There are several different methods to activate support for an
external monitor (or beamer, or overhead display):
as a BIOS option or during
runtime with a keystroke e.g.
(for my HP OmniBook 800 it's
Note: You should turn on the projector first and wait until it's fully initialized before you turn the laptop on. If you have to toggle the signal at the VGA port (remember the keystroke above!) give the projector some seconds to catch the new signal. In other words don't toggle to fast.
For NeoMagic chipsets you have to edit
see /usr/X11/lib/X11/doc/README.neo (SuSE) or
3. Technical Notes ... o Enable both internal "intern_disp" and external "extern_disp" options to get simultaneous panel/CRT support. ...
If you can't get this to work with XFree86, try a demo version of the commercial X servers mentioned above.
If you have lost the specs of your monitor you may try: Monitorworld.
i810switch(http://vorlon.cwru.edu/~ames/i810switch/) is an utility for switching the LCD and external VGA displays on and off under Linux. It was originally written by Antonino Daplas, and is now maintained by Ken Mano (mano at agate.plala.or.jp).
|3M||MP8620, MP8640, MP8730||SVGA/XGA, S-Video|
|COMPAQ(http://www.Compaq.de)||MP 1600||600 ANSI Lumen, 1024x768, weight < 2kg|
|Hitachi||CP-X960||XGA, S-video, USB, 1024x768|
|LG Electronics(http://www.lge.com)||LP-XG2||XGA projector, compatible with the usual TV formats|
|Liesegang||ddv 1111 ultra||XGA, 1024x768, 1700 ANSI Lumen, works fine|
|SONY||VPL-PX1||XGA, 1024x768, 1000 ANSI Lumen|
|Toshiba||Mediastar TLP 510/511||VGA-, SVHS- Video IN and OUT, NTSC, PAL and SECAM IN, 600 ANSI Lumen, 1280x1024|
|Toshiba||Mediastar TLP 410/411||VGA-, SVHS- Video IN and OUT, NTSC, PAL and SECAM IN, 500 ANSI Lumen, 1024x768|