Questions tagged [display]
Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)
3,862
questions
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How to Enable Dual Monitor Display on Vivobook 15 M513 Running Ubuntu 22.04 LTS
I have a Vivobook 15 M513 (AMD Radeon Graphics) laptop running Ubuntu 22.04 LTS and encounter issues with connecting a second monitor via USB-C for display. The primary monitor works fine with HDMI, ...
0
votes
0
answers
18
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Unable to change display resolution on ubuntu-frame with Raspberry Pi
I'm using a Raspberry Pi 4 that I've loaded with Ubuntu Core 22 32-bit using the Raspberry Pi Imager. This Pi will be used in a kiosk mode without external keyboard and mouse, as it's a touch display.
...
3
votes
1
answer
14k
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Can "gnome-network-displays" work on a Ubuntu 20.04.3 running on Oracle VM VirtualBox
I am trying to simulate casting my display to a miracast sink on linux. It seem like gnome-network-displays is a good option. I was having trouble getting it to work and was not sure if the fact I am ...
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 ...
0
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0
answers
35
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+50
Flashing white screen when GPU is deployed for AI generation tasks
Ubuntu screen flashes white, sometimes partially, sometimes on the whole screen when GPU is used for processing generative AI workloads. It is very annoying and I have to logout and login again every ...
0
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0
answers
24
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How to set “Scale” to “100 %” using command line?
Running Ubuntu 22.04.4 LTS on Wayland.
Tried gsettings set org.gnome.desktop.interface scaling-factor 1, but that doesn’t work.
I would like to set scale using script vs have user set scale using GUI.
3
votes
2
answers
11k
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Ubuntu 18.04.1 LTS only one resolution available
I have an XPS13 with an Ubuntu 18.04.1 LTS running on it. It has a Intel Corporation HD Graphics 5500 integrated graphical card. Everything was fine till the last reboot (before the reboot I have ...
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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
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0
answers
36
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Ubuntu is not recognizing my displays
Ubuntu is not recognizing my displays, I have two of them a samsung F27T352FHR plug in by hdmi and a Msi G2722 plug in by display port. It's only swich in on the msi but it thinks is the samsung ...
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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 ...
0
votes
0
answers
311
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Menus, fonts, buttons really small in some apps on Ubuntu 22.04
In Ubuntu 22.04 (fully updated as of this post), in some applications, the menus, fonts, and buttons appear really tiny. Does anyone have any ideas on how to make these readable / larger / consistent ...
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 ...
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0
answers
13
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Gnome Flashback (Metacity) dual displays/monitors and workspaces
I'm using Gnome Flashback (Metacity) on Ubuntu 22.04. I connected a second monitor and have it set up as "join displays". Now whenever I switch workspaces it switches on both displays. There'...
1
vote
1
answer
1k
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Ubuntu 20.04 - Kodi full screen issue
Image 1: 80% full screen
Image 2: Graphic glitches
UPDATE: After disabling fractional scaling and setting the scale to 200% it all works fine.
Seems I cannot have fractional scaling enabled and use ...
0
votes
0
answers
14
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Display problem with installation on Mac Book Pro; two displays LVDS-1 and LVDS-2
Ubuntu 23.1 installed correctly in a MacBook Pro (2009) but I only get to display a portion of the desktop with no access to any icon. I was able to start a command line window and by using xrandr I ...
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votes
1
answer
34
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No Display on external monitor
I'm running Ubuntu 22.04.3 LTS on my Asus TUF laptop which has a hybrid graphics card setup amd + nvidia. When I'm running windows I can see display on the external monitor but when I'm running ubuntu ...
0
votes
1
answer
39
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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 ...
0
votes
1
answer
40
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share display without network connection
I want to share the screen with another monitor or PC without any network connection (there may be a hardware connection). I am using Ubuntu 22.04 emmc khadas vim4. There is no screen mirroring ...
1
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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 ...
0
votes
1
answer
78
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(X)ubuntu 22.04 boots to flashing cursor after PSU failure - unless Recovery Mode is selected
This PC is Ubuntu Studio but with Xfce installed.
Recently the PSU blew, causing power to arc across the room. But having replaced this part I'm able to log in normally - provided I go into Recovery ...
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
26
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Where could I find the configuration files for the `Activities Overview application` and its folder structure?
I'm looking for the configuration files related to the Ubuntu Dash application. I want to backup the folder structure after customizing my applications in the Activities Overview, but I'm unable to ...
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
0
answers
496
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Ubuntu doesn't support the necessary drivers for my adapter. What should I do?
I am trying to connect two monitors to my laptop which is running Ubuntu alongside Windows 10 as dual boot.
I plugged the first monitor to the HDMI port and the second to the usb 3.0 port via a usb to ...
0
votes
0
answers
35
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Is there a way to launch a GUI program without a window on Wayland?
I just recently switched from X11 to Wayland and was wondering if there was any way to launch a GUI program without it actually occupying a window on the screen. I used to accomplish this in X using ...
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votes
0
answers
37
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I am running Mantic Minotaur. The display is completely desaturated. Please help me return the display to a normal set of colors [duplicate]
My display running Ubuntu Studio Mantic Minotaur (23.10) is completely de saturated. Can anyone point me to a reason why this would be happening?
I am a little disappointed that my previous post was ...
30
votes
7
answers
37k
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How to turn off the display via the command line?
Is there a way to turn off the display (enter power saving mode) using a command?
For example, when the computer is inactive for a specific interval, the screen turns off to conserve energy. Is there ...
0
votes
0
answers
50
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Screen flickering in Ubuntu 22
Flickeringscreen
My laptop screen suddenly started flickering few days ago like shown in the above image. I got my laptop cleaned up and the flickering went away for a few days but started again now. ...
0
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0
answers
62
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Ubuntu keeps showing either black screen or display output is not active when using emulation
For my pentest course I am required to use an ubuntu vm as my target vm.
my computer environment:
I have a macbook air M1, I am installing it with emulation via UTM as it is a qcow2 file. System ...
12
votes
7
answers
20k
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Black screen after logging in, after upgrading to 20.04
I tried adding a new user and it works, I can login just fine with that user. So I tried removing (renamed it) my home directory, and that also fixes it.
Then I tried removing the .config/monitors....
2
votes
3
answers
11k
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vmwgfx failure on Ubuntu boot
An Ubuntu (64 bit) virtual machine was working on a Windows 10 computer through VM VirtualBox Manager without a problem. Today, suddenly, it gives the error below during the boot.
vmwgfx 0000:00:0Z.0 [...
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, ...
1
vote
2
answers
3k
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Display became too big for the screen after installing an update for Ubuntu 18.04 LTS
I am new to Linux and my laptop is asus gl552vw with two graphic cards, one of them is NVIDIA Gforce. I find both ASUS and NVIDIA have problem on Linux especially in terms of high resolution and all ...
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votes
0
answers
50
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Display is monochrone - Using Mantic Minotaur in both Wayland and X11
I am using Mantic Minotaur and the display is completely desaturated. Please help me return the display to what it was under previous versions with normal level of color.
1
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0
answers
47
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Ubuntu is lagging on a UN50JU6500F TV
I have installed Ubuntu (24.04.4) and connected it through HDMI to the UN50JU6500F Samsung TV. When I log in, the mouse and really everything starts to lag enormously, rendering the PC unusable.
Funny ...
7
votes
1
answer
1k
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Ubuntu 22.04 / Modify Power Saver Behavior (Do Not Dim Screen)
First of all, I think it's really cool that Ubuntu 22.04 (I upgraded from 20.04, the last LTS version) now has the ability to switch between different profiles. Depending on what I do, I have times ...
2
votes
1
answer
7k
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Configure Xorg to use integrated Intel, not Nvidia
I know I should change the configuration in something like a 20-intel.conf file that should be somewhere, but I could not find it and I suspect that might highlight deeper problems, it is not in /use/...
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-...
1
vote
0
answers
35
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No dual display obtion on my Ubuntu 22.04.4
I am using a Lenovo Thinkbook 16 G6 (2024 version) laptop. I tried to install Ubuntu 22.04.4 (dual boot with Win11), but when I needed to use dual display, I found out that my Ubuntu has no dual ...
1
vote
0
answers
14
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External monitors not remaining off after screen lock/suspend
I am using Ubuntu 23.10 on a laptop and a desktop. The external monitors are on separate rigs (one on my downstairs laptop setup) and one permanently connected to my upsatiars desktop).
On both, when ...
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
1
answer
5k
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Cannot install RTX 2080 Ti in Ubuntu 18.04 LTS
Cannot install Nvidia driver for RTX 2080 Ti in Ubuntu 18.04 LTS !!!!
I am trying to install nvidia driver with RTX 2080 Ti in Ubuntu 18.04 LTS
After Installing nvidia-driver (version 418.57) , the ...
1
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0
answers
46
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Ubuntu 22.04 LTS after change to X11 from wayland, external monitor shows display blur with intense yellow
Because Wayland does not support remote control on Ubuntu, so I changed Wayland to x11 by
sudo gedit /etc/gdm3/custom.conf
and remove '#' from
#WaylandEnable=false
But after this, my external monitor ...
1
vote
1
answer
4k
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DVI-VGA adapter problem
Is it possible to add unsupported resolution when monitor is connected via DVI -> VGA (passive probably) adapter? The problem is that the monitor (Acer AL1916W) is reported as CRT monitor, mainly ...
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 ...
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0
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17
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Need Help Setting MSI Pro MP271AP 27" Monitor to 100Hz in Ubuntu
I recently purchased an MSI Pro MP271AP 27" monitor with a 100Hz refresh rate. While the monitor functions perfectly at 100Hz in Windows, I'm encountering difficulties setting it to the same ...
5
votes
7
answers
8k
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Istat menu 3 of Mac equivalent?
With Mac, I have istat that shows computer info (memory/cpu/network ...) in real time.
Does Ubuntu have a similar application?
51
votes
10
answers
71k
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Is there a software utility to adjust screen gamma/brightness/contrast?
I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
1
vote
0
answers
39
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How to fix display resolution issues on 2019 iMac 21.5in retina4k running 22.04
Apple specs says the display runs at a 4096x2304 resolution. By default on a fresh install of Ubuntu 22.04 the maximum selectable resolution is 3840x2160. I edited the grub configuration file to set ...