Dual Head, Xinerama, and brightness

Gary Jarrel garyjarrel at gmail.com
Tue Jun 28 00:02:59 UTC 2005


I've been on dual monitor config under ubuntu both warty and then
hoary for quite some time now. If you want to have 2 separate
resolutions on each of the monitors (which is how I've set it up) you
can do so, only you will not be able to drag windows from one monitor
to the other. If you want the draging functionality then you'll have
to stick with the same resolution on each monitor. Well at least this
was the case when I was configuring it about 8 months ago.

There were a couple of threads on this maybe two months ago and quite
extensive so have a search for them, if you want a copy of an
xorg.conf file, then feel free to mail me and I'll post it. No point
in sending it to the list for the 2nd time (keep in mind that I'm
running an ATI card though)

- Gary

On 6/28/05, Daniel Cross <dcross at woosh.com> wrote:
> Oh, what I meant was, I have to have both at a depth of 16, if I have both at a depth of 24, then on my second monitor the picture is cut in half and only the top half is visible (note this is not squashed but actually cut)
> 
> Glad to see I'm not the only one with the brightness issue.
> 
> - Daniel
> 
> -----Original Message-----
> From: ubuntu-users-bounces at lists.ubuntu.com [mailto:ubuntu-users-bounces at lists.ubuntu.com] On Behalf Of Luis Murillo
> Sent: Tuesday, 28 June 2005 10:37 a.m.
> To: Ubuntu Help and User Discussions
> Subject: Re: Dual Head, Xinerama, and brightness
> 
> On Tue, 2005-06-28 at 09:52 +1200, Daniel Cross wrote:
> [...]
> > 1) I have to run the screen depths at 16.  If I run at 24 the 17¡ only
> > displays the top half of the display.
> 
> unlike Windows, which can handle different resolutions on each monitor,
> Linux can't do the same. As to what I've heard it's xinerama's fault ;)
> 
> > 2) The brightness of this screen is horrible.  I have the brightness
> > up 100% on the monitor, but it is still very dim.
> 
> I too have this problem, I have the brightness and contrast to 100% but
> colors are not what they should be. The darker stuff, such as the
> wallpaper and gkrellm, tends to get darker when there's something
> brighter, like a white page in abiword or evolution.
> 
> I have a nVidia GeForce MX4000 and my resolution is 1024x768x24. I've
> tried to modify the settings on the nvidia-settings but got the same
> results :(
> It's hard to watch a movie in these conditions. If anyone knows how to
> fix this, please help
> 
> [...]
> --
> Luis Murillo M.
> lmurillo at gmx.net
> Heredia, Costa Rica
> 
> GPG KeyID: D66B35FD
> gpg --keyserver pgp.mit.edu --recv-keys D66B35FD
> 
> 
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