Questions tagged [multiple-monitors]

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

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Horizontal colored lines appearing on display (Ubuntu 22.04)

While working with my DELL XPS 13 laptop (shipped with Ubuntu), sometimes colored horizontal lines appear (I cannot recreate the beahvior, it seems random). I tried attaching an external monitor to ...
CuriousGuy's user avatar
0 votes
0 answers
117 views

DP Alt mode USBC stops work working periodically

I have Lenovo Thinkpad P1 Gen 3.(Nvidia Quadro graphics and a video output controller.) And a Lenovo 1 wire monitor - USB-C Hub + DP Alt mode. This setup's video (DP part) randomly stops working and ...
Aleksandr Panzin's user avatar
1 vote
1 answer
159 views

External display brightness dim - Ubuntu 22.04 LTS

System configuration: Dell XPS 13 9310 2-in-1 laptop Intel i7 11th Gen Mesa Intel XE Graphics (TGL GT2) Ubuntu 22.04 LTS 64 bit Gnome version 42.5 Wayland windowing system External displays used: ...
user3126996's user avatar
0 votes
0 answers
38 views

how to monitor if a file size not change do something in ubuntu

the goal is that if my file.log size does not change in 10 minutes then send two HTTP requests to some servers. something like this: check file.log if not change in 10 min send HTTP request to http://...
Saeed Ramezani's user avatar
1 vote
0 answers
59 views

Xubuntu 18.04 laptop screen blank after unplugging from external monitor. How to change primary display using terminal?

I used to use an external monitor and had the display setting to external only in my house. Unfortunately I'm out of town and don't have an external monitor with me right now, so I am greeted by a ...
aufwuch24's user avatar
0 votes
1 answer
152 views

Ubuntu 20.04 doesn't show external display options

I am trying to connect my laptop to an external display (TV/projector) using a Ugreen HDMI-to-USB C adapter. This process has worked on my windows system but ubuntu doesn't show this option for me at ...
Abdul Munem's user avatar
0 votes
0 answers
124 views

Ubuntu GNOME desktop glitch on multuple monitors

I do not even know how to describe this issue, I tried to search for it, but any of the wordings I tried seems to fail... I am using Ubuntu 22.04; before this, I was using 20.04; the problem carried ...
Bedir Tapkan's user avatar
1 vote
2 answers
170 views

Mouse hesitates as it approaches bottom of monitor screen

I have recently started using a 27" dell monitor with my xps 13 (7390) running 22.04.1. My display settings are as follows: using single display mode, landscape orientation, resolution 3840x2160 (...
Julian's user avatar
  • 140
2 votes
0 answers
173 views

On a multi-monitor system, with displays of varying heights, the mouse goes off screen

Ubuntu 22.04, up to date. Had to reboot into Windows briefly today, and when I came back this problem presented itself. Display settings: Three displays, one of which is portrait which is both higher ...
Phoenix's user avatar
  • 121
1 vote
0 answers
27 views

Is there a way to create shorcut that move an app on specific workspace AND specific screen

As many I'm using 2 screens on my desk. I have one laptop with its screen and an additional monitor. I'm using 4 workspaces. Workspaces are used only on the main screen (the big one, not the laptop's ...
Tyteck's user avatar
  • 21
0 votes
0 answers
1k views

Ubuntu 22.04 not recognizing/using NVIDIA RTX 3050 GPU, black screen on boot (sometimes), external monitors not being recognized and/or used

I'm running an Dell XPS 17 laptop. This is a dual boot with Windows 11. The graphics card is recognized on Windows but not Ubuntu. In Ubuntu my Nvidia drivers are up to date. In the About -> ...
SalvosMachina's user avatar
1 vote
1 answer
354 views

4K External Display USB-C Doesn't Work - Defaults to 2K

I've been troubleshooting this problem for some time and can't seem to find a solution for this. I'm also having a hard time exactly pinning down where the problem may be. So, any help just ...
lachoneus's user avatar
0 votes
3 answers
873 views

Second monitor detected but no signal on Lenovo P16 Gen 2

I've been struggling with this problem for a while and been trying out different suggestions but none have worked yet, so I'll ask here! I run a Lenovo P16 Gen 2 and use its monitor and want to use a ...
Maddin's user avatar
  • 1
1 vote
0 answers
99 views

New to gaming / having high performance display(s) in linux ubuntu

I'm sorry if this (seemingly dead) horse has been beaten more than it should (I was never in loop to begin with) but if it must be beaten once again, feel free to drop the links to the comprehensive ...
Johnsons's user avatar
  • 101
5 votes
0 answers
124 views

Set Large Text from Accessibility for only one screen

I am using ubuntu-22.10 with Wayland. I am facing issues setting the display settings of my laptop and monitors. I am using two external monitors and my laptop display. Their highest resolution is as ...
Ankit Koirala's user avatar
2 votes
0 answers
62 views

My laptop screen is black, but my secondary monitor is working (Ubuntu 20.04.5. LTS) [closed]

I've been using my laptop (Acer Nitro 5, AMD Ryzen) with an additional screen (connected via HDMI), daily, for about two months now, and it's been working fine. Now, the built-in display doesn't work ...
smegchad's user avatar
0 votes
1 answer
158 views

Cannot change my second monitor resolution to 1366x768

I'm a new Linux user I just installed ubuntu on my laptop after it got installed, I connect my second monitor via VGA and that monitor cant reach 1366x768, it says on the setting that it only can ...
Mori Kitagawa's user avatar
3 votes
1 answer
549 views

Screens turning off after 30 seconds when I connect external display

I'm using stock Ubuntu 22.04 with default installation of Gnome and Wayland on ThinkPad T14 (Intel graphics). I have disabled screen blanking in all places that I could find. System respects my will ...
user1234567's user avatar
0 votes
1 answer
414 views

Ubuntu only works with one screen (22.04 LTS)

I changed something in the monitors.xml file located at /var/lib/gdm3/.config (I created it there before because my login screen was on the wrong monitor, I have two screens. This worked perfectly ...
Nimiro's user avatar
  • 1
7 votes
4 answers
33k views

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 ...
Bhavesh Odedra's user avatar
0 votes
0 answers
2k views

remote desktop without monitor real display

and thank you in advance for the attention. I have an ubuntu 18.04 lts 32 bit ( don't say me to upgrade please, I cannot ). I installed on it anydesk software to remotly control it at start up also (...
lp14190's user avatar
1 vote
1 answer
601 views

HDMI doesn't work on Thinkpad T16 with Ubuntu 22.10/22.04

I have a brand new laptop (Lenovo ThinkPad T16 Gen 1) with Ubuntu 22.10 installed (I had 22.04 and thought that upgrade of the system + kernel would solve it) and so far I haven't been able to get ...
WellBloud's user avatar
  • 265
2 votes
0 answers
116 views

Random windows & application switching between monitor when multiple monitors go to sleep

TL;DR Is there a way to delay the window manager automatically moving applications to active monitors when one of multiple monitors turns off? I'm running KDE. I'm running Kubuntu 22.04. I have a ...
C.D.'s user avatar
  • 331
1 vote
0 answers
133 views

Distorted Screen / wrong aspect ratio when mirror 2 screens with different native resolutions

Hi I have 2 screens with the native resolution of 1920 x 1080 16:9 and 1920 x 1200 16:10 When I mirror the display with the resolution of 1920 x 1080 16:9 in Windows then I get a black bars on top and ...
Mystical Devotion's user avatar
0 votes
0 answers
403 views

Ubuntu 22.04 LTS new kernel (5.15.0-58) leads to pink screen of death when NOT using second monitor

I have a dual boot setup on an hp spectre-x360 from circa 2019 (13-ap0xxx). When I initially installed Ubuntu, I was getting a pink screen of death with the default kernel (I believe it was 5.15.0-47 ...
alon Tones's user avatar
0 votes
1 answer
126 views

Does this Dell 'driverless' dock work with Ubuntu?

Dell sell this "USB-C 8-in-1 Driverless Mobile Dock" which includes HDMI video out https://www.dell.com/en-uk/shop/usb-c-8-in-1-driverless-mobile-dock/apd/ab808698/pc-accessories#...
Conor O'Neill's user avatar
2 votes
2 answers
2k views

Ubuntu 22.04 slow/laggy on external monitor via USB-C hub displayport 1.4

I have been using my Lenovo Thinkbook 14 (AMD Renoir) running on Ubuntu 22.04.1 in combination with an external monitor (Dell U2720Q, 27") via a USB-C displayport 1.4 for a year now without ...
Wolfgang's user avatar
1 vote
0 answers
28 views

Radeon 5600 - 4th screen with low resolution

I have 4 monitors connected to a Radeon 5600XT on Ubuntu 22.04 using the latest amdgpu driver from the vendor's website. Three monitors are detected properly and work with a high resolution - the 4th ...
Olf's user avatar
  • 51
4 votes
1 answer
1k views

Ubuntu Thunderbolt docking station Monitors not working

I am trying to get my Ubuntu laptop to work with my new docking station, with passthrough of everything via just thunderbolt. Docking Station: i-tec USB-C/Thunderbolt KVM Docking station Dual Display ...
blitz1616's user avatar
  • 223
0 votes
0 answers
440 views

Old Mac not recognizing external monitor

I installed 22.04 on an old MacBookPro9,2 (mid 2012), dual boot. I have included third-part drives. My external display (old Lenovo, full HD) is either blank or only visible at low resolution. The ...
FranzCaviglia's user avatar
2 votes
1 answer
306 views

Upgraded to 22.10 and can no longer scale resolution on my 3 x 32" monitors

I just updated to 21.10 and now cannot scale any of my 3 32" monitors. Everything has worked fine with Ubuntu 18 to 22.04 with no issues. Now I get a message that says: "Changes cannot be ...
zach's user avatar
  • 41
1 vote
0 answers
40 views

Attached monitor is off, but window is still there, and I can't move the application back to active monitor

I sometimes use an external monitor on Ubuntu 22.04.1 LTS. However, the monitor is off now. The problem is that sometimes application windows will get sent to the deactivated monitor, upon which they ...
con's user avatar
  • 308
0 votes
1 answer
389 views

Recently upgraded to Ubuntu 22.04 and now my monitor is shown as 'Uknown Display' and second monitor doesnt even show up

I followed some basic instructions: ubuntu-drivers devices and and ubuntu-drivers autoinstall to install the nvidia nvidia-driver-515 but my monitor, which is Benq XL2411, is shown as Unknown Display ...
Billy Matlock's user avatar
0 votes
1 answer
45 views

how can I make windows appear on unfocused monitor

I am on ubuntu 22.04.1 LTS on the gnome window manager and have became very annoyed over a feature - or absence of a feature, where when I open a new window it covers up whatever I am on, when there ...
fozzy's user avatar
  • 3
0 votes
1 answer
394 views

Text is blurry ubuntu 22.04

So i recently switched to ubuntu. Everything works good and i love it! But there is a one problem that's been driving me crazy. The text is not sharp on my external monitor(27 inch 1920 x 1080) but ...
TheMystery's user avatar
0 votes
0 answers
50 views

how can i literally shrink the size of one of my monitors?

I saw a question very similar to this, "how do I shrink my monitor's size?" wherein the asker requests a black margin surrounding their screen; how would I achieve the same thing on Wayland? ...
cupofdirtfordinner's user avatar
0 votes
1 answer
2k views

DELL Dock station WD19S not recognized on Ubuntu 22.04

I'm trying to connect a Dell Dock station WD19S on my Ubuntu 22.04 laptop (my goal is to connect 2 external monitors to my laptop). Under Devices list, when I plug in a USB-C cable from the Dock ...
Louis's user avatar
  • 11
2 votes
1 answer
169 views

How do I get windows to restore their position when (dis)connecting external monitor on laptop?

I recently did a fresh install of Kubuntu 22.04 on my laptop and having troubles with my laptop and an external monitor. When I disconnect my external monitor, which is larger than the laptop, the ...
edA-qa mort-ora-y's user avatar
1 vote
2 answers
2k views

Ubuntu 22.04 nvidia gpu immediately puts display port connected monitors in standby mode

Setup and Problem I'm running a Ubuntu 22.04 with a Nvidia RTX 3070-ti with two monitors. The GPU has 1 hdmi port and 3 display ports. Whichever monitor is plugged into the hdmi slot is by the ...
neav's user avatar
  • 11
0 votes
0 answers
512 views

Upgraded to Ubuntu 22.04 and laptop's Primary Display is Not Working

I was on 20.04, and both displays were working without any issues. But, ever since I upgraded to 22.04, only the external display is working, and the primary display is black with a non-blinking ...
Aniruddh Joshi's user avatar
0 votes
1 answer
221 views

ASUS VA249 HE monitors on ASUS PRIME Z690-P D4 Motherboard

I have dual monitor setup. Both monitors are Asus models VA249 HE. They are connected to the Display and HDMI ports of the Asus Motherboard. I am running Ubuntu Ubuntu 22.04.1 LTS. When I boot with ...
chribonn's user avatar
  • 291
1 vote
1 answer
197 views

Independent multi-monitor dock configuration

I have GNOME version 42.5 and multi-monitor setup. Is it possible to have an independent configurations for a dock for each monitor. For example to have a dock on left on the left monitor and on ...
Alex's user avatar
  • 308
0 votes
1 answer
2k views

HDMI not working after update on Lenovo

I have a Lenovo Legion 7 16ACHg6 that for a week decided not to detect any external HDMIs nor other types of cables. It is a dual booted laptop with Windows 10 on another disk (disabled Secure Boot, ...
opisthofulax's user avatar
0 votes
1 answer
42 views

Make freshly connected external monitors always start with empty desktop

When I connect an external monitor to my laptop various windows I had open will end up displayed on that external monitor. I am guessing it is remembering what windows were displayed where last time i ...
Frames Catherine White's user avatar
0 votes
0 answers
22 views

Hub multi-port mistook for an external monitor when headphones plaggued in

I bought this hub, and, whenever I plague my headphones in, the computer thinks I got an external monitor (see attached screenshot). I tried with different headphones and the result is the same. I ...
CuriousGuy's user avatar
0 votes
1 answer
156 views

Lubuntu 20.04 keeps trying to use two monitors even if a secondary monitor is unplugged, settings reset after reboot

Problem details I used to use a second monitor ages ago, but I do not use it anymore. I never want again to use a second monitor. The second phantom non-existing unplugged monitor is used by default ...
Nairum's user avatar
  • 221
1 vote
1 answer
71 views

Multiple monitor app interface duplication issue

I am using a laptop and 2 monitors connected to it (laptop display is set as main). While using those monitors, in some situations (didn't observe a cause to trigger this effect), when an application ...
Vlad-Sebastian Cretu's user avatar
0 votes
0 answers
1k views

Ubuntu not detecting monitors via USB-C

I know that in the past there have been many similar issues but none of the troubleshooting has assisted in my iteration of the problem. I am using a USB-C to HDMI Dual Display Adapter (Wavlink WL-...
Hafemeyer's user avatar
2 votes
0 answers
60 views

Ubuntu Forgets Samsung G9

One of my displays is a Samsung G9, and every time I lock the machine and the displays go blank, Ubuntu has "forgotten" about the G9 when I log back in. It works fine on the next restart, ...
fedora's user avatar
  • 131
0 votes
0 answers
506 views

How do I save my dual monitor configuration?

My system uses dual HDMI monitors and until this upgrade, they were working as expected. Now, however, whenever the PC goes to sleep, and is reawakened or even if the monitors themselves go into their ...
DonP's user avatar
  • 384

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