Post install dual-head nouveau setup?

Chris Kloiber ckloiber at
Mon May 17 08:02:23 UTC 2010

I did remove the xorg.conf as well as all the nvidia packages from 
rpmfusion and the nomodeset and rdblacklist=nouveau from the grub.conf. 
I then rebooted and the primary head only came back up, but at a very 
low resolution, and using vesa. I then ran system-config-display and was 
unable to do much more than bring the primary head up to about 1024x768 
(or was it 1280x1024?) using the nouveau driver. I could not activate 
the second head at all.

You mentioned xrandr... Last I knew it didn't do much. It must be the 
missing link. If it's required to configure the display it needs to be 
integrated with system-config-display though.


Chris Kloiber

On 05/17/2010 02:20 AM, Peter Robinson wrote:
> Hi Chris,
> On Mon, May 17, 2010 at 6:59 AM, Chris Kloiber<ckloiber at>  wrote:
>> I tried removing the nvidia driver (from F13 RC2 + updates) and installing
>> mesa-dri-drivers-experimental on my dual monitor system. The result was not
>> pretty. I could get one and only one screen up, and not at the 1920x1080 the
>> primary HD display is capable of (connnected via VGA, not HDMI) I could not
>> find any way of adding the second head with system-config-display as there
>> is no "second" video adapter available. I have not found any HOWTO for
>> enabling the second head. Pointers welcome, thank you.
> I use a dual display with my nouveau based laptop + DVI and it just
> worked. The two panels are 1440x900 and 1680x1050. You should be able
> to use the display option from the main menu or alternatively what
> does running xrandr return from the command line? It should return the
> two screens, what they're capable of running, and what they are
> running at. You should be able to do something along the lines of
> 'xrandr --screen VGA-1 --auto --right-of VGA-0' to enable it. When you
> removed the binary driver did you also remoove any of the xorg.conf
> and binary kernel modules. The nouveau shouldn't need any xorg.conf so
> that might be causing issues if  the other driver had one.
> Peter

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