[xubuntu-users] configure Radeon video card for two screens

uteck theuteck at gmail.com
Fri Oct 19 14:50:06 UTC 2012


I installed the propriety ATI driver on my wifes machine so I could
configure both screens to something other then cloning the main
display.  Then I had to go into the ATI control, in the Accessories
menu I think, then make the changes there.

On Fri, Oct 19, 2012 at 9:41 AM, Wybo Dekker <wybo at xs4all.nl> wrote:
> Hi, I have replaced my video card with an ATI Cedar PRO Radeon HD 5450
> and attached two identical screens to it. I also installed fglrx. But my
> two screens show the same image.
> When I try to configure my display (Settings Manager -> Display) I see
> two identical screens, DFP1 and DFP2, both with `Use this output'
> checked on, but both screens show the same image.
> When I compare ~/.config/xfce4/xfconf/xfce-perchannel-xml/displays.xml
> with the one on another (working) two-screen computer, the latter has an
> entry:
>  <property name="MinimalAutoConfig" type="empty">
> which is missing in the other machine.
>
> What can I do to tell my machine that it has two screens and that it
> should combine the two to one big screen?
> (Window-7 works does so!)
> --
> Wybo
>
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