[Wylug-help] Ubuntu screen resolution incorrect

Craig Hopkins jha4coh at leeds.ac.uk
Tue Jan 9 16:32:48 GMT 2007


Hi Tim,

Have you checked that Ubuntu is correctly identifying your card? I don't 
know my way around Ubuntu, but you should have a Display Manager that 
you can su into that will let you choose your graphics card. If it is 
selecting the right one, but still only limiting you to 1024x768, you 
might consider adding the dimensions to your xorg.conf file manually.

Make a backup before you try this, but if you do the following as root:

- load up your xorg.conf file (/etc/X11/xorg.conf)
- look for the section labelled 'Section "Screen"' and within that there 
should be an entry called Modes under 'Subsection "Display"'.
- before the "1024x768" entry add "1280x800" followed by a space. The 
speechmarks are important. The first resolution on the list is the one 
it goes for, so make sure it's *before* the 1024 entry

Hope that helps,

Craig


Tim Jones wrote:
> I've just installed Ubuntu 6.10 on my widescreen (1280 x 800) laptop 
> but Ubuntu is forcing the resolution to 1024 x 768 and doesn't offer 
> the correct resolution as an option. As a result the display is 
> horizontally stretched e.g. circles are shown as oval. Does anyone 
> know how I might go about sorting this out.  I have looked on the 
> Ubuntu wiki but unfortunately the help given is not clear to me as I'm 
> a novice in this area.  I have an Intel Core Duo processor with an ATI 
> Mobility Radeon X1600 256MB graphics card.  Any help is much appreciated.
>
> Tim Jones
>
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