Questions tagged [multiple-monitors]

Questions about multiple monitors (Including projectors), how to configure,customize, and troubleshoot, etc.

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External monitor connected via USB-C → HDMI/VGA/2xUSB dongle doesn't work

I work on Lenovo Ideapad, Ubuntu 18.04. I have one external monitor working fine on HDMI. I'd like to add the second monitor via USB-C → HDMI/VGA/2xUSB dongle but it is not detected. The dongle works ...
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Display Issues with rotated third screen (vertical) enabled | 18.04 LTS

I extended my desktop workstation with a third vertical screen, used the screen rotation options under settings to have the right screen orientation. Since then, I have a nasty display issue, looks ...
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Dual Nvidia GPUs but one is disabled?

Recently installed 20.04 on this machine with dual Nvidia GTX-1080s, which each have 3 monitors connected to them. The issue is only the first GPU and the first 3 monitors are enabled. I can see them ...
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Avoid laptop display with monitor when switching user

I have a small laptop with Ubuntu connected to a tv monitor via HDMI. I have set Single Display in Ubuntu because I'm working all the time with just the big screen. However, every time I switch ...
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Smooth mouse transitions between monitors of different DPIs

My setup consists of a built-in monitor and an external monitor. Both are 1080x1920px but have different physical sizes, as shown in this diagram. ######################### ###########...
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Display dialog - Multiple monitors - number of primary and secondary monitors always remain inverted

Having the following: Ubuntu Desktop 18.04 Laptop connected with a secondary monitor through VGA connector When is opened Settings -> Devices -> Displays Can be observed the two monitors ...
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1answer
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Ubuntu does not isolate the apps in the secondary monitor through each workspace

I work with Ubuntu Desktop 18.04 Furthermore I have Windows 10 and MacOS working with multi desktops. I know how create a new one and how move through them An important observation is that for each ...
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No GRUB menu during Ubuntu boot with 2 displays

I have installed Ubuntu 20.04, dual booting alongside Windows, but nothing shows up on both monitors on boot up w/ Ubuntu. I know that it is taking place in the background because it automatically ...
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Looking for alternative to displaylink chipset for second monitor [closed]

I am currently running Ubuntu 20.04 on a desktop. I have one monitor connected to the onboard video and a second monitor connected via a USB-to-VGA adapter that uses the displaylink chipset. I'm not ...
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Change display window randomly appears when using some apps ubuntu

An extremely annoying prompt randomly appears when im using specific apps. It happens the most when i run Neofetch. Here is a screenshot: My question is: how can I disable it and why does it happen ...
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Monitor(s) not turning off when an additional monitor is used

When I connect my laptop (Lenovo T480s running Ubuntu 18.04) to an external monitor via HDMI, and then configure the power settings to turn off monitor(s) after 15min of inactivity, neither the laptop ...
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24 views

USB-C VGA Monitor doesn't wake up

I am running Ubuntu on an Intel NUC8i7HVK. It's worked seamlessly through three versions of Ubuntu, but on the upgrade to 20.04 has developed a problem. One of my three monitors is connected via a ...
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Can i use different cards for 3 same displays?

I am running Ubuntu 18.04 on a 6 core AMD CPU, and a GeForce GT610 rev. A1 graphic to which i have connected two display (2 same HP monitors). I need to use a third monitor and from researching it ...
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Usage of only external Monitor -> Screen Black with Mouse but mirror or extend is fine on Ubuntu 20.04

First of all i am new to Linux/Ubuntu. After a failed Upgrade to 20.04LTS from 18.04LTS i managed to kinda repair it. But there where a lot of questions about upgrade configurations which where ...
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How to have local and remote access to same X session without a monitor always attached?

On Ubuntu 20.04, I have an AMD system with an integrated GPU (Ryzen 3 3200G with Radeon Vega 8) and want to be able to access an existing running X session (whether a user is logged in or not) via ...
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DualMonitor configuration resetting on lock screen after reboot

Hollo, I am not sure I've written correct title, but it's not easy to name problem in few words (especially for non-native English speaker), so be forgiving please. I've two monitors connected to my ...
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Can't get internal and external monitor working simultaneously with 20.04 on laptop with AMD Ryzen 7 4800H and Nvidia RTX 2060

Short Version On Ubuntu 20.04 cannot get internal and external monitor working at the same time. Can have internal only with default drivers OR external only with manually installed NVIDIA driver. ...
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1answer
53 views

Is intel-virtual-output a saviour tool? [closed]

What I mean is that can this be used to solve the eternal problem of hybrid graphcs laptop + external monitor? Can this be used to power an external display in Hybrid Graphics mode? Also, are there ...
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19 views

Wacom tablet configuration on ubunu 20.04 for rotated screen

I have a laptop with a screenpad (for ubuntu purposes, a touchpad with a screen on it as it is recognized that way). The recognized screen is vertical, so I have configured it to display horizontally ...
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Full screen games on dual monitor setup minimized when clicking on second monitor

There is an annoying behavior I've noticed on Kubuntu 18 and still on 20, where if I have a game open on one monitor, whether it be in full-screen or full-screen windowed, clicking outside the monitor ...
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12 views

Getting ''no input signal'' in external monitor

I have Dell XPS 13 which is running Ubuntu 20.04. I had an old monitor, which had only VGA port. And I had a Thunderbolt adapter, which had only HDMI port. So I connected both of them using a VGA to ...
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Enable Sticky Edges Ubuntu 20.04

I recently upgraded to Ubuntu 20.04 and i can't find any way to enable Sticky Edges, what i want is for the cursor to briefly stop on the edge before crossing over to the second monitor i don't know ...
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19 views

Secondary screen weird behaviour

I use kubuntu but it's a more general issue. I have a notebook with an external monitor attached via hdmi. Everything works nice when I use both screens (notebook's and the external one) but when I ...
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Failed to put a second screen Xubuntu 20.04

I just installed Xubuntu 20.04 LTS. It is a clean installation. At the moment of connecting my second screen and then to place it as an extended screen the following happens. Notebook Second Screen ...
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28 views

Rotation/reflection of built-in monitor disables external monitor

I have a laptop (Dell Latitude series) with an external monitor attached to it via HDMI, running Ubuntu 18.04.04. The graphics card is Intel UHD 620. I am trying to achieve that the built-in display ...
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217 views

Ubuntu 20.04 not detecting main laptop display, but detects external monitor

Backstory: I installed Ubuntu 20.04 on my Laptop. My additional monitor was not working and Nvidia drivers were also not working. Settings > About was showing Integerated Intel card. Tried installing ...
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Kubuntu — show notifications on primary monitor

I am on Kubuntu 20.04 with dual monitor setup. The primary monitor is to the right. But notifications -- such as incoming gmail messages -- show on the secondary monitor, which is to the left. How can ...
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Monitor detected but blank (Second screen overlaps on first screen)

I have a desktop with NVIDIA 310, with 2 DELL displays - DP chained. It works with Windows but not on Ubuntu. The 2 displays are detected, but only the first one in the chain works. The mouse extends ...
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22 views

black desktop in KDE on primary monitor

I have Kubuntu 20.04 LTS version. I have two monitors connected to my PC - primary one via HDMI and secondary via DisplayPort. Both have the same resolution. After login into KDE I have the 'task ...
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25 views

KDE login screen of wrong monitor

I have Kubuntu 20.04 LTS version. I have two monitors connected to my PC - primary one via HDMI and secondary via DisplayPort. Both have the same resolution. When I get the KDE login screen (sddm i ...
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1answer
71 views

Built-in display shown as prime display which cannot be controlled by nvidia-settings [closed]

My NVIDIA X server setting on my laptop shows my built in display as primary display which cannot be controlled by NVIDIA-settings and must be configured by an external RandR capable tool. Only a ...
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20.04 Display bug on Macbook 2008; system freezes on change

I have a Macbook from 2008 (Intel Core2 duo) running Ubuntu 20.04. The primary display (on the laptop screen) is fine, and I'm plugging the external monitor in through a DVI-mini display adapter. The ...
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49 views

Dual Monitors Makes Laptop Runs Slow

So I just installed ubuntu 20.04 on a laptop, and everything was working great. I noticed there was an issue when I would plug in a second monitor via HDMI, once it picked up the display and there was ...
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Nvidia quadro 4800/ubuntu 20.04 will not detect second monitor on MacPro 3,1

Nvidia quadro 4800/ubuntu 20.04 will not detect second monitor on MacPro 3,1. The monitor was working just fine in mac os x. But after installing Ubuntu 20.04 the nvidia driver only sees one monitor. ...
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Ubuntu 20.04 desktop DVI issue through KVM (keyboard video mouse)

I’m trying to share the same monitor between a desktop and a laptop. I got a KVM. Switching the shared monitor from the desktop to the laptop works fine; switching the other way, from the laptop to ...
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How to open applications on primary display

I am using Ubuntu 20.04 in a dual monitor setup (laptop + monitor, with the monitor being set as "primary display".) When I open new applications, they sometimes open on the non-primary display ...
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35 views

Multi GPU XY coordinate problem

I've asked this on the driver forums as well as my DE but over time this seems like an XORG problem so I figured I'd spitball here and see if anyone can point me in the right direction. So I've ...
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1answer
40 views

Ubuntu 18.04 2nd Monitor not recognized

Two Dell monitors connected, 1-DVI & 1-HDMI. The desktop is duplicated to both monitors so I can rule out monitor/cable/power issues. However, I can not extend my desktop across both displays. ...
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Problem with HiDPI screen and FullHD monitor

Ubuntu 20.04 LTS Inner monitor 3000x2000 External monitor 1920x1080 GPU - GeForce MX250 Driver: GP108BM Windows can manage this setup, with Ubuntu it's not that simple. I was trying to configure it ...
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Asus - HDMI black screen on Ubuntu 19.10

HDMI is detected, but screen 2 is black nvidia-bug-report.log https://pastebin.com/t5Gx9ixW intelipower descripción: Notebook producto: TUF Gaming FX505DD_FX505DD ...
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Ubuntu 20.04 LTS 2nd monitors give boot-loop

I have fresh install of Ubuntu 20.04 LTS. Everything is ok but I have my laptop on docking station and connected 2 monitors: 1st 29" LG by DisplayPort 2nd 24" Iiyama by VGA When second monitor is ...
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121 views

3rd monitor on Ubuntu 20.04 with Radeon HD 6670/7670 disabled

I've been running Linux Mint 17.3 with 3 1920x1080 monitors (HDMI, DVI, VGA) with no issues for 2 years. I installed Ubuntu 20.04 on an additional SSD yesterday, and the monitor on the DVI is black. ...
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Static buzzing noise if I use a second monitor when Ubuntu is idle (Ubuntu 18)

I reinstalled Ubuntu 18 and I'm having a problem when I use a second monitor (I've tried both HDMI and VGA ports). My problem is a static buzzing noise on the external speakers if I'm not playing any ...
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hdmi display is not working

I recently installed ubuntu 20.04 and everything worked well for a week or two. I just turned on the computer a few hours ago and the screen shows "No signal detected". I have looked around in this ...
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47 views

Unable to properly adjust display arrangement for portrait monitor next to landscape monitor

I am trying to match my display setup to my physical setup. I am on Ubuntu 20.04LTS. My left monitor is in portrait mode, and my right one is in landscape mode. Here is my current setup. This does ...
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68 views

setting up DPM performance level permanently

I have Kubuntu 20.04 with AsRock Radeon RX 5500 XT Challenger graphics. I have two monitors (both 1920x1080), primary one having 75Hz (HDMI) and secondary 60Hz (DisplayPort). Now I see a flickering ...
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Second Monitor not working (20.04 LTS)

If I run all my graphics trough the Nvidia graphics card, I can use my second monitor, but if I change to the integrated Intel graphics card the monitor is not detected so no image is displayed. ...
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33 views

Strange behavior with two video cards and monitors

I have system with 2 video cards. Each video card is attached to separate displays. 5500XT is attached to 4K display via Display port. R7 250 is attached to older monitor via DVI. If i set in mate ...
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25 views

2 monitors (DVI-D, HDMI) one card (Radeon Rx 480) only DVI-D is detected

I've installed today Ubuntu on my USB. I'm having troubles with my configuration (DVI-D, HDMI), that works fine on windows 10. Using 'xrandr': Screen 0: minimum 320 x 200, current 1920 x 1080, ...
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Browsers don't identify dual monitors on Ubuntu 18.04

When I share my screen on Hangouts, the other person sees both of my screen combined as one, Ideally the browser should ask which monitor to share. I tried using Chrome and Firefox to share my screen ...

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