multiple-monitors

Mirror single application / workspace to an external screen / beamer

Mirror single application / workspace to an external screen / beamer When connecting an external monitor / beamer / projector to my laptop, I can choose between two modes: Join Displays and Mirror (see here). When teaching, I need a combination of the two modes: I would like to use the join displays setup, but …

Total answers: 1

External Monitors Not Working After Upgrade to 23.10

External Monitors Not Working After Upgrade to 23.10 After upgrading from 23.04 to 23.10, I encountered an issue with my laptop and dock setup, where the two external monitors connected to the dock stopped functioning properly. Issue Details: The monitors are detected in Settings > Monitors. I can toggle them on and off and rearrange …

Total answers: 2

GNOME under Wayland does not start after updating to Ubuntu 23.10

GNOME under Wayland does not start after updating to Ubuntu 23.10 Hello Ubuntu community, I recently upgraded my system from Ubuntu 23.04 to 23.10 and since then (1 Week) I’ve had problems starting GNOME under Wayland. Here are the details of my system and the steps already taken: System information: Device: MS Surface Pro 5 …

Total answers: 1

Long time to launch apps, but only on single desktop

Long time to launch apps, but only on single desktop I have what normally looks a fairly common problem: when I boot in Ubuntu 23.10 and I click on an app on the dock, it takes a really long time (30s to 1m) to launch — and sometimes it doesn’t launch at all. Differently from …

Total answers: 3

Problem with external monitor: Ubuntu 23.10, msi computer, nvidia graphics

Problem with external monitor: Ubuntu 23.10, msi computer, nvidia graphics I have an msi computer with nvidia GTX 880M graphics card (in addition to an integrated intel card). I am using as screen a large samsung tv (my eyesight needs it …). This was working without much problems, with the latest ubuntu 23.20. But because …

Total answers: 1

How to lock pc when lid is closed Ubuntu 22.04 LTS?

How to lock pc when lid is closed Ubuntu 22.04 LTS? I’ve installed Ubuntu 22.04.3 LTS and configured all my environments, but when I was about to close my laptop lid, I encountered an issue. Instead of suspending, the external monitor continues to operate. First, I attempted to install gnome-tweaks, but unfortunately, it doesn’t seem …

Total answers: 1

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

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 the screen itself), …

Total answers: 1

3 monitor screen lock, which unlocked, corrupts configuration

3 monitor screen lock, which unlocked, corrupts configuration UPDATE#2: I’ve taken to recovering from this failure mode by unplugging the blanked monitor’s HDMI cable and plugging it back in multiple times until the situation corrects itself — which it seems to eventually do. I am a bit concerned about wear and tear. A big concern …

Total answers: 1

Undetected external monitor, refresh rate stuck with single resolution

Undetected external monitor, refresh rate stuck with single resolution Freshly installed Lunar on my Legion 5i Pro Gen 7 (16" Intel) (12700h + 3070ti) laptop. Plugged external monitor is not even showing in the settings. Resolution choice is stuck on 2560 * 1600 with a refresh rate which is also locked at 93Hz (max is …

Total answers: 2

Nvidia drivers causing issue with opening chrome and external monitor

Nvidia drivers causing issue with opening chrome and external monitor I need help. I have a Dell Alienware X15: sudo dmesg | grep -i DMI: [ 0.000000] DMI: Alienware Alienware x15 R1/Alienware x15 R1, BIOS 1.18.0 03/10/2023 It has a Gefore RTX 3070: ubuntu-drivers devices == /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 == modalias : pci:v000010DEd000024DDsv00001028sd00000A8Ebc03sc00i00 vendor : NVIDIA Corporation …

Total answers: 1

ViewSonic XG2431 cannot change brightness (Ubuntu 22.04)

ViewSonic XG2431 cannot change brightness (Ubuntu 22.04) I recently purchased a ViewSonic XG2431 and while using it, I noticed I cannot change the brightness. I am running Ubuntu 22.04, so I did not install any drivers. The monitor was able to connect to my laptop instantly via HDMI, but when going into the OSD settings, …

Total answers: 1

External monitors via USB-C dock not recognized until I restart computer

External monitors via USB-C dock not recognized until I restart computer I’m running Ubuntu 20.04.6 LTS on a Dell Latitude 3520 laptop, which is connected to two external monitors via a Dell USB-C dock. This works great, except when I suspend the laptop and disconnect the dock for the weekend, and then come back and …

Total answers: 2

Desktop freezes and resets 30-60 seconds later

Desktop freezes and resets 30-60 seconds later Once a day or so my whole desktop freezes (only the mouse can move) and after about 30-60 seconds all the screens reset themselves back to normal. I have a standard 22.04 installation with the following hardware: Core i7-12700K 32GB RAM nvidia GK208B (GT 710) graphic card with …

Total answers: 2

Setting a monitoring display with 4 monitors automaticaly

Setting a monitoring display with 4 monitors automaticaly Good evening. I’m trying to create a monitoring display on Ubuntu 23.04 Gnome interface using 4 (2×2) monitors. The idea is to when the machine is powered on, each terminal, browser and software is to be open on a different display automatically. The problem I’m facing occurs …

Total answers: 1

Ubuntu 20.04.6 external display doesn't work on my new laptop

Ubuntu 20.04.6 external display doesn't work on my new laptop I got a new XPS 15 9530 with following specs; i9 13th gen RTX 4070 3.5k OLED Display I turned off secure boot and install Ubuntu 20.04.6 and I keep facing some problems. I think I have a driver problem. I try following solutions but …

Total answers: 1

One external monitor behaving strangly after installing NVidia Cuda

One external monitor behaving strangly after installing NVidia Cuda My hardware is a HP Victus laptop with an NVIDIA GeForce RTX 3050 running Ubuntu 22.04. I installed Cuda which installed the 530.30.02 driver. My display setup has 3 monitors all running at 60Hz: `1. built-in display 2. LG 22" 1080p 3. LG 22" 1080p` Monitor …

Total answers: 1

Rotate second monitor on the left side using shortcut

Rotate second monitor on the left side using shortcut I had my second monitor on the right side of my laptop before, and I had no problem rotating the second monitor using keyboard shortcuts. The commands I use are: xrandr –output HDMI-1 –rotate left and xrandr –output HDMI-1 –rotate normal When the second monitor is …

Total answers: 1

Horizontal colored lines appearing on display (Ubuntu 22.04)

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 see if the behavior pesists on the other monitor: nevertheless, it seems these lines don’t appear …

Total answers: 3