[lug] multi-monitor question - sw part

Andrew Hoffman sixgod at gmail.com
Wed Dec 8 09:23:51 MST 2010


what computer hard ware are you working with? and is it nvidia and intel
graphics.
fact, laptops with dual video on the docs will allow you to use only 2
screens at once in any combination of external and laptop screen.

On Wed, Dec 8, 2010 at 9:08 AM, Davide Del Vento <davide.del.vento at gmail.com
> wrote:

> Hi,
>
> > Davide, try disabling the laptop display and let us know what happens.
>
> This did the trick. Well, almost: now there is the software part
> that's blocking me (thus I changed the subject).
> What happens is that, explicitly turning off the laptop screen (it was
> already off because of the lid being closed), makes turning on the
> second screen possible. Now the problem is that in this setup,
> Ubuntu's (or is it just gnome's) resolution change app does not let me
> move the screens at will (it does if I have only the laptop screen and
> another monitor hooked).
> So the monitors are stuck in a clone status even if I don't click the
> clone button, because they cannot be moved from the same virtual
> coordinates.
> Oddly, nothing changes in xrandr.
> Later today I'll try a Ubuntu 10.04 live and a Fedora live to see if
> they behave differently.
>
> Thanks,
> Davide
>
> > Also: Search the internets for people using the specific setup you've
> > got with Linux and see what they say.  This might be an issue that will
> > require model specific work to enable, but it should work, so keep
> > trying.
> >
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