Dual screen

[sander...@gmail.com]

Hi People,

I'd like to ask how i can configure my Qubes-OS to use two monitors.
I did connect two monitors to my PC but now I have two monitors with exactly the same content on it (Mirror).

How can i disable the mirror function so that i can use two monitors?

Greetz,

Sander

[erikmunk...@gmail.com]

If you haven't discoered it already, simply click on the Qubes menu. In there should be an addiotional menu with a lot of computer control-panel like category settings.
Find the one called Display, remove "Mirror" marker and then arrange the screens to your liking (Drag and drop the screens to make them fit), and then hit apply.

Tip: Be mindful of the disvocering new screens feature. Under certain conditions it'll scramble your display layout and you have to re-do it again. In my personal experience I found it helpful to keep it off if you ever shutdown some of your screens between boots/restarts. I.e. if you use a KVM switch or similar. If you never change power on your screens while Qubes boots/restarts, then this feature shoudln't be a problem to have enabled.

[Mathew Evans]

change settings with xrandr or gdk-screensettings.

[Jean-Philippe Ouellet]

On Mon, May 15, 2017 at 2:13 PM, Mathew Evans <mathew...@gmail.com> wrote:
> change settings with xrandr or gdk-screensettings.

gdk-screensettings is not installed in dom0 by default,
xfce4-display-settings is, and is the program launched from the Q menu
as described by erikmunkandersen.

[Mike Freemon]

On 05/15/2017 01:13 PM, Mathew Evans wrote:
> change settings with xrandr or gdk-screensettings.

Agree. On my hardware, I found that xrandr worked well, and
xfce4-display-settings didn't. See:

https://groups.google.com/forum/#!msg/qubes-users/DkTLbWxIkQI/UxR-X6RZAAAJ

[Slideshowbob]

arandr works (mostly) fine for me (needs a qubes-dom0-update arandr first). Could never figure out the args for xrandr :).

[qubester]

On 05/14/2017 09:24 PM,

I had same problem, finally it just automagically solved itself I have
HDMI and DisplayPort connections to my 2 monitors, FWIW.

What do you have ?