Questions tagged [display]

Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)

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Screen rotating regardless of the power status of the monitor. Ubuntu 18

I need to rotate a screen, so I created in home directory a file /.xprofile. In this .xprofile file I wrote command: xrandr --output HDMI-1 --rotate left and it works properly. If I reboot full ...
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Dell XPS 15 ubuntu 20.4.4 LTS connect to docking station display crash randomly

I have an issues with Dell XPS that connect to Dell D6000s docking station that connected to 2 monitors, the display randomly crashes and then the laptop screen turn black after a minute its lines up ...
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Wrong external screen resolution after wake up from sleep

After the Ubuntu distro upgrade (upgrade from LTS 20.04 to LTS 22.04, running KDE) I started experiencing a problem with external screen resolution after the wake up from sleep. The monitor resolution ...
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Xubuntu 18.04 suddenly slow booting, not detecting second monitor, bootlooping and occassionally starting in emergency mode

I have an Acer Predator Helios 300 2019 laptop with dual boot for Xubuntu 18.04 and Windows that I have been using for around 3+ years now. Last Friday, my second HDMI monitor suddenly did not work, ...
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Update to 22.04 from MATE on 21.10 and now my background is all messed up

I just updated from 21.10 -> 22.04. I was using MATE and had run a script (impishgdm) to set the gdm3 login screen. Then I updated. Not sure if impishgdm caused this but after updating to 22.04, ...
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Low display resolution on 21.10

I have recently migrated to Ubuntu 21.10 from Windows. After installation, my display resolution is set to 1024 X 768, my processor is: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz. I tried lshw -c video ...
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HDMI disconnects

So i have a laptop connected to a 240hz monitor. I usually use 120hz. However, when i open some applications or type "xrandr" in console to look at my settings, the HDMI disconnects for a ...
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Setting position re Monitor Settings (Lubuntu 20.04.4 LTS)

I have a laptop monitor and a primary 16:9 external VGA monitor, sitting to the left of the laptop. I need to reverse the default settings to make mouse transitions sensible and smooth across the ...
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Creating a "Virtual" Display to monitor multiple different displays

I'm working on an installation project that requires me to display visuals across 3 x screens which I am managing via Nvidia X-screen in XCFE (I am running an Nvidia RTX 3090 with 4 display ports). Is ...
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OS freezing with dual monitors on Ubuntu 22.04 LTS

I have a fresh install of Ubuntu 22.04 on a new laptop, with no other OS installed. When I connect to my monitor with the laptop open (so that the built-in display is active) everything freezes - I ...
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iMac Display issues

I have repurposed an older iMac and installed Ubuntu 22.04. Display shows 4 different unreadable screens when boot completes. When trying Ubuntu from USB stick used Safe Graphics mode and display ...
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Monitor not working on dynamic or discrete graphic mode

I have a Legion 5 Pro 2021 with Nvidia 3060 RTX and AMD Ryzen 7. Initially, I had brightness change issues which got solved by switching to dynamic graphics. That is both my graphic drivers are active....
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Second monitor inconsistently detected, resolution issues

I have a Lenovo Thinkpad X1 running 18.04. I've been using a Viewsonic external monitor for a few months now without issue. In the last few days, the monitor isn't consistently identified by my ...
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Dell precision 5760 + wd19tbs dock only shows 4K@30hz on HDMI

I have a Dell precision 5760 laptop, installed ubuntu 22.04, Nvidia driver is version 510. I connected my TV to wd19tbs dock HDMI port, and it can only dispaly max to 4K@30hz. While same hardware on ...
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NJStar runs on Ubuntu 22.04 display issue

My NJStar, Chinese editor on Ubuntu 22.04. The radical chart does not fully shown. Please see attached. Please advise how to fix it. error screen Thanks.
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Black screen problem in Ubuntu 22.04

I am using Ubuntu 22.04 LTS on my Dell laptop with [intel core i3 processor, amd-64 architecture, inbuilt graphics]. Recently I have updated my laptop to Ubuntu 22.04 from 20.04. After installing, it ...
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i-tec USB 3.0/USB-C Dual HDMI Docking Station won't find display on 20.04

My i-tec USB 3.0/USB-C Dual HDMI Docking Station works fine under Windows11 but won't find the display on Ubunut 20.04. I used the i-tec ubuntu driver for 20.04 but it simply does not show a display. ...
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Certain programs like Firefox and Slack don't respect display scaling on 22.04

I've been using Ubuntu for a while now on my laptop, and I just installed the new LTS version 22.04. I have a secondary display at the office. From the Gnome Settings I used to set the scaling to: ...
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Ubuntu 22.04 only blanks, but does not turn off screen

Recently upgraded to Ubuntu 22.04, and it seems like the power-saving feature does not actually turn off the screen(s) after X minutes, but just blanks them. When I manually run xset dpms force off, ...
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Web browsers don't support 1920x1080 (VGA)

Video example: https://www.youtube.com/watch?v=rgpnrDvZXk4 Ubuntu 20.04.4, 1080p 60hz VGA monitor that's using a VGA to DVI adapter to connect to my GTX 1070. The CPU is Ryzen 5 1600. There are ...
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Can not display this video mode ubuntu 20.04

I have installed ubuntu 20.04 alongwith windows 10 on my pc. The installation process looked fairly troublefree. On grub bootloader after selecting ubuntu and entering my pass the next thing that ...
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Ubunutu 20 crashes when changing screen display setting using wayland

On a multi-monitor setup with ubuntu 20, all screens are working but not matching my physical display setup, then I should drag and change the display screen place in the GUI, but after applying it, ...
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Full HD monitor resolution won't work even after adding xrandr mode

I've been having trouble with my monitor resolution. Originally the maximum I could choose in the settings menu was 1024x768. After running cvt 1920 1080, xrandr --newmode "1920x1080_60.00" ...
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Ubuntu 22.04 display question

i know very little about linux and Ubuntu but I thought i would try it. my display adapter is a Nvidia Geforce 1050 ti and I am using a 55 in tv for my monitor. everything worked fine until i changed ...
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Monitor resolution problem when installing ubuntu server

I’ve tried using multiple monitors to install ubuntu server, i was able to boot it and i reached a screen saying test/install ubuntu server. After pressing enter some lines showed up and errors ...
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AMD RX 580 is stuck at max memory clock frequency

According to radeontop, the memory clock of my videocard is stuck at 100% (2GHz). The videocard is Sapphire AMD Radeon RX 580. I'm running a 1920x1080 monitor at 144hz. The problem doesn't happen at ...
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Brightness control of secondary display (Ubuntu 22.04)

I used the following command xrandr -q | grep " connected" output was XWAYLAND0 connected 1920x1080+1366+0 (normal left inverted right x axis y axis) 530mm x 290mm XWAYLAND1 connected ...
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5 votes
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Ubuntu 22.04 LTS (Jammy Jellyfish) does not detect higher refresh rates on external monitors

Premise: like many other users, I have also encountered the following issue which has already been documented here: Can't use Wayland with Nvidia 510 drivers on Ubuntu 22.04 LTS although I am ...
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Why does fractional scaling in Ubuntu 22.04 show a warning message about impacting performance?

It has been a couple of years since Ubuntu added Fractional Scaling to the Displays settings. At the beginning there was the following warning which attended the user: May increase power usage, lower ...
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Desktop scaling is reset on every reboot

I set desktop scaling to 200%, reboot, and it resets back to 100%. It's a VirtualBox VM with video type set to VMSVGA. Any ideas how to fix this problem? Config info as requested: user@ubuntuvm:~$ ...
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ubuntu thinks the screen is 34inch insead 29inch

I installed ubuntu yesterday and it had many problems with the screen some i have been able to fix but some still unsolved. for somereason the os thinks my screen is 34 inch but I actully have 29 inch ...
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Ubuntu does not render on full resolution on Ubuntu 22.04 and 20.04 [closed]

EDIT. Solved! The cause of the problem was Legacy Boot. I set Legacy Boot disabled and Secure Boot enabled (apparently both should be disabled to fix the problem but for me disabling the Legacy Boot ...
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Blurry Screen on Correct Resolution with New Monitor

Edit: using Ubuntu 20.04 I believe I'm running XServer and not wayland. By getting my session ID from loginctl which is 2, and running: loginctl show-session 2 -p Type the output I get this: Type=x11. ...
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Custom refresh rate for external monitor BadMatch error

I'm using ubuntu 20.04 with xorg and I currently have a laptop which is connected to an external display via HDMI. This display runs at 60hz natively but you can overclock to 75hz tested in Windows ...
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Unable to set 100hz refresh rate on a ultrawide gaming monitor

I am trying to set the refresh rate of my monitor (Xiaomi Mi Curved Gaming Monitor. 3440 x 1440 native resolution) to 100 Hz on Ubuntu 20.04. As shown on here, the option appears in the dropdown menu ...
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Monitor connected through USB-C dock not detected

I have an HP Pavilion 14-dv0000sl, which has a USB-C w/ SuperSpeed and DP1.4 output (confirmed through the manual, and the USB-C port itself having the SuperSpeed and DP/thunder icon). I have bought a ...
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Error: couldn't open display [IP ADDRESS] on WSL 2 with Ubuntu 20.04

I am having issues displaying glxgears or any other GUI application, like Gazebo or rviz. I have VcXsrv as my windows X server for WSL2 with Ubuntu 20.04. I followed this link for instructions: https:/...
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External monitor suddenly drops frame rate

I am using a laptop that has a primary screen and I'm using an external monitor. I have manually made them both 60Hz but my external monitor has a lot lower frame rate than my primary screen. How ...
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grub customizer terminal error cannot open display

Error message when i type grub-customizer to terminal localuser:root being added to access control list Unable to init server: Could not connect: Connection refused (grub-customizer:14287): Gtk-...
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Ubuntu Server 20.04 change screen resolution

I am struggling to change the console resolution to something lower than 4k as it is too small but I cannot do it. I tried editing: /etc/default/grub and adding: GRUB_GFXMODE=1024x768 ...
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Black screen on multi-monitor setup with Shimian QHD display + Apple adapter

n00b here with a basic understanding of linux that could really use some help. I am currently running Ubuntu 20.04 on my 2018 Razer Blade 15 Advanced with a NVIDIA GTX1060 mobile and I have a dual ...
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2 votes
4 answers
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4k resolution for Ubuntu 18.04

I just got a new 4k monitor LG-27UL500, I am using Ubuntu 18.04.5 LTS but I can't set the resolution higher than 1920*1080. There a some similar threads about this topic (this one for example), but ...
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20.04LTS Upon restart, heavy screen flickering and stuttering, plus moves horizontally tearing to the right side

Upon shut down / startup everything is OK, but on restart or log off / back on, these errors start to take place, stuttering and flickering more and more violently as time goes on with any movement ...
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ThinkPad OneLink Pro does not recognize external monitor correctly, x1 Carbon 21.10 Wayland

When I first plugged in my ThinkPad OneLink Pro Dock, with an external monitor (really a Samsung TV) connected via a Displayport-to-HDMI cable, and it worked. My computer is an X1 Carbon 3rd gen. Then ...
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poor performance at startup related to DISPLAY env variable equal to :1 on 20.04

I've been running Ubuntu 20.04 on a fairly recent Lenovo laptop for over a year now and I have been living with an intermittent problem related to poor performance right after startup. Some examples: ...
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Second monitor not working via USB-C [duplicate]

When I search online, I saw a couple of similar issues but most of them are with Dock station. I am not using a dock, I am using HDMI to USB-C cable. HDMI part connects to the external monitor and USB-...
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How to check if external monitor is turned on and connected

I'm looking for a scripted way to check if the external monitor is on and connected. My Ubuntu laptop often fails to turn on the external monitor after sleep or a blank screen. I've long since solved ...
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Two external DELL monitors with DELL laptop

I have DELL laptop and two externals DELL monitors. I want to plug them and have two screens (laptop will be closed). I did try to plug them into dock station with: two DiplayPort cables one ...
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Directional HDMI cable semi-working?

I have a problem with directional HDMI cable. I have my laptop connected to TV through said cable. And OS detects it (checked with xrandr --query). When two monitors display the same thing, it works. ...
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Is it possible to disable HDMI Auto-sense after a Display connects? xrandr?

I'm using Ubuntu Studio 20.04 (xfce) with the standard packaged video drivers. On system start I have it running the following command to assign the ports of my three cards, two HDMI and one DVI port: ...
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