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.

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255 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 ...
2
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196 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 ...
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108 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
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0answers
112 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
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1answer
241 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 ...
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0answers
85 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 displays,...
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0answers
355 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 ...
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1answer
629 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
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0answers
90 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 ...
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0answers
145 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 ...
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0answers
262 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
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1answer
105 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 ...
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2answers
9k 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 ...
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0answers
30 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
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1answer
640 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 ...
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1answer
119 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
2k 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
59 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 ...
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0answers
81 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 ...
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0answers
53 views

X, mouse, and multihead: mouse only reaches part of second display

I'm running my laptop with an external monitor. The laptop's built in monitor and the external monitor have wildly different DPI, so I scale the external monitor to match the DPI of the internal one: ...
2
votes
1answer
1k 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 ...
2
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1answer
230 views

XRandR script runs correctly from command line, fails as cron job

I'm running LXDE on Fedora 21. My script's purpose is to extend the display across two monitors: #!/bin/sh xrandr --output VIRTUAL1 --off --output LVDS1 --mode 1440x900 --pos 1280x124 --rotate normal ...
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0answers
17 views

XRANDR showing two inputs instead of 1

VGA1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.0* 800x600 60.3 56.2 848x480 60.0 640x480 59.9 HDMI1 connected (...
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2answers
1k 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 ...
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0answers
5k views

“xrandr: Failed to get size of gamma for output default” for Guest CENTOS 6.6, HOST OS Windows 7 enterprise

I am getting the following errors: xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm ...
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1answer
240 views

Xrandr --addmode not working and the system fails to use the nvidia X driver

xrandr --newmode "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync +vsync xrandr: Failed to get size of gamma for output default xrandr --addmode Screen 0 "1280x1024_60.00"...
2
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1answer
151 views

xrandr not activating laptop display

I my Toshiba Satellite laptop is usually connected to an external monitor when I'm at home. Disconnecting the monitor does not restore my laptop's display; I have to manually enable my laptop's ...
1
vote
1answer
706 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 ...
2
votes
1answer
695 views

Can I scale my HiDPI laptop display while leaving my external display unchanged?

I have a Chromebook Pixel 2, which has a HiDPI screen. My external monitor has the same resolution in width, but only about half the pixel density. I use Gnome's scaling settings to make things look ...
1
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0answers
68 views

Have 1920x1200 and 1024x1280 monitors combined to 2944x1200. How to use the 80 unused lines of screen area on the 1024x1280?

The left monitor native resolution is 1920x1200 in landscape mode. The right monitor native resolution is 1280x1024 but rotated to portrait mode, so 1024x1280. Because the mouse would get trapped in ...
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0answers
48 views

Run script after changes in X server geometry

Is there an option to run a given script after the X server geometry is changed (or every invokation of xrandr)?
2
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0answers
209 views

Using xrandr when starting new xserver

I'm trying to set the resolution and refresh rate of a screen when i launch an application on a new xserver. The xrandr commands i usually use to get this screen to work are: xrandr --newmode ...
2
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0answers
305 views

Modeline for Dell U2415 1920x1200 resolution

I'm trying here to run my secondary display (U2415) on the native resolution 1920x1200. Xrandr unfortunately reports only 1920x1080, which is not satisfactory. $ xrandr Screen 0: minimum 8 x 8, ...
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0answers
186 views

Change screen resolution without monitor under Linux?

I got a GUI program which will be executed along the OS (CentOS 6.6) boots. The resolution configuration is programmed in the init part of the GUI program, my solution right now is get the resolution ...
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0answers
98 views

Display issues: Xrandr, uncaimed monitor, non-existent external monitor

I'm not sure exactly what the issue is here, it's manifesting as a few things. I can't change the resolution of my monitor. Neither flux not redshift can change the display colour balance. I'm have ...
1
vote
1answer
393 views

Centos inside Virtualbox — how to set custom resolution?

I have Centos inside Virtualbox. I need custom resolution for my screen. I run xrandr as proposed on the net. New resolution appears in the dropdown. But it doesn't work. Virtualbox addons are ...
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0answers
143 views

Controlling multiple displays with debian

I have installed DEBIAN 7.8 in N2600 board. "http://www.jetway.com.tw/ru/ipcboard_view.asp?productid=939&proname=NF9C-2600/2800" . On the installed system, we were trying to connect multiple ...
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0answers
143 views

dzen2 how to detect actual resolution and number of monitors

I use dzen2 with xmonad like this on my laptop: h <- spawnPipe "dzen2 -fn fixed -x 0 -y 800 -h 21 -w 1280 -ta l -fg '#ffffff' -bg '#663300' -e ''" However there are some problems with it. If ...
1
vote
1answer
214 views

xrandr clone monitor autodetect resolution

I want to write a script to clone my current desktop to another monitor, but I can't get the second monitors resolution to be set to the resolution of the primary monitor. How can I automatically set ...
1
vote
1answer
1k 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 ...
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0answers
205 views

Xrandr debian black screen when changing resolution

Impossible to change the resolution on wheezy to 1920x1080 I'm stuck and I'd down a bit as 1360x768. At the beginning in nvidia-settings i only had the choice to 1920x1080, after adding: Option "...
3
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0answers
37 views

How to set VertRefresh without restarting X?

Suppose a second monitor is attached to a running system, and the video driver has some trouble getting this monitor's EDID to get its limits of operation. The monitor has a native resolution of ...
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0answers
1k views

Turn off mirror display on startup on Elementary OS

I'm running Elementary OS Freya Beta 2 with dual displays. I added some xrandr commands to run at startup so the monitor I want is the primary monitor and that the dock starts on the right monitor. ...
1
vote
1answer
93 views

Why does querying xrandr briefly freeze the screen?

Every time I run xrandr --query my screen freezes very briefly. It's enough to be jarring if I'm watching an animation or a video -- which sucks, because I have a script querying xrandr every 3 ...
3
votes
1answer
1k 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 ...
2
votes
1answer
765 views

Stretch window over two monitors with “gap” in between

I have a dual monitor setup with Compiz as window manager on Ubuntu 14.04. I can resize a window to stretch over both windows. However, while the physical display panels are a few centimeters apart, ...
2
votes
1answer
429 views

Dual Monitor mode in XFCE not working with xrandr

I am using Manjaro with XFCE on a laptop (Thinkpad x240). I have a docking station (Thinkpad Ultra Dock) with a monitor connected and that works like a charm. Today, I received my second monitor and ...
0
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0answers
232 views

Custom xrandr settings fail on restart of mdm

I have a AMD Oland Radeon HD 8570 / R7 240 OEM GPU and a Viewsonic VG2437mc-LED monitor. Initially I couldn't get anything more that 1024x768 out of this setup until I found the following solution. ...
0
votes
1answer
195 views

Can't get my secondary monitor to power on in X11

I have an ATI HD5770, connected to 2 monitors(DVI and DisplayPort). When booting up ArchLinux the TTY display is duplicated between the two monitors as excepted, but when starting the X server(Awesome ...
6
votes
1answer
1k views

Why is laptop screen called eDP1?

In my new laptop, using i915 and the intel driver of Xorg, the laptop screen is called eDP1 in Randr $ xrandr eDP1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm ...