How To Use Monitor Connected To Laptop At Desired Resolution

[Ron Siven]

Craig White wrote:
> On Tue, 2009-02-24 at 21:46 -0500, Robert L Cochran wrote:
>   
>> I have a Dell 1907FP LCD monitor connected to my Dell Latitude E6400
>> laptop via the VGA port on the side. (Too bad it isn't HDMI,  but one
>> can't have everything.) The video card is detected as an 'nVidia
>> Corporation unknown (0x06eb)' by system-config-display.
>>
>> What I want xorg to do is to recognize that there are two displays
>> running: the laptop's native display and the Dell 1907FP, and use each
>> of these displays at the resolutions they can support. Indeed, I want
>> to  be able to connect an external Dell 2407WFP display as well, and
>> have xorg detect which of the two external monitors is being used, and
>> drive the external monitor at the resolution it uses best such as 1920 x
>> 1200.
>>
>> How do I do that?
>>     
> ----
> KDE Kickoff => SystemSettings => Display
>
> don't know the Gnome equivalent
>
> If display was connected and turned on when you started laptop, it
> should be able to detect and offer all possible modes.
>
> system-config-display *might* have created an /etc/X11/xorg.conf file
> which *might* hold you back.
>
> Craig
>
>   
This helped me do what I think you're asking:

http://www.thinkwiki.org/wiki/Xorg_RandR_1.2