One of these things is enabling the VGA output (i.e. the external monitor) on a laptop. I own a rather old Acer TravelMate 290 laptop that comes with an Intel 855GM graphics card. When using Xubuntu 8.04 and trying to enable the VGA output by hitting the Fn+F5 key, all my system did is ... crash. As you can imagine, this is especially annoying when you're supposed to give a talk! (Shame on me for not testing before.)
With Xubuntu 8.10 (Intrepid Ibex), the system doesn't crash on Fn+F5 any more, but it will not enable the VGA output either. So after I spent quite some time researching and trying things out, here is how to enable your VGA output:
- Attach a monitor/projector/something else to the VGA output of your laptop.
- Open a terminal and run "xrand -q". It will show all your graphics card's outputs and the available modes. VGA is your VGA output (duh!) and LVDS is your laptop's LCD display.
- To enable the VGA output, enter "xrandr --output VGA --mode 1024x768", where you substitute "1024x768" with the resolution of your LCD display (LVDS).
- Voilá! VGA output is enabled and you're ready to give a great presentation.
For more information, see the X intel driver's homepage. It also has a tutorial on how to setup a dual-screen environment.
About the function keys: Unfortunately, it is not possible to capture Fn+F5 to run the xrandr-related magic automatically. It tried finding out the appropriate event using xev, but to no avail. Thus, for now, you're stuck with the command line.
Hope this helps you to enable you VGA and give a good presentation, watch a cool movie, or use a dual-screen environment.
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