Changed resolution, now screen doesn't work?

[almir.a...@gmail.com]

I changed the resolution of my Qubes from 1920x1080 to 1600x1200 (by accident) and now my screen doesn't show anything when I choose HDMI2 (my desktop PC is attached to the screen with an HDMI cable). Setting the resolution to 1280x1024 worked fine, but as soon as I set it to 1600x1200 and clicked "apply" my screen turned black and now all it does is say "no signal" and I can't see anything on the screen to set it back to 1920x1080. How do I go about solving this?

Thanks.

[almir.a...@gmail.com]

On Monday, May 1, 2017 at 6:51:51 PM UTC+2, almir.a...@gmail.com wrote:
> I changed the resolution of my Qubes from 1920x1080 to 1600x1200 (by accident) and now my screen doesn't show anything when I choose HDMI2 (my desktop PC is attached to the screen with an HDMI cable). Setting the resolution to 1280x1024 worked fine, but as soon as I set it to 1600x1200 and clicked "apply" my screen turned black and now all it does is say "no signal" and I can't see anything on the screen to set it back to 1920x1080. How do I go about solving this?
>
> Thanks.

I know of a potential solution but then I need help from someone on here.

What you can do is shut down all your windows and left-click the Qubes icon (at the bottom left/top left) then solely use your keyboard to navigate to the Display settings and change resolution. Then send me the exact keyboard strokes you pushed (for example down arrow 2x, right arrow 1x, down arrow 8x, tab 4x etc.) so that I can mimic them and ultimately change my resolution back to 1920x1080.

Thanks in advance!

[almir.a...@gmail.com]

On Monday, May 1, 2017 at 6:51:51 PM UTC+2, almir.a...@gmail.com wrote:

> I changed the resolution of my Qubes from 1920x1080 to 1600x1200 (by accident) and now my screen doesn't show anything when I choose HDMI2 (my desktop PC is attached to the screen with an HDMI cable). Setting the resolution to 1280x1024 worked fine, but as soon as I set it to 1600x1200 and clicked "apply" my screen turned black and now all it does is say "no signal" and I can't see anything on the screen to set it back to 1920x1080. How do I go about solving this?
>
> Thanks.

Literally just had to reboot it.

[cooloutac]

Are you using xfce? I have a problem on mine after I do:

click Qubes icon, down arrow 3 times, right arrow once, down arrow 8 times, and press enter for display settings. I can't tab in the dom0 display window. Can't figure out what do from there man sorry. maybe someone else can help.

If i hit spacebar it highlights my monitors name but I don't know how to get to the resolution box.

[cooloutac]

lol

[Manuel Amador (Rudd-O)]

Isn't it easier to launch a terminal using the xfce minicli key combo,
then using xrandr to set the right resolution?

--
Rudd-O
http://rudd-o.com/