Dual Monitors Ubuntu Jaunty

[Dazed_75]

On Thu, May 28, 2009 at 6:46 PM, Mike Hoy <mhoy06 at gmail.com> wrote:

> I set up Juanty on my laptop and decided to hook up my 22" monitor
> (widescreen). It's nice to have a larger viewing area but the screen
> resolution for the 22" monitor is exactly the same as the laptop 1024x768.
> I'm not that well educated on screen resolutions and video cards/drivers so
> I have to ask: Is there a maximum screen resolution that a video card will
> support or can I force it to a different resolution for the 22" monitor?
>
> In windows the laptop maxes out at 1024x768 so that alone is telling me
> that the card cannot do any higher. Any help appreciated.
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Every display card/chip set has a variety of resolutions it can support.
Every display/monitor also has a set it can display.  When an OS is
installed and, for some, each time they start up it determines what
resolution to use.  Basically it will be either what it determined
previously was what it should use or some resolution common to both display
card and monitor.

So the basic answer to your question is that 1024x768 is an answer for bath
hardware components.  But sometimes that is just because the OS does not
undertand the hardware which might be too old or too new for the
combination.

If your stuff is reasonably modern, there are commands you can use to ask
the card and the monitor(s) what they are capable of.  Sorry I do not
remember the latest one.  ddcprobe (or xresprobe?) used to be good but it
has been upstaged by something more modern.

You might check some log files looking for that kind of information.  I know
I have seen it but am not sure if it was in an xorg log file or some kind of
bootup log.
-- 
Dazed_75 a.k.a. Larry
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