Questions tagged [multiple-monitors]

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

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Two monitors, part of one black

Kubuntu 23.04 My left hand monitor is a 16+ year old Acer AL1716 1280x1024 connected via adapter from VGA into HDMI port. My right hand monitor is an Acer XB240H 1920x1080 on DisplayPort. Graphics ...
David1618's user avatar
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20 views

Camera, second screen, audio and microphone not working

While trying to fix my inbuilt camera that only showed a black screen I have also loss access to the computer audio (audio dummy), the microphone and my computer can't detect the second screen anymore....
test213's user avatar
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Unable to set 2 of 4 monitors to the proper resolution using AMD Radeon HD6570

I am trying to replace Windows as my primary desktop OS. This is my most hardware complex installation for Ubuntu to date. I am running a fully patched fresh install of Ubuntu 22.04 Linux MarkDesktop ...
Mark Casazza's user avatar
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Ubuntu/Pop_OS - Cant change resolution [closed]

When I change resolution on my screen whether its connected to an external display via HDMI or using the build in display in my laptop i'm only able to run native 2560x1600 resolution. This is an ...
Maaarx 's user avatar
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AMD & Nvidia, 3-monitor system, 22.04.3, update loses one monitor

Ubuntu 22.04.3 LTS product: Oland [Radeon HD 8570 / R5 430 OEM / R7 240/340 / Radeon 520 OEM] product: GK208B [GeForce GT 710] 2 monitors on the Nvidia (GT710), one on the Radeon Always had some ...
Ron Burk's user avatar
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How can I scale only the 4k monitor on Kubuntu 22.04?

I'm using Kubuntu 22.04. I have 2 monitors. One monitor is 4k resolution and the other is Full HD. How can I scale only the 4k monitor? When I scale the 4k monitor from Display configuration -> ...
Jivko Jelev's user avatar
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7 views

Pin workspace to external monitor/projector?

Is there any way to pin a workspace to a projector on Ubuntu 22.04. I need this feature because I try to teach a programming class, where I complete the code (on Jupyter notebook) during the class. It ...
kksagar's user avatar
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Focus lost to "Always on Visible Workspace" window when switching desktops

I'm on Ubuntu 23.04 on my laptop with an extra monitor. I have Slack on the laptop screen as an "Always on Visible Workspace" window, and on the extra monitor I have 2 separate windows of ...
Andrés Fernández's user avatar
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29 views

Laptop screen not working with nvidia but external screens do

Problem: Originally installed Fedora - couldn't get the external screens to work but the laptop one was fine (with nvidia drivers). Switched to Ubuntu 20.04 and the external screens (HDMI and DP) work ...
gwstern's user avatar
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Resize WIndow across two monitors always rescale to one monitor

I cant resize a window across two monitors anymore in Ubuntu 22.04. I put the monitor to the left side of the left monitor. Than I pull the right end of the window over the first monitor to the right ...
user6266369's user avatar
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Cursor disappears using Dual Monitors over windows set to Always Visible

I use a laptop, so I don't always have two displays. My mouse disappears when I have both monitors displaying and a window in "Always Visible" mode on the built-in laptop display. Often, ...
RaidPinata's user avatar
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Dual Monitor display vertical half of 2nd screen only

Recently I installed ubuntu 22.04 onto a Samsung SSD and boot it on windows 11 desktop. GPU is NVIDIA RTX 4060. Everything is working well on a single screen, but not on a dual screen, one of the ...
Jake L.'s user avatar
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45 views

Joint Displays don't work

I have just bought a new monitor LG-27UL550 and I want to use it alongside my old monitor (LG-24UD58). They work well in Mirror mode. But it doesn't work standalone or in Join Displays mode, i.e. the ...
Eugene B's user avatar
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Displayport won't work after powering on until I reconnect it

Been searching online for a couple hours, but I've tried everything that I can find so far to no avail. I've been using Kubuntu on my Thinkpad (Intel integrated graphics) and it was working perfectly ...
Landy4.6's user avatar
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Problem in connecting VGA and HDMI/DP simultaneously

I am asking for help with a problem with Ubuntu 22.04, on an ONLOGIC Server with: i9-13900E processor integrated video card intel i915 driver:i915 integrated video card ASPEED Graphics Family driver:...
paccale's user avatar
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latitude 7390 2-in-1 + dell dock + displayport = no screen wakeup

I am running Ubuntu 22.04 on a Dell Latitude 7390 2-in-1 with a Dell docking station through usb-C. I have the following devices connected to the docking station: keyboard mouse ethernet cable webcam ...
Giampiero Salvi's user avatar
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Built-in display stopped working - The screen can't be detected after boot on Ubuntu 22.04

I'm facing a new issue after trying to solve the NVIDIA brightness issue. My external monitor is working as expected but the built-in monitor is showing a black screen with an error and it is not ...
Leonardo Ferreira's user avatar
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Ubuntu 22.04 second display freezes intermittently NVIDIA

Sometimes my external monitor, which I connect to my laptop via HDMI, just freezes. It is detected by the display manager in settings and if I make a change to its settings and revert them back it ...
a_girl's user avatar
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Change display number from 2 to 1

I am using some extensions that are using Main.layoutManager to identify the monitor number, but my primary monitor is monitor number 2, this makes everything work on my secondary monitor rather than ...
Abdelrahman Elhosiny's user avatar
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LibreOffice Display problem

Suddenly, when I open a new spreadsheet in LO, I only get the icon in the margin, showing a spreadsheet is open, but it will not display. This suddenly started happening. I can click on the icon, but ...
Rogier van Vlissingen's user avatar
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UBUNTU 22 + NVIDIA second monitor brightness issue

I have a second monitor connected to the laptop and EVERY TIME I start the computer I am forced to set the screen brightness as the setting is always set back to the default Brightness 0, Constrat 0, ...
Leonardo Ferreira's user avatar
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107 views

New kernel version causes my second monitor not to work

I use Ubuntu 22.04.03, and I tried to update my kernel from v6.2.0-31-generic to v6.4.13 So, I downloaded: linux-headers-6.4.13-060413_6.4.13-060413.202308301431_all.deb linux-headers-6.4.13-060413-...
Valentino's user avatar
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Monitor automatically immidiately disables

I have a laptop (nvidia GPU) with two external monitors connected. One of them is connected via a USB-C to DP adapter. This one works fine. The other is connected via a HDMI cable. The HDMI-cable-...
birgersp's user avatar
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HDMI monitor on Lenovo USB-C dock disconnects randomly

So, I have a System76 Lemur Pro 9 laptop, running Ubuntu 22.04. I have a Lenovo USB-C dock connected, and a Sceptre C35 monitor plugged in via HDMI (though the behavior is the same if I use ...
John Chrysostom's user avatar
3 votes
1 answer
162 views

How can I let Xubuntu / Xfce ignore me turning my screen on/off?

I'm using Xubuntu Jammy 22.04.3 LTS with Xfce 4. I have a multi-monitor setup and I don't like the default behaviour when I turn one of my screens off. When I turn a screen off (using the button on ...
Paul's user avatar
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1 answer
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The monitors don't turn off completely, they stay black with the backlight on

I have ubuntu 22.04 and an nvidia 1050 Ti graphics card to which I have two (3840x2160) monitors connected, one on the HDMI-0 output and the other on the DP-0. When the energy saving options should be ...
Luis's user avatar
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How can I share my secondary monitor to a remote system as if it were directly connected to it?

Introduction A laptop typically has either a VGA or HDMI connector as a display port, and some laptops even have both. If you connect a secondary monitor to this laptop, you can easily drag and drop ...
Manuel Jordan's user avatar
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How do I apply display settings to login screen in Ubuntu 22.04? [duplicate]

Ubuntu's Display Settings seem to be user-specific and are not applied until after login. How can I make my display settings apply to the login screen as well? (This is quite annoying cause it causes ...
Mossmyr's user avatar
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How to boot from external display - Ubuntu 22.04?

I have setup with 3 external monitors while lid of my laptop is all time closed. I power up using button in dock station. In BIOS I switch option to boot up from external monitor. Everything was ...
Harord's user avatar
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Ubuntu 22.04 (budgie desktop) OS works perfectly if no external monitor is plugged in, otherwise the external screen is black and the OS is SLOW

I have installed Ubuntu 22.04 in an external SSD. the operating system is working properly. I am using a laptop to run the operating system. Upon installing the OS, an external monitor that I use at ...
Nan's user avatar
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0 answers
12 views

How can keep the screen layout after turning off the screens with a DELL D3100 Docking Station?

System Specs Ubuntu Version: 22.04.2 LTS Tiling Window Manager: I am using i3WM Docking station: DELL D3100 I have this monitor arrangement in the DELL D3100 Docking Station: Where: DP-0: Laptop ...
Geppettvs D'Constanzo's user avatar
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Second Monitor shows BIOS errors after startup

I have been using a second monitor with this computer for over a year and recently the computer starts up, shows BIOS errors on monitor 2 and behaves normally on monitor 1 booting into Ubuntu. . The ...
brothman01's user avatar
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58 views

23.04 wrong scaling with dual monitor setup with internal 4k screen

I've been running this dual monitor setup on 22.10: Internal: 3840 x 2160, scaling 200 % External: 3440 x 1440, scaling 100 % This has been working nicely in 22.10 i.e. apps switched the scaling ...
robsn's user avatar
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1 vote
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HDMI Extender with Ubuntu has Colour Problem – Other OS works fine

I have installed a Mini HDMI Cat5e/6 Extender (Digitech AC-1726) onto my Ubuntu 22.04 LTS system to allow a second monitor to be operated in the next room. Everything is working except that there is ...
Timbergetter's user avatar
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0 answers
23 views

System no longer recognises I have two monitors and is forced to 720p

I've been using Ubuntu on my desktop for a few weeks with two Dell P2417H 1080p monitors connected to a GeForce 1050ti GPU, one via HDMI and the other via Display Port. I booted my machine today; only ...
MattEvansC3's user avatar
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0 answers
48 views

New ubuntu install on HP laptop. External display not working

Installed Ubuntu 22.04.2 (Ubuntu server minimal install) on an old HP TouchSmart 15 laptop. Everything seems to be working fine, except for the external monitor. It seems to be detected by ubuntu, but ...
chdprasad's user avatar
2 votes
0 answers
28 views

How can I simulate unplugging a monitor's HDMI cable and plugging it back in?

This question is not about how to fix my system to work as it should. If you want to answer that question, see my prior question. In order to get my three monitor system to work I have to physically ...
James Bowery's user avatar
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95 views

Ubuntu 22.04.2 not recognizing 2nd monitor

I recently bought a new ASUS ROG Strix laptop and did a fresh installation of Ubuntu 22.04. Everything was fine until I plugged in my 2nd monitor through HDMI. I wasn't able to get it to work no ...
Kavishka Gihan's user avatar
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26 views

monitor/gpu crashes when expanding window on dual monitor/dual AMD GPU setup

I have a new machine using Ubuntu 23.04 with dual AMD 7900 XTX GPUs. I had 2 4k monitors connected with display port with one to each card. If I moved a window from one screen to the other, it's fine ...
Caleb Pitman's user avatar
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0 answers
13 views

Double Commander starts always on seconde screen at double screen environment

I am Using Ubuntu 20.04.3 LTS with two screens and installed the filemanager Double Commander. So far no problems, but the Double Commander starts always on the second screen, which I usually don't ...
Floralys's user avatar
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21 views

Ubuntu 23.04 Lunar Lobster - GUI Bug with Dual Screen (minimie, maximise icons)

Yes Im sure its a bug. Im reporting the bug for the first time and Im not sure what is needed for someone to fix this. I settled on ubuntu and I really dont want to go back to Windows but this is ...
MP_IRL's user avatar
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28 views

HDMI connection percieved as DisplayPort

I'm using MacbookPro16,1 with AMD Radeon 5500 on kubuntu and amdgpu driver that comes with kubuntu-23.04-6.4.7-t2-lunar from this github repo dpkg -l xserver-xorg-video-amdgpu shows following ||/ Name ...
Herman He's user avatar
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23 views

Monitor with built-in USB, webcam not detected

I have Asus BE24a monitor connected via DisplayPort to Nvidia Quadro K2000. The monitor has built-in line-in input, loudspeakers and 2 USB ports. The loudspeakers are detected by Ubuntu as output ...
duke_silver's user avatar
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0 answers
66 views

Second monitor can't be detected, suddenly despite drivers updates

I used to plug in through HDMI a monitor to my laptop. Today it refuses to work, the monitors says no signal from the source. I updated the Nvidia drivers, I have a Quadro M600M. I tried all the ...
Alessandro's user avatar
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0 answers
66 views

Xorg configuration with hybrid graphics (amd / nvidia) and multiple monitors

I have a Asus laptop, TUF566IV, running Kubuntu 23.04. It comes with a RTX 2060 and an integrated AMD gpu. I initially had a single HDMI external monitor and the display was handled by the iGPU, using ...
Jackson_DKMG's user avatar
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0 answers
50 views

Second Monitor suddenly not detected

I installed Ubuntu v22.04 about 3 weeks ago and on the same day, selected and installed the Nividia 535 driver and was using it until now without any issues. This morning, I boot up my PC, and only ...
Nick's user avatar
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1 vote
0 answers
29 views

Make LidSwitch suspend *with* external monitor connected in 22.04

There are lots of confusing discussions out there related to these settings in logind.conf HandleLidSwitch HandleLidSwitchExternalPower HandleLidSwitchDocked LidSwitchIgnoreInhibited Most people seem ...
user284445's user avatar
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46 views

VS code running slow in ubuntu 22 on single monitor

I am running Ubuntu 22.04.2 LTS in a dual monitor setup and whenever a monitor is turned off, VS Code starts to lag in another monitor significantly It starts taking around 1-5 seconds to register key ...
user204682's user avatar
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84 views

Ubuntu 22.04.2 LTS Not able to connect external monitor using HDMI

I have HP Probook 450 G8 notebook with Ubuntu 22.04.2 LTS installed. Whenever I try to connect to second monitor using HDMI, the display settings is kind of refreshed, suddenly losing the second ...
Hemant Sah's user avatar
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0 answers
75 views

Multi screen not working on Ubuntu 22.04 on Lenovo laptop

I have a dual operating system Ubuntu 22.04.2 LTS and Window 11, on window 11 the external two screen works fine while on Ubuntu it does not and I can't see any configuration in the setting. The ...
amed svensson's user avatar

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