xrandr 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.

learn more… | top users | synonyms

12
votes
1answer
683 views

How to modify the default setting adopted by xrandr when connecting an external monitor?

I am confronted with a problem when connecting the external monitor while the computer is open. At that point it seems that xrandr adopts one of the combinations that do not work. As a workaround to ...
2
votes
0answers
14 views

Dual monitor setup with xrandr: extending without/with disabled scrolling

This is not a question, but rather a work around for a problem under Ubuntu, I encountered. Setup: Given a laptop screen (e.g., "LVDS-1-0") and a second screen (e.g., "DP-1") with the second screen ...
4
votes
1answer
3k views

Switching on virtual display outputs using xrandr

Simply put, is there an inverse to the following command?: xrandr --output VIRTUAL1 --off This command cuts off my virtual display output to my external monitor, but I would like to reinitialize my ...
3
votes
0answers
10 views

Why I need a framebuffer size larger then monitor size when transform destination area is smaller

I tried to remove 100px left & right the top of a 1366x768 screen (as below) using xrandr transformation. But I got an error about not enough framebuffer size. $ xrandr --output LVDS1 --fb ...
11
votes
3answers
473 views

Laptop VGA Output Randomly Changes Name Between VGA1 and VGA2

Periodically (every few reboots by the look of it) my external VGA output on my Laptop changes name between VGA1 and VGA2. For example right now xrandr is displaying: timp@helez:~$ xrandr | grep VGA ...
36
votes
11answers
15k views

A tool for automatically applying RandR configuration when external display is plugged in

is there a tool which enables one to: remember current RandR configuration (position, orientation, resolution etc) on per-monitor basis, automatically apply last known good configuration as soon as ...
3
votes
1answer
856 views

How to setup x11 touchscreen in linux desktop?

I am using opensuse desktop with two screens, top and bottom. Only the bottom screen is touchscreen, which is USB touchscreen. Both monitors are used as a single screen. I tried to configure the touch ...
4
votes
0answers
133 views

xrandr detects amplifier as monitor

To help with setting up multi-monitor X I'm using a simple script to get screen resolution information using xrandr. This was working fine until I tried attaching an amplifier to attempt to use HDMI ...
7
votes
2answers
11k views

How to get EDID for a single monitor?

Pending an answer to xrandr detects amplifier as monitor a possible workaround is to blacklist devices with specific EDIDs. Unfortunately xrandr --verbose prints everything in a format which is ...
0
votes
0answers
16 views

Wrong monitor size

When I run xrandr it shows me that my monitor has 640mm x 360mm but in fact it has 920mm x 522mm. My desktop doesn't fit into monitor display. How can I set correct monitor dimensions?
0
votes
0answers
12 views

Is it possible to move content of screen?

I connected old Philips TV to my computer. It works but what I see on it is shifted to the right. So on the left I have black gap and on the right some part of my desktop is out of screen. Can I ...
1
vote
1answer
670 views

Intel HDMI monitor not recognized

The problem I've got two graphics cards in my computer: Nvidia GTX 580 Intel Graphics (onboard) The Nvidia part is working fine: plugged in a DVI cable to my monitor and everything works ...
3
votes
0answers
20 views

i3 and vmware: How to detect resolution change and set current res to the new res change?

I am using vmware to run arch linux. I have setup i3-gaps and everything is setup correctly while using lemonbar, however, my only problem is that lemonbar is set for the current resolution. When I ...
1
vote
0answers
37 views

Making XRANDR settings permanent

GNOME 3 Gnomebuntu - 15.10 I have an Intel NUC i3 6th gen and a 4k monitor with 32GB of ram. If I type the command xrandr after doing "xrandr -s 4096x2160" Screen 0: minimum 8 x 8, current 4096 x ...
2
votes
0answers
42 views

Is it possible to configure a 'scaled' desktop in xorg.conf similar to using xrandr's scale-from option?

I have a 14 inch ultrabook with a resolution of 2560x1440. I currently run Gnome 3.16 in HiDPI mode with a scaling factor of 2. Since I'm unable to specify a factional scaling factor, like 1.5, I've ...
0
votes
0answers
34 views

Cannot modify screen resolution in Debian with a LSB init script

my computer operates with 1600x900 resolution, which is not among the default screen configurations of my Debian installation. In order to have the right resolution after booting up I tried to create ...
0
votes
1answer
1k views

Xrandr does not recognize newmode option

I was trying to modify the screen resolution using xrandr. I used the following command. xrandr -s 1680x1050 It returned an error. size 1680x1050 not found in available modes I figured I have ...
2
votes
0answers
36 views

How do I write a Bash script to autoadjust the screen resolution of Enlightenment 20 running under VirtualBox?

I have noticed that VirtualBox guest additions fails to autoadjust the screen resolution of Enlightenment 20 on a few different platforms (including Arch Linux, Lubuntu and openSUSE Tumbleweed), see ...
5
votes
4answers
14k views

Mirror dual monitors with different resolutions

I use the following xrandr command to mirror my 17" laptop with a 27" external monitor, so I can use it to do presentations: xrandr --output LVDS1 --mode 1600x900 --output HDMI1 --mode 1920x1080 ...
0
votes
0answers
26 views

Ubuntu - Xrandr doesn't change my resolution

I'm trying to change my resolution using xrandr command line but when I type in a terminal xrandr --output LVDS1 --mode 1600x900_60.00 (which I added using --addmode), it doesn't change my resolution ...
2
votes
0answers
106 views

Arch linux DisplayPort external monitor not working

I got a problem with my secondary monitor (1680x1050) on Arch linux. When I connect my external monitor to HDMI it works fine, but when I connect it to DisplayPort (I tried it also on windows, works ...
0
votes
2answers
271 views

2560x1440 resolution over HDMI with a laptop with NVIDIA Optimus and Ubuntu 15.10

I attached a new 2560x1440 display (Dell P2416D) with HDMI to my dual-booting laptop (Asus N56VJ) that has NVIDIA's dual-GPU technology. In Windows 8.1 I got the display to run with its native ...
2
votes
1answer
32 views

Is it possible to have xrandr in different modes based on workspace?

Is it possible to have xrandr at --right-of the screen in workspace1 and --same-as at workspace2? (I'm using openbox) If you interested why i want to do this: I'm having a presentation and i need to ...
0
votes
0answers
15 views

“--scale 2x2” in xrandr causes the monitor to not display anything

I've got a 4k external main monitor and I'm trying to connect a 1680x1050 external monitor to the left of it. I've tried using: xrandr --output HDMI-0 --scale 2x2 --pos 0x0 --fb 7200x2160 ...
1
vote
1answer
85 views

xrandr: cannot find mode on startup

I want to configure my 2 external screens of my laptop on every startup. Because I have a kind of dockstation I wrote a small script which retrieves whether my laptop is connected to the dock or not. ...
0
votes
0answers
54 views

How to show display device names in xrandr?

My Xorg.0.log contains display device names like DFP-0. xrandr shows output names like HDMI-0. Can xrandr also show the "display devices names"?
1
vote
0answers
116 views

xrandr only lists mode after a while of waiting

I've installed arch linux a while ago on my laptop and everything worked fine. The issue I've been facing since two weeks or so (most certainly related to an update) occurs when login with external ...
0
votes
1answer
126 views

Black screen when logging into desktop

On Kubuntu 15.10 I receive a black screen when logging in via the Display Manager. I can use Ctrl-Alt-F6 to log into a text console and see my files, but even in that environment when I type startx ...
1
vote
0answers
96 views

xrandr won't recognize HDMI

System Spec OS: Debian 8 Jessie Computer Model: ASUS G46V Laptop Graphics Card: Nvidia Geforce GTX 660M (This only seems to be an issue with my nvidia systems) Current Video Drivers: Nouveau ...
1
vote
1answer
87 views

Trim monitor output (because of dead pixels)

I searched a lot and finally came here to ask my question. Recently my screen got damaged and now has some rows of dead pixels. They are located at the very top of the screen and making it very ...
0
votes
0answers
51 views

xrandr command very slow in Debian [solved]

I use xrandr command to get multi-screen resolution, but in Debian, it will take more than 2 seconds. However, in Ubuntu it returns immediately. How can I improve the behavior of xrandr command in ...
2
votes
0answers
56 views

X11 - multiple monitors visible as one monitor

I have three monitors which are configured in xorg.conf this way: Option "metamodes" "DFP-4: 1920x1080+0+0, DFP-5: 1920x1080+0+1080, DFP-6: 1920x1080+0+2160" Is it possible to set two or even three ...
0
votes
1answer
71 views

nvidia-settings -load-config-only does not seem to restore saved monitor position settings

Using nvidia-settings I am able to get my external monitor correctly positioned to the right of my laptop just as I like. However, when I reboot, restart X, and login I find I am back to where I ...
1
vote
1answer
850 views

hdmi not showing up in xrandr

Everything used to work until recently. Now, whenever I connect my HDMI monitor to my laptop nothing happens. Running xrandr doesn't show the HDMI output. Can anyone help out? I've been trying to fix ...
1
vote
0answers
150 views

Enabling triple-head setup with two Nvidia GT730 (Ubuntu)

After installing a second Nvidia GeForce GT730 in the hope of overcoming a single card's limitation of only being able to support two monitors, I still cannot get a 3rd monitor working. I keep the ...
0
votes
0answers
47 views

Why isn't disper working in Manjaro Linux?

I want to use the disper utility to cycle displays in Manjaro Linux the way I do in Ubuntu-based distros. Disper is present in AUR and installs without difficulty. disper --list should list ...
0
votes
1answer
357 views

“cannot find crtc for output VGA-0” from xrandr

Trying to connect a 3rd monitor to my desktop, I cannot activate it. I connect it with a VGA to HDMI adapter (the monitor is VGA, but the only slot left for it in the box is HDMI. I get cannot find ...
2
votes
0answers
42 views

Creating a virtual X11 output with Nvidia driver

I'm attempting to follow this guide to extend the desktop on computer A to computer B by creating a virtual output on computer A and using vnc to display the virtual output on computer B. The ...
1
vote
0answers
131 views

How tell xrandr to let my mouse move between monitors?

I have both an internal and external display which I'd like to pass my cursor over. When I start the computer with the external connected, my display manager starts with the wrong DPI, and I have to ...
1
vote
0answers
69 views

How to inform Xorg about a resolution I have already set?

I'm trying to get my Banana Pi Pro to switch between 1920x1080 and 1280x720 resolutions on an HDMI screen. Both resolutions work fine if I set them in uEnv.txt: disp.screen0_output_mode=1280x720p60 ...
3
votes
1answer
478 views

xrandr: where does VIRTUAL1 output come from?

Executing xrandr shows me the outputs my graphics card has, but also a VIRTUAL1 one: $ xrandr Screen 0: minimum 8 x 8, current 4160 x 1024, maximum 32767 x 32767 eDP1 connected 1600x900+0+0 (normal ...
5
votes
2answers
2k views

How to set custom resolution using xrandr when the resolution is not available in 'Display Settings'

I'm a new Linux user trying to change the screen resolution as there is no option under display. I have successfully managed to add new resolutions by fluke by following online guide. I don't have a ...
1
vote
0answers
29 views

External monitor script has become unreliable

I have been using the following udev rule and bash script to automatically configure my external monitor for some time now, however recently the script has become unreliable, usually doing the ...
0
votes
1answer
308 views

Mirror screen with 2 different resolution displays, -with borders on larger resolution screen?

Help. The TV I'm trying to use as a monitor has overscan issues, it overscans both 1080p and 720p resolutions. For my use, I'd rather have borders compared to a cut off screen. I'm trying to get ...
0
votes
1answer
80 views

Dual touch screen system - how to open application in another monitor?

So I have dual touch screen system and I have mirrored the display output be the same in both displays. But now when other touch screen is being used I would like to open this other application on the ...
2
votes
1answer
591 views

How to set scaling mode for external displays on intel GPU

I can set the display scaling mode for the internal laptop panel with: xrandr --output LVDS1 --set "scaling mode" "Full aspect" This however does not work for external displays (DP1, VGA1, DP1) ...
1
vote
1answer
46 views

Only one display mode for my monitor

I am running Debian 8 on a Toshiba Satellite laptop. When at home I connect my laptop to an external monitor through an HDMI cable. My laptop's monitor has recently stopped supporting any display ...
1
vote
1answer
507 views

xrandr --listproviders does not detect nvidia

I'm trying to configure 'Offloading Graphics Display with RandR 1.4' but xrandr detects only Intel video card: $ xrandr --listproviders Providers: number : 1 Provider 0: id: 0x45 cap: 0x2, Sink ...
1
vote
0answers
47 views

Can't set xrandr brightness and gamma correctly

What is wrong? $ xrandr --output HDMI-1 --gamma 0.6:1.0:1.6 --brightness 0.76 $ xrandr --verbose | sed -n '/HDMI-1/,/Brightness/p' HDMI-1 connected 1920x1080+0+0 (0x6c) normal (normal left inverted ...
1
vote
1answer
446 views

xrandr issue when panning second monitor

I'm using Linux Mint Cinnamon on a macbook (with HiDPI display), the primary monitor looks great but the second one (which is not an HiDPI monitor) is terrible... by using xrandr I forced it to scale ...