector, try restarting X with the combination Ctrl-Alt-Bksp.

If that does not work, then follow these steps:

  • Go to KMenu --> System --> File System --> File Manger - Super User Mode, and enter your root password.
  • Navigate to /etc/X11 and open the xorg.conf file, then save it as xorg.conf_original. This step will allow you to roll back if necessary!
  • Scroll down the xorg.conf file until you hit the first entry in the Section "Monitor." This is the entry for your laptop monitor, and it probably has a lot of monitor resolutions listed.
  • At the end of the section, right before the words "EndSection", insert these two entries (LFP stands for Local Flat Panel):
              Option "MonitorLayout" "CRT,LFP"
              Option "Clone" "True"

These options state that the monitor layout (i.e. the outputs of the video card) are CRT and LCD and that the display should be the same on both.

  • Save the file as xorg.conf, accepting to overwrite, then exit File Manager.
  • Ctrl-Alt-Bksp to end session, enter user password, and your external monitor/projector should be operating.

Note: You can close the lid at any time before login, and MEPIS will continue using the external monitor, but if you close the lid after login the machine will hibernate.

  • If there is any problem with your changes, reboot, hit F2 to see the details of the boot process. Log in when asked, then become superuser (su + password), navigate to /etc/XII, and type
               mv xorg.conf_original xorg.conf

When you reboot, your original xorg.conf file will be functional again and so will your laptop display!

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