Questions tagged [multiple-monitors]
Questions about multiple monitors (Including projectors), how to configure,customize, and troubleshoot, etc.
4,735
questions
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2nd monitor not detected
I like to use 2 monitors while I work. I did this with my first laptop that I dual booted with Ubuntu and never had any problems, but it did not have a Nvidia graphics card.
I recently bought a new ...
0
votes
1
answer
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Unable to Access BIOS or Boot Manager via HDMI Output on Laptop Running Ubuntu
I recently broke the screen on my laptop and have been using a secondary monitor connected via HDMI. However, I've encountered an issue where I'm unable to access the BIOS or boot manager on the ...
1
vote
0
answers
26
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Multiple monitors unavailable after install of 6.5.0.27 kernel
My secondary monitor no longer works after update from 6.5.0.26 to 6.5.0.27 kernel.
Its on the HDMI port.
I booted into Windows and the monitor works fine. Booted into 6.5.0.26 monitor works fine.
I ...
0
votes
1
answer
7k
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Installation of amdgpu fails - packages have unmet dependencies
I'm trying to install amdgpu according to the instructions found here: https://amdgpu-install.readthedocs.io/en/latest/install-installing.html
Running the command:
sudo amdgpu-install --usecase=...
6
votes
3
answers
14k
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Second Monitor not detected in Ubuntu 22.04
I just installed Ubuntu 22.04 as Dualboot on my Laptop, and it does not recognize my second monitor. It works just fine, if I am using Windows.
The Graphics Card is a Nvidia GTX 960m
Secure boot is ...
2
votes
0
answers
17
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I have two monitors connected to my computer, the computer only boots if one of them is disconnected. how can I fix it?
I have two monitors. The main monitor that I want it to boot to is AOC and the side monitor is Samsung. When I turn on my computer I get a black screen on both monitors. I can get around this by ...
-1
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0
answers
20
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Forcing Ubuntu to output HDMI through USB-C
I want to use my iPad as a wired second monitor for my Surface Go 2 running Ubuntu 22.04.4.
I downloaded an App that live-shows Video-Signals.
When I connect a camera (Logitech Brio) to the USB-C-Port ...
1
vote
0
answers
15
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How to use different pointers and keyboard for different monitors
I have a system running on top of Ubuntu 22.04 on my laptop which I use along with an external monitor. I am trying to work on both simultaneously and I want to be using separate input methods for ...
0
votes
0
answers
27
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How do i restore Ubuntu Gnome Desktop settings
I uninstalled (completely) emacs to prepare for re-installation. It seemed that the emacs package contains system apps of some sort... because when I went to make "ubuntu desktop" changes, ...
2
votes
2
answers
9k
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Ubuntu 18.04 not detecting monitor size properly
I just fresh installed Ubuntu 18.04, after some hassle I was able to install the nvidia-driver-396. I run a dual monitor setup being one a 29" ultra wide and one 24" 1080p, when I had Ubuntu ...
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0
answers
20
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How do I fix overscan on a TV?
I am using Ubuntu Mate 22.04, and have a 55" TV as a secondary display. The margins of the screen are off the edges though, and I would like to fix this. I am using Xorg.
I tried:
xrandr --output ...
-1
votes
0
answers
10
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How do I fix so lock screen stay blank after it goes blank?
When the lock screen goes blank after a while (as it should) it immediately turns back on and waits the same while before going blank again and it starts over again. Making both the laptop screen and ...
1
vote
1
answer
6k
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Where's the default video monitor config file?
When I boot my laptop, with an external video monitor attached, the LCD video screen on the laptop comes up in what looks like 1024x768... which I assume is because it's cloning displays, and that the ...
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0
answers
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Have 2 displays, but no option to pick only one - only mirror or join
I would like to be able to switch between screens using win + p. But I have only mirror or join option. How to add "Only 1 screen" and "Only 2 screen" to this list?
Or if not ...
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votes
0
answers
25
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Every time I restart, my monitors, on display settings, are on top of each other on kubuntu
So I need to go on display management and do this every time,
drag the display to the right part, which is how it was before I restarted:
This is causing a duplication on the displays and not letting ...
7
votes
5
answers
35k
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Ubuntu 22.04 External monitor not detected
I have recently install 22.04 Ubuntu OS and I lost external monitor connectivity. I have tried few things but stuck.
MSI Laptop with LG monitor
intel + nvidia
OS: Ubuntu 22.04
xrandr:
HDMI-1-0 ...
5
votes
1
answer
15k
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Ubuntu 18.04 shows only the desktop pattern in external screen
I've installed Ubuntu 18.04, everything's fine but the video output to an external TV screen connected by HDMI.
I've looked for similar questions, HDMI connection problems , my case is quite ...
1
vote
4
answers
10k
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How to use StarTech USB32HD2 with Ubuntu 18.04?
I bought this device because its reviews said it worked under Ubuntu. However, there are no drivers for ubuntu on the website.
I did install DKMS, which is the first step according to their website, ...
0
votes
1
answer
5k
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VNC Multiple Monitors from Single Monitor on Host
I have been fighting with multiple (2+, not 1+) monitors with my laptop on ubuntu for a while. Same old story with driver support issues, etc. The solution I have currently is one traditional ...
0
votes
1
answer
5k
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scale monitors differently without everything becoming blurry?
problem
My Laptop has a 1920x1080, 34.4x19.3 cm Monitor and I connect it to a 1280x1024, 37.6x30.1 cm external Monitor. Since the external monitor has a 30% lower pixel density, everything on it ...
0
votes
0
answers
144
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Screen lag and flickering with several monitors using AMDGPU driver on Ubuntu 20.04
I have just received my new Lenovo ThinkPad P14s gen 4. The CPU is an AMD Ryzen Pro 7840u, with the iGPU Radeon 780m.
I have installed a fresh Ubuntu 20.04.6 LTS. Everything ran smoothly. But a second ...
1
vote
1
answer
5k
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How to show kde panel at all monitors?
I have kubuntu 18.04 on my laptop. And I use additional 2 monitors.
The default kubuntu panel only shows up at primary monitor.
For now I just created new panel, but they are different.
And I should ...
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votes
0
answers
66
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Heavy Screen Glitching and Flickering (22.04LTS) (AMD APU)
Im fairly new to Ubuntu, and freshly installed Ubuntu 22.04LTS to my HP laptop (AMD Ryzen 5500U, 8GB RAM, 1TB SSD). I have it dually booted with Windows (same SSD in a different partition, as I can't ...
1
vote
0
answers
47
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"Could not switch the monitor configuration" on "None-1-1 connected output"
I have a System76 Thelio with an NVidia RTX 3060 video card. I was running Ubuntu 20.04 with no issues.
I upgraded to 22.04, and now get an error message "Could not switch the monitor ...
2
votes
2
answers
5k
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Trying to run multiple instances of VLC
I'm a total noob at Linux (but I'm learning).
I am trying to run a video presentation - but I need it to run THREE separate Mpeg or AVI videos at precisely the same time and in sync.
I read http://...
0
votes
1
answer
38
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android tv box is not detected when it's connected to laptop via HDMI cable
I bought a Next Start Google android tv box. It runs well on TV via HDMI connection ( it's detected on AV Port)
When I connect it to my laptop via HDMI cable, it won't be detected in Displays list.
I ...
1
vote
0
answers
1k
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Problem with second monitor (third screen) in Ubuntu 20.04 and Ubuntu 22.04
I have a Lenovo ThinBook 14s IML with these specs:
Ubuntu "About" section of my computer
For two years now, I've used with two other monitors, so I get three screens in total: the built-in ...
46
votes
3
answers
256k
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How do I list connected displays using the command line?
Is there a command that will list displays connected to the computer?
Specifically, I'm looking to find out how my external monitor is being detected by the system when connected by HDMI cable and ...
0
votes
0
answers
19
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Two Monitors Not Working
I'm working with a Lenovo L390 (provided by the new company).
I don't have access to the BIOS.
The monitor only works in Individual mode. If I connect one monitor using HDMI and another monitor using ...
32
votes
2
answers
76k
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list existing X display names?
How do I get a list of current X display names?
Apart from being a useful thing to know, I want this so that (hopefully!) I can use xcalib -invert -alter as suggested in this question to invert the ...
3
votes
2
answers
3k
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How do I open a new window in the same monitor?
I have 2 monitors and using Oneiric Ocelot Ubuntu. If I have opened firefox on my first monitor and want open new window, new window is always opened on the second monitor. How I can set using 1 ...
0
votes
0
answers
36
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controlling brightness on wayland & dual monitors
I had a script that used xrandr to dim all monitors. It broke on wayland. There are some command line options, but I don't want to recode everything. Ubuntu 22.04 recognizes the keyboard Fn-keys for ...
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0
answers
38
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Dual monitors - second monitor black, but connected
I have a dual monitor set up with desktop computer in Wayland, Ubuntu 22.04. One is connected to dGPU and should run at 165hz, the other - to iGPU at 60hz.
Using BIOS settings, booting with iGPU as ...
9
votes
1
answer
10k
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Dual monitor using Intel graphics stopped to work on Ubuntu 18.04
I installed ubuntu 18.04 few days after the release. It was working fine until now. Now it is not detecting the external monitor.
My system a Laptop MSI gs30 2m shadow without external dock:
$ ...
90
votes
6
answers
59k
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Howto to move window to another monitor on the left/right using keyboard shortcut?
I have always used Ctrl+Alt+Shift+Left/Right to move windows from left to right monitors.
Installed Ubuntu 18.04 last week (fresh install) and it appears that this is not working anymore despite the ...
2
votes
0
answers
70
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How to setup Single GPU - Multiseat with ubuntu 23.10?
Background:
I have 1 room setup with desktop pc with single GPU, two monitors and tv connected with long hdmi cable in same room.
What I want to do is use two monitors on desk for web browsing / ...
5
votes
1
answer
8k
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How to set up dual display with dual graphics card on Ubuntu 20.04?
I'm setting up PC with a pair of GeForce GTX 1070 (Both ASUS TURBO 1070) cards and a Philips 246E FHD monitors connected to each via DP(GPU-0) and HDMI(GPU-1).
PC config:
DELL WorkStation Precision ...
5
votes
2
answers
6k
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How to fix the physical size of a display in xrandr?
In a nutshell, my problem is that my TV is overscanning and I have nothing like a "Screen Fit" option in the TV.
The TV is a Samsung model LN32R71B that I believe is providing a corrupted EDID file, ...
0
votes
1
answer
48
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Connecting LG 22MD4KA to 970A GAMING PRO CARBON Motherboard
I have a LG 22MD4KA monitor that connects only with USB-C. There is a UBS-C outlet in my mother board (970A GAMING PRO CARBON MSI) but I don't know if it can transmit an output. My current video card ...
0
votes
0
answers
24
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It is possible to use dual-screen RDP for an Ubuntu 23 desktop VM?
I have an Ubuntu 23 desktop VM in VMware vSphere. I already set the virtual video card to have two displays and 128 MB of video memory.
However, when I RDP to it (ensuring "use all monitors" ...
0
votes
0
answers
54
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Ubuntu 20.04 laptop screen is blank, but monitors connected to HDMI and USB-C ports work
I am using Ubuntu 20.04.6 LTS (Windows/Ubuntu dual boot, with Ubuntu on an external SSD). A long time ago, I made changes such that my two external monitors (one with an HMDI cable and one with a USB-...
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vote
3
answers
3k
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White screen on second monitor Ubuntu 22.04
When I boot up Ubuntu on my dual boot laptop, the Ubuntu logo appears on both screens (connected with HDMI through Nvidia 1650) along with the HP logo, but the second I login, everything goes white on ...
1
vote
2
answers
4k
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Ubuntu won't do 1920x1080
Both my monitors (one over DVI other over HDMI) have a native resolution of 1920x1080 (16:9) but the only two options for resolution in the "Display" section of system settings are 800x600 (4:3) and ...
0
votes
0
answers
46
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How do I extend the desktop environment to the secondary display?
TLDR:
The primary monitor didn't work (connected over displayport)
I found I could manually turn it on via nvidia-settings
It now works, but doesn't show the desktop environment
I can move the mouse ...
39
votes
4
answers
77k
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Top bar for all monitors (Ubuntu with GNOME Shell)
I just installed Ubuntu 18.04. Since the top bar is only on the primary monitor, I can't use the mouse to grab and move my Chrome window (the top of the screen looks like below). Trying to do so ...
0
votes
0
answers
16
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Screen auto rotate (Landscpe flipped) when switching on my lenovo
When I start my laptop that time my screen rotate automatically it shows (landscape flipped) inside setting and if i leave my laptop idle and it goes into sleep mode this problem occurs then also I ...
0
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1
answer
36
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How to isolate shortcuts to the currently focused display in GNOME?
I have an Ubuntu 22.04 OS (kernel 6.5.0-21-generic) with GNOME 42.9 and two monitors. When I execute a system-level shortcut like Super, I get Activities displayed on both displays which is not useful ...
0
votes
1
answer
106
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HDMI display port not detected on Ubuntu 22.04
I'm trying to connect a Lenovo Legion 5i Gen 7 laptop with Ubuntu 22.04 (kernel 6.5.0-21-generic) to an external monitor LG 27gp850p-b. The Displays shows only my primary display and xrandr --auto ...
5
votes
1
answer
6k
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How to open application on a specific display in Ubuntu 20.04
I am using dual monitors and whenever one of my application opens a new window, it is always created in my secondary display instead of my primary display. I've attempted solutions involving Auto Move ...
1
vote
0
answers
39
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How to control which monitor gdm3 login screen appears on?
Ubuntu 22.04.4
I have five monitors connected to my computer, while facing them from left to right they are monitors 1, 2, 3, 4, and 5.
I would like the gdm login to appear on monitor #2. I can't ...