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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2
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1answer
16 views

What does the --size parameter of Xrandr do?

After connecting a secondary display by VGA, I tried to change the resolution of that display so it would be closer to the size of my primary (laptop) display. For this, I thought to try the --size ...
1
vote
1answer
77 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 ...
2
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0answers
30 views

How can I get my Optimus-addled NVIDIA card to offer output via xrandr?

I have a laptop that is crippled with NVIDIA Optimus. I'm not greatly interested in saving power so I'd be willing to turn on the NVIDIA chip permanently, but my BIOS does not offer that option. ...
3
votes
2answers
173 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
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0answers
21 views

Automatically change screen resolution when the laptop is plugged on the docking station

My setup: Dell e4200 laptop with debian, 13" screen @ 1280 x 800 Dell docking station with 24" screen running @ 1920x1080 The problem whenever I use my laptop off the docking station it works ...
1
vote
1answer
1k views

Why are these xrandr commands not working?

I wonder what I am doing wrong. It seems that the video card toggles it through the monitors and resolutions by itself so I want to eliminate the options and leave just the ones I use. As you can see, ...
0
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0answers
19 views

NixOS: Screen connected over USB-C stays black

I've got a Dell XPS 13' (9350), with a Dell USB-C to HDMI adapter, connected to a screen. I'm running NixOS with XMonad. The screen (set to HDMI input) shows "no input signal" despite: xrandr ...
2
votes
1answer
563 views

xrandr can't open display in running X session [closed]

My external monitor is periodically flickering and I'm trying to debug it by reducing the refresh rate with xrandr. However, when I run xrandr from within an active X session, the only output is ...
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
62 views

Extension “RANDR” missing on xvfb

My system: $lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty Xvfb: $ dpkg -s xvfb Package: xvfb ...
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0answers
20 views

Why does `xrandr` say I have 3 HDMI and 3 DP ports while I have only one HDMI and one DP?

This is what xrandr shows on my machine: $ xrandr -q Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 8192 x 8192 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 ...
37
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11answers
17k 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 ...
1
vote
0answers
54 views

Black screens using xrandr for multiple displays with HiDPI in Linux Mint

My setup uses 3 Monitors in Linux Mint. Left is a TV, using 1080p, connected via HDMI-0, centered a 4k monitor via DP-1 and the right one is again a 1080p monitor via DVI-D-0. xrandr --output HDMI-0 ...
1
vote
0answers
42 views

Xrandr doesn't scale screen under Cygwin/X and Xming

The preamble: I have a very specific remote X client, that needs fixed resolution. 1280x1024, to say. And my notebook has 1440x900. And Windows aboard. So, the idea is to scale the output of the ...
3
votes
0answers
25 views

Where does Linux vncserver (Xvnc) get the list of geometry possiblities

I have looked through through parts of the code, and the places obvious to me, but I have not found the place that I can add legal geometries for a vncserver that I can set using xrandr. I have tried ...
1
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0answers
35 views

Setting monitor active with HDMI Splitter

I've recently bought a hdmi splitter the splitter is inactive, which means only one screen can be active at a time. It's starting to get frustrating that my tv seems to have a higher priority than ...
0
votes
0answers
19 views

Mouse stuck while moving it to second monitor

I'm having troubles with the mouse moving across my two monitors with Nvidia proprietary drivers. Mouse just doesn't move from the first monitor to the second. (I'm running Apricity OS). I can move ...
4
votes
2answers
811 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 ...
1
vote
1answer
87 views

xrandr rotate left right faild

I have an X1 Yoga with a 14'' WQHD and I want to rotate the screen to use it with the stylus but xrandr fails to rotate. xrandr --output eDP1 --rotate <orientation> works for normal and ...
0
votes
0answers
29 views

xrandr does not set a new resolution (switch back automatically)

I have a Dell Inspiron 15R with a dual-boot Ubuntu 15.10/Windows 7, but the HDMI port broke (it does not appear with xrandr on Linux nor on Windows). So I used a VGA cable but the resolution seems to ...
10
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3answers
11k views

Cannot add new mode in xrandr for external monitor

Today I was trying to connect my second monitor to my notebook. I have: nvidia graphic card 304.43 drivers [support xrandr 1.2] archlinux [up-to-date] awesome wm xrandr 1.3 My problem is with ...
0
votes
1answer
93 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 ...
0
votes
1answer
74 views

Low resolution in Debian

I installed Debian 8.3 LXDE today and I cannot adjust the resolution of my monitor. I have a 1920x1080 resolution, but allows you to install Debian to me only 1280x1024. I tried to make as here: ...
1
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0answers
36 views

Running a unified X display across two separate video cards

I'm trying to set up a triple-head configuration using an ATI X1300/X1550 (RV515) workstation card (ID 1002:7183) alongside my motherboard's integrated Intel HD 2500 (ID 8086:0152). Thus far, my ...
0
votes
1answer
55 views

Trouble with Screen Rotation Script

I am running Antergos linux with Gnome 3.18.2 on a Dell XPS 12 Convertible laptop/tablet, and am working on making the screen rotation more convenient. I pulled a version of the following script from ...
0
votes
2answers
1k views

How to change LCD intensivity/brightness

How to change brightness of LCD want image look deemed and soft the xrandr --output LVDS1 --gamma 0.8:0.8:1.1 change only gamma but not the brightness of image. I have no option --brightness for ...
0
votes
0answers
58 views

xrandr not scaling / transforming display

I am trying to work out how to use xrandr transform and other options (Ubuntu 14.04.4, ATI Radeon HD5450 graphics, open source driver, lightdm). I have found the following (man xrandr): ... in other ...
1
vote
1answer
876 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 ...
-1
votes
2answers
57 views

Is the current screen resolution saved to a file anywhere?

I'm trying to do a low level set of functions to get and set the display resolution, and I was wondering if there was a file that contains only the used resolution and that could be used to change it. ...
2
votes
1answer
92 views

Set up Three monitors in debian

I have two identical external monitors which I have test in windows and they work perfectly with no extra configuration just connect them and done. When I boot to my Debian 8 OS with the three monitor ...
6
votes
4answers
17k 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 ...
1
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0answers
57 views

How can I override xrandr selecting lower than the preferred resolution?

When I connect an external screen to my laptop using HDMI, the default resolution selected is not the maximum resolution - even though this resolution is listed under the available modes: HDMI1 ...
12
votes
1answer
737 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
104 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
4k 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
54 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
556 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 ...
4
votes
0answers
147 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
13k 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
26 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
19 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 ...
4
votes
0answers
90 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
149 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 ...
0
votes
0answers
39 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
97 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 ...
1
vote
0answers
298 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 ...
1
vote
2answers
697 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
39 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
38 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 ...