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Questions tagged [xrandr]

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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Xrnadr not see any external ports

I have a problem with connecting external monitor to my Dell Precision M6500 laptop. I'm running Debian Stretch with gdm3. I try to connect external monitor by VGA. My laptop has DP and VGA port. ...
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1answer
25 views

Calibrating a touch-screen on dual monitors (one touch one not)

I am using Debian 9. I have a little PC with 2 in-built monitors that I intend to use as a point of sale. It has one monitor facing the customer (non-touch screen) and one facing the cashier (touch ...
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1answer
108 views

Xrandr problem trying to avoid broken display

Days ago I broke my laptop display by accident, the right side of the screen is damage but the most part of the left side is usable. I do some research trying to find a way to modify the dimension of ...
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1answer
24 views

MINT 19 incorrectly recognizes the model of my monitor

I am trying to connect the monitor to my laptop by HDMI. My MINT 19 recognizes my SAMSUNG 27" monitor as 'Samsung Eletric Company 7" ' How I can change the wrong type of my monitors and change its ...
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22 views

Why does xdpyinfo and xrandr give different measurements?

I'm trying to calculate the size of my 2 screens together. Using xdpyinfo, I see the following: xdpyinfo | grep 'dimensions:' dimensions: 5120x1600 pixels (1355x423 millimeters) However, ...
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1answer
34 views

Showing lines that don't have pattern

I am trying to get the monitor name of my secondary monitors using xrandr -q. I am able to get the primary using xrandr -q | awk '/primary/{print $1}', but I also want to get the secondary monitors. I ...
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67 views

Stretch vmbox ubuntu window across two monitors

I have two 1920x1080 resolution external monitors that I attach to my laptop. I am running VirtualBox 5.2.18 with a guest Ubuntu Bionic Beaver 18.04 and a Gnome 3.28.2 desktop. I would like to ...
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34 views

xrandr not detecting old monitor

Xrandr, nor any other program, is detecting my second monitor; as in, xrandr acts like the second monitor doesn't even exist when it's connected. I think it could be due to the fact that both the ...
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91 views

mixed monitor dpi + xrandr + linux mint 19

I am trying to set up my mixed-dpi monitors on linux mint. laptop monitor has resolution: 1st monitor is laptop monitor, resolution 3840x2160 2nd monitor is external monitor, resolution 2560x1440 As ...
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1answer
45 views

Is it possible to drive more than one monitor off a single CRTC?

I have a video card with six mini display port outputs, and was hoping to use MST splitters to get Xorg to extend my desktop across more monitors than outputs on the card. However, when using xrandr ...
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1answer
57 views

xrandr commands from gdm

on debian to use my two monitors I have to run (from a running X): $ xrandr --setprovideroutputsource modesetting NVIDIA-0 and: $ xrandr --output HDMI-0 --mode 1920x1080 --primary --pos 0x0 --...
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1answer
61 views

Application dpi change on runtime - Xserver

I try to handle problems with Linux X-Server with mixed dpi displays. At the office I would like to use two non HDPI displays, else I like to use the HDPI screen of my XPS13. The best results on the ...
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1answer
60 views

Due to a broken monitor, I need move my screen to the left

A fraction of the right side of my laptop screen is broken, in order to use only the good part the resolution needs to be about 1280x1024, aligned to the left. A simple xrandr -s 1274x1080 will get ...
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103 views

How to change kscreen backend (or disable kscreen)?

I'm running KDE on Arch Linux. 4.17.5-1-ARCH #1 SMP PREEMPT Sun Jul 8 17:27:31 UTC 2018 x86_64 GNU/Linux plasmashell 5.13.3 QMake version 3.1 Using Qt version 5.11.1 in /usr/lib I would like to ...
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65 views

rock64 strange video modes

I've had a Rock64 for a couple months. Tried running an Ayufan (Debian) image, then tried an Armbian one, now I'm back to the latest Ayufan. I boot it up, it doesn't read my EDID on my old monitor, ...
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61 views

Why does the HDMI connection disconnect when setting up with xrandr?

After rebooting I get this in the output of xrandr: HDMI2 connected (normal left inverted right x axis y axis) 1920x1080 60.00 + 50.00 59.94 24.00 23.98 I then try to set it up: ...
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19 views

Cylinder 2 screens config with xrandr

I've two screens configured with this xrandr command : xrandr --output VGA-0 --primary --mode 1440x900 --output DVI-0 --left-of VGA-0 --mode 1440x900 --rotate normal For now, the mouse is blocked ...
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93 views

HDMI not showing in xrandr after nvidia modeset=1

I'm running Ubuntu 18.04 on an MSI GE63 Stealth 8RE, with an NVIDIA GTX 1060. There's a good amount of screen tearing when watching videos, and I found several sources online telling me that creating ...
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1answer
784 views

xrandr: failed to get size of gamma for output default (connected via HDMI - Linux Mint 18.03)

I just built my own computer (first time I have done this) and I am currently connected to my monitor via HDMI using Linux Mint version 18.03. Though, while I know my monitor supports 1920x1080, it is ...
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29 views

xrandr right-of with y offset

Is it possible to use right-of with offset in y direction? I have two displays and I want the second monitor to be right of the first and 550 pixels below, like: ----------------- | | | ...
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53 views

Setting framebuffer with xrandr breaks desktop

I am currently trying to find a solution to make my HiDPI Laptop screen work with an ultrawide non-HiDPI as an external monitor on GNOME. I have read a lot and what I understand about the basic ...
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0answers
48 views

How to disable bottom part of the screen with xrandr

I have tried to use xrandr to resize the screen so only the good parts of the LCD panel are used, but the problem is that I can only blackout/disable the top part of the screen, not the bottom part ...
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2answers
146 views

Intel-virtual-output - High temperature causes Linux crash

When I activate a monitor on the HDMI output (wired to the NVIDIA Optimus chip) of my notebook through the commands below the notebook starts to get very hot, mainly if I am running a video (streaming ...
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1answer
108 views

How to force 60 Hz in 1366x768 despite kernel bug after kernel 4.13?

If your screen resolution is 1366x768 and your Intel card is able to go down to 40 Hz screen refresh rate for power saving (and most modern laptops can, no matter how cheap) instead of the usual 60 Hz,...
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172 views

Can't setup monitor after reconnecting ThinkPad T570 to USB-C dock

I've got two monitors connected via DisplayPort to the dock. xrandr displays the external monitors as DP1-1 and DP1-2 and the laptop as eDP1. I set up my monitors with the following in ~/.xprofile: ...
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1answer
56 views

Can't set ultawide resolution

I have a 21:9 monitor. In every single linux distro 2560x1080resolution doesn't work for me. Why? My GPU is really old. I fixed it in antergos(arch-based distro!) by installing a package called ...
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1answer
596 views

Ubuntu 18.04 Mouse Pointer Blinks and disappears on one screen after setting HiDPI scaling with xrandr

I use Ubuntu 18.04, on Dell XPS 15. There is a huge difference in the resolution of my screens, so when I plugged external monitors, either everything was too big on external monitors or everything ...
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1answer
219 views

Check if HDMI still alive?

I have a laptop (Aspire 3750G) and suddenly after it shut down because of overheat - I can't see my HDMI back. xrandr -q returns me only LVDS-1, VGA-1, and VGA-1-2. I'm using nouveau driver since ...
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0answers
45 views

i3 is not fill when I'm using it with vga

I'm using i3 with debian 9.4 I was using my external monitor with xfce4 perfectly, but since I can't use xfce4-display-manager with i3, I've tried that command: xrandr --output VGA-1 --mode ...
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66 views

xrandr: Display Desktop on TV

I want to display my dektop (and everything what´s going on on it incl.taskbar) on my TV. So i connected my Linux Mint 18 Cinnamon Laptop via HDMI to my TV and get only the wallpaper on the TV, as an ...
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635 views

No HDMI output, monitor not detected?

I recently purchased an Asus Zenbook 3. I'm running Debian Stretch with xfce4. Ever since I'm trying to connect my external monitor as a second screen. Given that the machine only has USB-C ports I ...
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184 views

Ubuntu: xrandr + i3wm issue where one of my monitors is split into two tiles

I have both displays set to 1920x1080 for my dual monitor setup. The HDMI-1-1 is working properly and displaying my wallpaper at the proper scale. My second main monitor is set to 1920x1080 but for ...
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0answers
54 views

Why is color temperature set by redshift being reset at random times?

My computer run redshift at startup, in "one-shot mode": # Set color temperature to 4000K redshift -O 4000 But from time to times the color temperature is being reset, in seemingly random times. ...
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2answers
368 views

Bash list all display output ports

I am looking for a command which prints all visual output ports a laptops has. I have searched Stack and Google for a while now but I cannot find an answer. The closest I got is xandr eDP-1 ...
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89 views

Cannot use MultiDisplay (Laptop+Monitor) ArchLinux

I will post my question here too ( I asked already in Arch Linux forums). SO I am trying to use my external monitor next to the laptop one on my fresh ArchLinux setup. It does not work and I do not ...
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1answer
242 views

Getting radeon driver working and set higher resolution on GNU/Linux X11 X.org AMD Radeon

When trying to set a higher resolution using xrandr, I get Failed to get size of gamma for output default Also lsmod | grep radeon returns no output meaning that the Radeon driver is not in use. ...
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108 views

mysterious and repeatable compiz segfault

This is happening at a frequency I can't ignore anymore. Other than two python webscraping scripts running in the backgroud, my ubuntu box has been sitting idle, doing nothing. But then after screen's ...
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240 views

Cannot change refresh rate in Nvidia Xserver Settings

I'm running Ubuntu 16.04 with a ViewSonic XG2703-GS monitor through DisplayPort. Whenever I go to change the refresh rate from the default 60 Hz to 144 Hz or 165 Hz I get the following error message: ...
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0answers
122 views

Using xrandr to scale screen along Y

Im trying to configure my screen to occupy the upper half of a single monitor such that the entire desktop is still displayed. The following command successfully shows only the upper half of the ...
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0answers
156 views

HDMI port stop recognizes external monitor after a system update with one Intel GPU

Yesterday I updated my system (DELL laptop with Arch linux), and unfortunately today I realized that HDMI port cannot recognize the external monitor. Until now I use the following command inside ....
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0answers
86 views

Cannot turn on external display with xrandr

I'm running Linux on my Macbook Pro with i3 and I have been able to get everything working execpt my external monitor from the HDMI port. xrandr sees the monitor but the monitor still says "no signal" ...
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0answers
67 views

freeze while turning monitor off with xrandr

Question: How to turn one monitor off without freezeing the other? My specs are below. I have two monitors. I want to turn my left monitor off, but when i run: xrandr --output DVI-0 --off my left ...
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0answers
80 views

How does xorg decide which resolutions to show from EDID? Newer versions stopped offering 4K 3840x2160

Starting sometime last year, forcing the 2160p resolution manually became necessary, with reduced vertical blanking. Standard Haswell notebook setup. So, this particular installation is regularly ...
2
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1answer
287 views

Connect a Mac thunderbolt monitor to a DELL computer running on Arch Linux

I want to have a dual screen, with the screen of my laptop + the Mac thunderbolt monitor. I connect the Mac thunderbolt monitor on the DisplayPort of my DELL Latitude E7440 running on Arch Linux/...
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How can I apply a background to a subset of monitors?

My current setup is 3 monitors, 1920x1080 each, and I use feh to apply a 5760x1080 image across all 3. What I would like to do is add a fourth monitor (actually a TV) at either 1080x1920 (rotated) or ...
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1answer
49 views

Why xrandr numerical output is VGA-1 instead of VGA1?

Why xrandr numerical output is VGA-1 instead of VGA1? The same behaviour hapens with LVDS-1 instead of LVDS1. I'm using Debian 9 stable and i3wm. Xrandr version 1.5.0. Laptop Thinkpad Lenovo. ...
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1answer
620 views

xrandr layout of virtual screen

Sometimes i need to use a virtual screen which is bigger than the physical one. With xrandr this is no problem. If i need 2000x1500, i use this command: xrandr --output LVDS1 --rate 60 --mode ...
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1answer
239 views

x2go compresses multiple remote monitors into one window

I am trying to connect to a local session on a remote Linux machine which has two physical monitors attached. My local x2go client is a Windows machine with only one monitor. When I connect, the ...
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1answer
1k views

Rotate screen shortcut on Fedora 27

I've been trying to create a shortcut to rotate the display, but the command I put (xrandr --output XWAYLAND0 --rotate left) into the shortcut does not do anything. I opened a terminal and typed it ...
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0answers
711 views

Fix resolution on second screen in a dual monitor mirroring setup by adding black bars

I have a monitor connected to my laptop. The monitors physical resolution is 1920x1200 (16:10) while the laptop's built in display's is 1920x1080 (16:9). When I mirror the display I currently have two ...