Hi David
I wasn't actually aware system-config-display had disappeared until you
mentioned it. But this is the process I would suggest you start out with
At any time but preferably before you have bought the new card research its
Linux Support. When doing this please don't assume just because I works in
one distribution it will work in another. Specifically look at its CentOS
/ Red Hat support. If you are not sure where to start with this then I
personally recommend Nvidia or ATI cards. This will lead some people into
the debate about whether you should or shouldn't use drivers that are not
open source. I am not going to say what you should do in relation to that
debate but for myself I simply balance how simple I want things to be
versus what functionality or performance do I need.
As to a process try this:
1. Check if the file /etc/X11/xorg.conf exists on your system. Assuming it
does make a backup of it
2. Install your new card ensuring that the old one is disabled or removed
3. Boot into runlevel 3
4. Remove /etc/X11/xorg.conf
5. Use startx to manually start an X session. This hopefully will give you
a X environment you can use that may need some tweaking.
6. Assuming the last step has worked reboot into runlevel 5 as normal. (
If this fails remember you can always go back to runlevel 3 to help
diagnose issues as needed )
If step 5 fails then I would suggest you let us know what card specifically
you are dealing with.
The only cards I would definitely avoid are those that use the intel driver
Hope this helps :)
On Sun, Feb 24, 2013 at 8:33 AM, David McGuffey
<davidmcguffey@xxxxxxxxxxx>wrote:
> I want to add a new video card that will drive multiple monitors.
> Current installation of CentOS 6.3 x86_64 is working well with the hdmi
> output of the motherboard.
>
> Once I install the new video card, how do I force 6.3 to discover and
> configure it? Seems with 6.0 and newer, system-config-display is gone
> and replaced with a combination of udev and xrandr. I'm not familiar
> with these and don't want to mess up a working system. Tips/pointers to
> some decent guidance/how-to docs would be appreciated.
>
> DaveM
>
>
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