Questions tagged [randr]

It is a X Window System extension, which allows clients to dynamically change X screens, so as to resize, rotate and reflect the root window of a screen.

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Where is this ghost output xrandr can't find?

I'm running Ubuntu 20.04. At some point there was an issue with the graphics driver and I ended up using xrandr to add an output manually... There is no longer an issue with the graphics driver but ...
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Login loop after setting to unsopported resolution with randr -s

This is my first day with Ubuntu 20.04. I was researching in google for a feature like AMD virtual resolution and came with randr and tested it. I set it to unsupported resolution, and I got "...
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Can't install BOUT (the book of unwritten tales) on 16.04-64bits

First, the bout.sh is like that: #!/bin/bash EXE_NAME=kAGE BASE_BIN_PATH=./bin BASE_LIB_PATH=./lib BITS=32 #run kAGE LD_LIBRARY_PATH=$BASE_LIB_PATH/$BITS/:$LD_LIBRARY_PATH $BASE_BIN_PATH/$BITS/$...
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Screen upside down after upgrade to 18.04.01

After upgrading to 18.04 my screen suddendly switched upside down, since my Laptop apparently has a rotation sensor. I temporarily fixed it with xrandr -o normal and disabled the gnome rotation sensor,...
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How to change default screen layout on Lubuntu?

I tried to save my arandr settings to a ~/.screenlayout/default.sh path, but that doesn't work.
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How to transform/distort screen?

I have a projector, which doesn't come with horizontal keystone correction builtin, only vertical correction. I've seen that it is possible to do it with xrandr, using the --transform parameter, but ...
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xrandr: randr is missing after installing xorg

I am attempting to run xrandr because online it says you need xrandr to run lwjgl. However, whenever I try running xrandr it gives me the following error: RandR extension missing I tried running the ...
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Trigger a program when X wakes up

I want to perform a task when my computer awakens from suspend, and the task involves xcb-randr. I've tried putting a script into /lib/systemd/system-sleep, but randr isn't available at the time that ...
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VNC Desktop for 16.04 with adjustable geometry fail

I have tried several online solutions, no go. 1) Unity or Gnome attempts give only grey screen 2) xfce4 works but randr extension is not present (it is present & working for Unity) tightvnc ...
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How to make KDE use a screen from xrandr 1.5?

I am trying to set up a 5k monitor with Ubuntu. It has two DisplayPort inputs because the bandwidth is too large for one cable. xrandr 1.5.0 comes with support for multiple monitors and tiling output. ...
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Ubuntu 16.04 Xfce unable to start display setting

Within the screen, going to APPLICATIONS -> SETTING then DISPLAY the response is Unable to Start the Xfce display settings This system is using RandR 1.1. For the display settings to work version 1.2 ...
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How do I start chromium-browser in headless mode? extension "RANDR" missing on display ":99"

Ubuntu $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.4 LTS Release: 14.04 Codename: trusty Chromium chromium-browser --version Chromium 48....
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Questions regarding xrandr

I'm interested in looking into the xrandr source code. I googled xrandr source code, and found this code from Apple's opensource site. Is that all of it? I don't think so, because one comment says: ...
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Do I need to force xorg.conf usage?

My setup doesn't use xorg.conf by default; however I intend to create it in order to use RandR effectively... Do I need to to force usage of xorg.conf or will Ubuntu detect and use it automatically?
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Force xrandr 1.4 usage?

I force enabled xrandr 1.2 with xrandr --q12. How can I force xrandr to version 1.4? I've looked in man for information on doing so, but there isn't anything - xrandr --q14 doesn't work. Any ideas?
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How do I put my laptop as main screen with arandr?

I'm using 64 bit Lubuntu 15.04, I inserted my monitor, opened arandr, activated the monitor and positioned it as shown below. Now the problem I'm having is that my monitor seems to be considered the ...
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8 votes
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How to use Xvfb in Ubuntu 14.04 with/without RandR?

I try to run Unit-Tests with Selenium running Firefox on my Ubuntu 14.04 Server. And I'm using Xvfb as described in this blog to simulate a virtual display to show Firefox in. But Xvfg somehow doesn'...
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17 votes
3 answers
30k views

How Do I Get Rid of "Broken NVIDIA RandR detected, falling back to RandR 1.0"?

My short question is: How do I get rid of the RandR error below, while still using a proprietaty nVidia driver package (e.g. 304) ? The gore follows. A fresh install of wine 1.5 (latest, from ...
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2 votes
1 answer
2k views

How to change the screen resolution of the virtual console on an external VGA?

I've found helpful solutions to randr problems on the regular GUI (Ctrl+Alt+F7) but this question is about resizing the virtual console, which doesn't have good google results. I've been using arandr ...
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2 votes
3 answers
6k views

Wrong resolution for TV connected via HDMI (32LG3000)

I have a LG Electronics 32LG3000 TV. I can't select the right resolution for my TV connected via HDMI. I can select 1360x768 but not 1366x768. The quality on my TV is very bad. HDMI1 connected ...
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742 views

Double screen doesn't work

i can't solve a problem with my screen configuration. I tryed in anher italian forum, but i haven't find a solution. In my configuration i have an nvidia geforce 480x. I'm trying to use 2 screen, ...
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7 votes
1 answer
5k views

Using the RandR-enabled nvidia 302.xx beta driver in 12.04 with a realtime kernel

How can I use the recent beta of the 302 version of the nvidia driver (which finally supports the RandR extension!) with a realtime kernel in Precise? This question contains information on enabling ...
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