[Gllug] Problem with Monitor and VGA switch

[John Hearns]

your monitor uses EDID - the switch is probably not relaying those signals

http://en.wikipedia.org/wiki/Extended_display_identification_data

Yes you can set a defined resolution in the xorg.conf
However if you look at the 'modes' section for your display you should
see a list
of the resolutions already defined.

You could set screen resolutions using xrandr,
or in my case I use Nvidia cards so I use the nvidia-settings  utility


On 23/01/2012, Ben Whyall <ben at whyall-systems.co.uk> wrote:
> Hi
>
> For Christmas, I got a new monitor and to allow me to work with both my
> laptop and my pc I have it connected through a VGA switch.  I already
> have another monitor shared with a KVM.
>
> When I reboot the machine the monitor connected through the VGA switch
> has a maximum resolution of 1024x768 which suggests to me that the vga
> switch is xstopping the correct identification of the monitor.  If i
> wire the monitor in directly before rebooting or restarting the x server
> I get the proper 1920x1080 by default.
>
> Can I get round this using an X org config or do I need to do something
> else.
>
> Thanks
>
> Ben
>
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