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.

Filter by
Sorted by
Tagged with
-2
votes
1answer
51 views

Why can the resolution be different in xrandr?

Below is the output of xrandr. I expected that resolution would be the same in both lines of the output, where I replaced the actual resolution with $thisPart and $andThisPart, but the resolution is ...
2
votes
1answer
20 views

An attempt to switch to a doublescan X11 modeline fails with “Configure crtc 0 failed”

I have a modern 1920x1200 LED display, capable of up to 96 kHz HorizSync, up to 76 Hz VertRefresh, and up to 205 MHz pixel clock. Apart from its native resolution, the display can also run in ...
0
votes
0answers
9 views

xrandr --pos not working for external monitor

I want my external 4k monitor on the left and my internal FHD laptop monitor on the right, scaled accordingly. I have written a little script to help with that, and it worked on my previous machine. ...
0
votes
0answers
13 views

Re-enable display after disabling it using xrandr

I have laptop and external monitor connected to it. Normally, I only use the external monitor and disable the laptop using something like xrandr --output eDP1 --off. When I list monitors afterwards, I ...
0
votes
0answers
28 views

Target Display Mode on a 2011 iMac with a Linux PC

I recently built a desktop PC, which is running Linux. I have an old (Mid-2011) 27" iMac, which I would like to use as a monitor (it has a nice 1440p screen). I am currently testing the ...
0
votes
0answers
40 views

Xrandr and hybrid graphics

I am using a laptop with intel and nvidia graphics cards. When I try to enable my external monitor with xrandr, it always sets panning to 4480x1080 so when I open any program it span across both ...
2
votes
0answers
37 views

Brightness automatically getting changed

I am using ‘xrandr —output —brightness 0.7’ in Kali Linux to control brightness and its working cool but sometimes brightness is getting changed automatically and I am stuck here. Same happening in ...
0
votes
0answers
10 views

How do I get VIRTUAL1 on HP Pavillion?

I'm trying to add a virtual monitor to my pc HP Pavillion 15-cw0006nl running Pop_OS 20.04 with open source amdgpu drivers. I've tried different solutions I found online (most of them consist in ...
2
votes
2answers
119 views

Use xrandr to split display in two virtual screens

Threads/websites I searched but didn't fully help me Split a physical X display into two virtual displays? https://chipsenkbeil.com/notes/linux-virtual-monitors-with-xrandr/ https://askubuntu.com/...
0
votes
0answers
62 views

How to set resolution without xrandr?

For some reason my screen starts with a random resolution that can be 1440x900 or 1280x800 so I've tried to make a startup script that always set the resolution to 1440x900 with xrandr, but doesn't ...
0
votes
0answers
24 views

Nvidia - xrandr crashes with Caught signal 11

First I've plugged in the external GPU (Nvidia GTX1070) into my Lenovo X220 (pci express) and was immediately able to get the external screen working. Nouveau drivers were apparently already installed....
2
votes
1answer
38 views

How trustworthy is the `cvt` utility?

With a simple input like this: cvt 1920 1080 60 or cvt -r 1920 1080 60 it gives two modes with pixelclocks of 173 MHz and 138.5 MHz, respectively. However, CEA-861 states that 1920x1080@60Hz mode ...
2
votes
0answers
70 views

Mixed DPI across multiple monitors with xrandr

I am running i3 window manager on Arch Linux, and am trying to use xrandr to use both my laptop screen and desktop monitor together. I intend the screens to have separate workspaces but to be able to ...
0
votes
0answers
9 views

Weird laggy desktop experience and crackling sound when enable two GPUs

I'm running Arch/KDE Plasma with two GPUs with HDMI cable attached to the primary one. Primary: Intel HD Graphics 4600 Secondary: RX580 (headless) When I was running with just the RX580 everything ...
1
vote
0answers
50 views

Using DisplayPort results in screen flickering and blacking out

My computer is running Arch, and I would like to use a single monitor via DisplayPort. The configuration works fine with an HDMI cable, but is limited to 30 frames per second on a 3840x2160 resolution....
0
votes
1answer
61 views

Three monitors: xrandr configure crtc failed

As of today, I am unable to enable all three of my monitors at their preferred resolution (2560x1440). This configuration has been working for the last two weeks without error. I had unplugged the ...
1
vote
0answers
8 views

Multihead - DVI numbers on which Xrandr acts are messed up at each reboot/relogin … concurrent bindings?

Hello, Context : I have a fresh install of Xubuntu 20.04LTS just because historically I tended to have a lot more issues with Ubuntu for setting multiple monitors in the multiple locations I have to ...
50
votes
2answers
13k views

How does Linux's display work?

The Linux's display system uses multiple technology, protocols, extensions, applications, servers (daemon), drivers and concepts to achieve the windowing system for instance: Xorg, Wayland, X11, ...
0
votes
1answer
319 views

How to scale the resolution/display of the desktop and/or applications?

While using Xorg X11, on KDE/Gnome/XFCE how can we scale the display/resolution for the whole desktop and/or per application? (when this is not available on the settings GUI) The purpose is to keep ...
0
votes
0answers
27 views

Second screen is recognized by xrandr but stays black

After two weeks of not using my machine I have the following issue: I have two connected screens The second one (Apple screen) is connected and recognized by xrandr, but stays black. If I change the ...
0
votes
0answers
12 views

Why does xrandr pick a different DPI if called by lightdm?

I have a script which calls xrandr and specifies my screen layout: #!/bin/sh xrandr --output DVI-D-0 --off --output HDMI-0 --off --output DP-0 --off --output DP-1 --off --output DP-2 --mode 2560x1440 -...
0
votes
0answers
35 views

How can I change the resolution of my second monitor?

I have Linux Mint 20 installed on my PC. Please, please, don't mark this as duplicate, I know people have asked this everywhere but believe me, THEIR SOLUTIONS DON'T WORK. So, I have two monitors, one ...
0
votes
0answers
15 views

How can i use xrandr to zoomout in external screen?

xrandar says: eDP-1-1 connected primary 1920x1080+0+1080 (normal left inverted right x axis y axis) 344mm x 194mm 1920x1080 60.01*+ 60.01 59.97 59.96 59.93 HDMI-1-1 connected 1920x1080+0+...
0
votes
0answers
28 views

xrandr causes monitor to glitch

I have two monitors: a 1920x1080 144Hz DVI monitor and a 1360x720 60Hz HDMI monitor. The HDMI monitor is always misrecognized as a 1080p, however I didn't have any trouble configuring it since I would ...
0
votes
0answers
316 views

xrandr: Configure crtc 1 failed

I'm trying to connect my laptop to a TV screen via HDMI. Here is the output of xrandr: Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767 eDP1 connected primary 1366x768+0+0 (normal ...
0
votes
0answers
11 views

Adding external monitor to Oracle Linux 7.3 laptop

I installed Oracle linux on to my laptop Dell latitude e5270 (i3-6100u). I wanted to use an external monitor with the laptop but connecting one using VGA or HDMI will not work. xrandr command will ...
2
votes
1answer
27 views

How do I configure 4 monitors with xrandr?

I have four monitors that I would like to arrange as follows: [CARD0 MONITOR1] [CARD1 MONITOR1] [CARD1 MONITOR2] [CARD0 MONITOR2] The output from xrandr is as follows: % xrandr ...
0
votes
1answer
217 views

xrandr and xbacklight not changing brightness in ubuntu 18.04

I reinstalled NVIDIA drivers on my Dell laptop with Ubuntu 18.04 and xbacklight stopped working. I never managed before to adjust brightness using system shortcut keys (changing GRUB settings didn't ...
0
votes
0answers
12 views

xrandr won't change output position when run at login

I'm running Debian 10, with GNOME. I've managed to find the xrandr incantation which does what I want: xrandr --output DP-1 --primary --mode 3840x2160 --pos 0x210 \ --output HDMI-0 --right-of DP-1 --...
0
votes
0answers
37 views

Cannot drop from 144Hz to 60Hz in Archlinux

I have a recent XMG core 15 laptop with a 144Hz display. I have a dual-boot Windows10/Archlinux installed and both OS report the refresh rate of the screen being 144Hz. While this is great for gaming, ...
3
votes
0answers
35 views

How to drive an external monitor that does not send hotplug info over HDMI?

Since a few days I have the Dasung Paperlike HD device and after using it for one day I'm afraid the utility that comes with it, did something it shouldn't have done. Hot-plug events First, of all, ...
0
votes
0answers
40 views

xorg - freshly installed secondary GPU shows zero outputs in xrandr

I've spent the past two to three hours (Googling and searching forums) trying to find someone who figured this out and had steps, but no. Apparently I have a corner case, and I feel like tearing my ...
0
votes
0answers
44 views

My laptop won't recognise that it has an hdmi output. How do i fix it?

I've seen other topic with similar questions here, but none of their solutions worked and many were quite old already. I am using Kubuntu 20.04. My laptop doesn't recognise that it has an HDMI ...
0
votes
0answers
31 views

I need help implementing legacy/unsupported GPU for tertiary monitor(s)

I have three monitors. Left, right, and middle. Middle and right are connected to a 1060 6 GB via DP and HDMI respectively. However, left is an old DELL VGA monitor. Therefore, I procured an old AMD ...
0
votes
0answers
8 views

xrandr setting to not use RHS 10% of monitor due to damge

I have a 4K 55 inch TV I use as a monitor with Lubuntu 20.04. The TV is damaged; I lose about 10% of the right hand side of pixels. Tried for a while but don't seem to be able to get xrandr not ...
2
votes
1answer
396 views

Unable to add a VIRTUAL dispplay to Xorg

I've been trying to set up a virtual display with Xorg, but there's just no virtual display in xrandr. This seems to be totally ignored: Section "Device" Identifier "Device1" Driver ...
0
votes
0answers
13 views

Strange behavior of xrandr, which outputs one “ephemeral” blank line

I have noticed that when I execute xrandr after "a while" (a few seconds or opening a new terminal seems enough) apparently generates an empty line before xrandr's output. Furthermore, when this ...
0
votes
1answer
54 views

display settings in XFCE4

I have Ubuntu 16.04 running as a guest on Virtualbox 6.0.16. I'm using it with a screen resolution of 1600x917 which is usable but it doesn't utilize my whole screen as my host screen is 1920 x 1080 ...
0
votes
0answers
42 views

Ubuntu 18 & Thinkpad Dock - External Monitor available rate not working

Running Ubuntu 18, on a Thinkpad E590, connected to a Thinkpad USB-C Dock, which is then connected, via DisplayPort to an Ultrawide monitor. This monitor's native resolution is 3840x1600 @ 60hz. ...
0
votes
0answers
95 views

Xrandr error. Can't add new resolution on Linux

When I'm trying to add a new resolution with higher refresh rate(75hz instead of 60hz) Xrandr gives me this error root@Coloruts:~# xrandr --addmode HDMI-0 1920x1080_75.00 X Error of failed request: ...
0
votes
0answers
6 views

Set default resolution on Contiki

I'm using Contiki on a VirtualBox, however every time I open it the resolution is 800x600. The resolution I need to use is 1280x800. I already tried to change it going to Settings->Displays and that ...
0
votes
0answers
93 views

Multiple monitor refresh rate xrandr and arch linux

I'm having some trouble setting the refresh rate for one of my monitors while I have the other one connected. If I only have the one monitor connected, it works great at 2560x1440@165hz. However as ...
0
votes
0answers
686 views

X Error of failed request: BadValue (integer parameter out of range for operation)

I'm running Fedora 31 in VirtualBox 6.1 on a Windows 10 machine and trying to get 1920x1080 resolution. I followed the advice in How to increase resolution to 1920x1080 for Fedora 25 workstation, but ...
1
vote
1answer
66 views

How might we configure X (and other settings) to boot to a graphical CentOS 7 terminal with Nvidia driver using 4k @ 60hz

While setting up a Ryzen 3990X, Nvidia Quadro RTX 4000, 256GB DDR4, CentOS 7 machine: Monitor : dell up2414q Background : After properly installing CentOS 7 via USB key I was able to login to the user ...
0
votes
0answers
11 views

Monitor trouble after hibernation on (Arch) Linux

I'm suddenly, perhaps as a result of an update, seeing only a one-pixel yellow vertical broken line at the left side of my laptop screen after hibernation. In xorg/xmonad. This may be connected to ...
0
votes
0answers
167 views

Cannot increase resolution above 1920x1080 when using virtual monitor

I'm running a PC with linux arch and using realvnc to connect to it. No monitor is attached to the PC. I have followed Add Fake Display when No Monitor is Plugged In to set up a dummy monitor and ...
0
votes
0answers
98 views

Using 1080p monitors with 4k monitor xrandr command

I just got a 4k monitor to supplement my two 1080p monitors. However, I am having trouble getting the scaling working to everything looks good. The monitors are physically set up like this: ____ ...
1
vote
0answers
98 views

xrandr lists 5 providers only, card5 is always disconnected

I have 3 DisplayLink USB3 adapters connected to my PC (yes, it's a notebook so I can't use any PCIe graphics cards). Every adapter has 2 output ports (1x HDMI, 1x DVI). These adapters are i-tec ...
0
votes
0answers
38 views

Debugging a missing monitor in Xrandr?

I'm running Gentoo Linux with a 4.19.97 kernel and the nouveau drivers on a laptop with an NVIDIA GeForce GTX 960M rev a2 (according to lspci). There's an HDMI output port which I usually plug into an ...
0
votes
1answer
126 views

Debian 10 Bullseye - Hi Resolution monitors not working on startup

I've been trying to resolve an issue with my new high-resolution ACER KG271 2K LED monitor on my HP EliteBook laptop with an Intel graphics chipset. I have two ACER KG271 monitors connected to a ...

1
2 3 4 5
10