Setting up a second monitor

Antony Gelberg antony at
Thu Apr 20 10:45:26 UTC 2006

Jean Hollis Weber wrote:
> Hi, I'm a fairly new user of Ubuntu and completely new to Linux. 
> Although I have been using computers for over 35 years, I am not a 
> programmer, just a user. :-)
> I am using 5.10 (Breezy?) on a dual-boot Dell Inspiron 510m laptop. I 
> want to use a second monitor as an extension of the desktop. Is this 
> possible? At the moment the second monitor is not displaying anything 
> (no signal at all), and I don't know where to start.
> This setup works fine under Windows, so I know the hardware is 
> compatible. I'm just clueless about setting up the software. If this is 
> written up in the documentation somewhere, a pointer to the right place 
> would be fine. I'm a bit daunted by the volume of available information.

You need xinerama.  This should help for starters.

NB The man command works for many config files as well as programs. 
Hence you may wish to peruse man xorg.conf.

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