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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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 ubuntu-wine ppa) leaves me with the following when I run…
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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 is required at least
quill
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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't load/work with RandR. Because whenever I try…
Itchy
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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 48.0.2564.116 Ubuntu 14.04 I am serving a Flask web…
zabumba
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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 the current 295 version for the 3.4 kernel with the…
pablomme
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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 needs matrix coordinates and I'm lost. There's a…
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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. So far I have managed to set up the two DP…
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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 main screen as it has my desktop icons and task…
Peter Raeves
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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, because I could not fix the problem by…
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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 following script: sudo apt-get install…
noone
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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?
TellMeWhy
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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 to change VGA outputs between my 1680×1050…
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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 1360x768+1280+0 (normal left inverted right x axis y…
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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.
jirislav
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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: Thanks to Jim Gettys who wrote most of the…
TellMeWhy
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