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Questions tagged [multiple-monitors]

Questions about multiple monitors (Including projectors), how to set them up, troubleshooting the configuration, etc.

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ubuntu16 issue with multiple displays using hdmi

I just installed ubuntu16 from 14. Context: I backed up my home directory (all contents )and then overwrote the ubuntu16 home directory after install (except for bashrc, which I appended pertinent ...
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Connecting two external displays via daisy-chained Thunderbolt docks

My setup is as follows: - MacBook Air (early 2014, Intel HD Graphics 5000) - 2x Elgato Thunderbolt 2 Dock, daisy-chained - external monitor 1, connected to dock 1 via HDMI - external monitor 2, ...
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Dell laptop, dell dock, will only give me 1 or 3 active displays

I have a Latitude E5570, and a Dell dock with 2 displays attached. I am running a fresh install of 18.10. With my laptop lid closed, only the "#3" display is recognized. When I open the laptop lid, ...
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1answer
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Dual-screen partial overlap on Ubuntu 18.04

I have 2 monitors set up with my Ubuntu system, primary (landscape) and a secondary rotated (portrait) monitor to the left of it. I've been having a problem where there's about a 2-pixel wide overlap ...
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Dual monitors, main is TV, native Video on Asus Prime Z370-A disconnecting

Aloha, I have a dual monitor system with a Samsung TV for the main monitor. System doesn't often recognize the TV at boot. Momentarily unplugging it sometimes fixes that. Once it works it stays ...
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ubuntu different scale for different monitors

i have two different resolution monitors(3840x2160 and 1920x1080), but same size(all 27 in)。 3840x2160 is too small, i have try xrandr (--scale 0.5x0.5) and change Scale in Settings(Devices-Displays-...
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Broken changing of sound profiles of NVidia GPU

I have connected to GPU (GTX 1070): main monitor with speakers via display port left monitor without speakers via DVI AV receiver with throughput to projector via HDMI In "PulseAudio Volume Control" ...
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Laptop monitor not recognized when installed nvidia-390 on Ubuntu 18.04

I recently installed nvidia-390 to use an external monitor. However, my main built in display for my laptop is no longer recognized and stays black while the monitor works. If I unplug the monitor my ...
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Second Screen resolution not availailable

I am trying to set the resolution for my secondary screens. I have a ThinkPad laptop with two additional monitors. The laptop an the left monitor show 1920x1080 resolution, while on the second ...
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Xrandr scaling with external monitor makes ubuntu and any others distro slow and laggy

I'm having a laptop with 2560x1440 display (Intel integrated graphics card) and 1920x1080 monitor. So I scale it with xrandr like this xrandr --output eDP1 --auto --output HDMI1 --scale 2x2 --pos ...
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xrandr not showing all ports and resolutions

I recently installed a new Nvidia driver, 390.87 for my Ubuntu 18.04 LTS machine. Now, I can't connect external monitors over DP anymore - they're just not recognized and stay dark. xrandr doesn't ...
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Wallpapers not showing up in Unity desktop with 2 monitors

I have two monitors, different sizes, and I'm using Ubuntu 18.04.1 and Unity 7.5. I switched from GNOME 3, where the wallpapers were shown OK (correctly scaled on every monitor size). Now, on Unity, ...
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Fake screen with xrandr

I am trying to get a 2+1 trihead setup with two phyically connected displays and an old mac running Debian (which could if need be become anything else) as a vnc display. I am running 18.04 and my ...
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Enabling second monitor/video card broke X

It seems that I have broken X on Ubuntu server with XFCE simply by enabling a second monitor (which is on a separate video card) using the XFCE monitor control panel. I was able to use XFCE normally, ...
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Ubuntu 18.04 external screen close lid action

I started using external display on my Ubuntu 18.04, and I found the problem where after closing lid Ubuntu automatically switches to the second screen instead of suspending/hibernating the system. I ...
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How to display/extend/mirror/cast Ubuntu 16.04 screen to a Samsung Smart TV that is connected to the same network?

How can I share/display what I am seeing on my Ubuntu system to a networked Samsung Smart TV? The Ubuntu system and Samsung Smart TV are LAN connected to the same network. The Ubuntu system is a ...
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How can I roll back my xrandr settings? [on hold]

I am running Linux mint 18 with a NVIDIA GeForce GT 610 GPU with my desktop spread across two screens. The other day I connected a third screen which worked fine to spread the desktop over all 3 ...
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Second Monitor not Displaying

I was working following a python tutorial using SDL and was running into a problem Could not initialize SDL : No available video device I followed the instruction here and it fixed my problem with ...
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22 views

How to set different scaling on multi monitor (3 monitors)

I have 3 monitors, the left one is 4k, while the other 2 are 1080p. The problem I am having is that if I have the 1080p monitors on normal scaling, the 4k monitor is basically unusable because ...
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while trying to use 2 monitors with nvidia's xorg.conf, when trying to login why it fails and how to fix?

I ran nvidia settings and generated the xorg.conf merged file with the result of X :1 -configure and copied it to /etc/X11 what overrides automatic X configuration. then I ran sudo service lightdm ...
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1answer
32 views

Enable dual input pairs using xinput and related tools

I've been unable to get this working, just the second pointer shows up and blinks. Please note that I have a dual monitor, single GPU layout. I'm not sure if the problem isn't related to the XOrg ...
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Kubuntu 18.04 - Laptop won't recognize external monitor

TL;DR: Was using Ubuntu 18.04. Laptop suddenly stopped recognizing external ASUS monitor. Formated laptop and installed Kubuntu 18.04. Problem persists. Hi everyone. Last week I was using Ubuntu and ...
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Ubuntu goes suspended after login if lid is closed

There is an ubuntu 18.04 on my notebook. It was upgraded from 16.04. The notebook's lid is closed and it is connected to a monitor. When I switch on the notebook and login to the system, half of the ...
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Lenovo p52 with Ubuntu 18.04 issues

I just received my new Lenovo p52 and I quickly installed the Ubuntu 18.04 LTS on it but I have some issues. I will list them below: on screen lock I can't get it to unlock. Hard reset with the ...
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Extra monitors not detected after replugging in docking station

I am using Lenovo P50 Thinkpad with 2 extra monitors in my office. I am using Ubuntu 16.04 with unity display manager. When I go for meeting, I take my laptop along with me. When I come back and ...
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Color Managment on two different display monitor

I am using Ubunto 16.04 LTS and I have two identical monitor acer. I want to put the filter color D50 on both of them, but when I go to colors setting there is just one display that working and that ...
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Trying to move Tablet from spanning displays to one of two monitors

I have a Wacom Bamboo CTL-470. I was attempting to force it onto a single monitor and I did the command xinput map-to-output "Wacom Bamboo Connect Pen stylus" HDMI-3 and also tried xinput map-to-...
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Ubuntu 18.04 see second monitor but no actual video shows on it

After I updated from 16.04 to 18.04 my dual screen setup has stopped working. I have two monitors, one connected from hdmi and one connected from vga. Both are connected straight from the ...
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Lubuntu 18.04.1 Dual screen: only one screen goes to sleep

after upgrading from Lubuntu 17.10 to 18.04.1, only one of my two screens goes to sleep after a while. The affected monitor seems to only go into "blank" mode. It does not standby, as by quickly ...
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26 views

Extended Second Monitor not Detected

I'm about to switch to Ubuntu from windows and when live booting, my second monitor is not detected. My setup includes a monitor connected to a dock using an hdmi cable which is then connected to my ...
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Rotating display clockwise HP built in display & hewlett packard ubuntu 14.04

I have tried a few other solutions available on the internet for this but nothing worked. output of xrandr -q command is: Screen 0: minimum 8 x 8, current 3286 x 1080, maximum 32767 x 32767 eDP1 ...
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Different text-scaling-factors for displays

I use both 27" and 14" displays. I would like to set the text-scaling-factor to 125% on the 14" one and leave the 27" one at 100%. Is there an easy way to do this on Ubuntu 18.04? I only found a ...
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Dual monitor display problem

First of all, I am new to Ubuntu and a total Linux noob so bare with me ;-) I have two identical monitors, but only one is recognized correctly, the other one fails to show the correct screen ...
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Unable to setup dual monitors in 18.04 with my laptop in Ubuntu

I have brought two monitors and I'm unable to setup with my laptop which runs on Ubuntu 18.04. Both the external monitors are being shown as one, and not detected as two different monitors. Is this ...
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Scripting Actions for attaching monitor in Xubuntu 18.04

Every time I attach my second monitor it defaults to mirroring the screen, and I use the "Displays" GUI to change the settings and position the new screen. I was wondering whether any of these actions ...
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Ubuntu mate, dual monitor, one screen is black

I'm running ubuntu Mate, And I have a problem, where one of my monitors are black. I can still move windows too it, and I can see it in the workspace area (lower left corner): The upper left area is ...
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Xrandr gone crazy with dual monitor setup

I have a dual monitor setup, on a dual boot computer with Windows 7 and Lubuntu 18.04. This has been working fine the past few months, when I first bought a new second monitor (a Viewsonic XG2401). My ...
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1answer
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How do I get the Sidebar (Ubuntu dock) off the secondary monitor?

I updated to Ubuntu 18.04 a few weeks ago with little to no problems until now. After an update I installed and a reboot, my sidebar (Ubuntu dock) shows on the secondary screen, which is my Laptop, ...
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Settings>>Display, xrandr, and configuring a new display.

I've got a new (used) external 1920x1200 display that I'm trying to get working with my Thinkpad's builtin 1920x1080 display. The output of xrandr is below. In Settings >> Display, I see my ...
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MSI laptop running Ubuntu 18.04 with Nvidia graphics driver version 410.48 with GeForce 1060 GPU only displays on external screen

I recently restarted my laptop and I am unable to get a display on the built-in monitor of my laptop. All I see is a black screen with an unblinking cursor in the top left corner. I recently installed ...
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How to add a custom resolution? xrandr fails

I am well aware that this question has been asked multiple times, but no solution has worked for me. I am using Ubuntu 16.04 I got the modeline with cvt, added a new mode with xrandr --newmode, ...
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Ubuntu 18.04 Triple Monitor setup with Unity doesn't display 3rd monitor

I'm having some weird issue with Unity in 18.04.1. The system detects all three screens. However, the third screen is just a black screen, for the most part. What's strange here is the cursor shows up ...
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2answers
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18.04 Kaby Lake Intel Graphics - Screens randomly turning off and on again [on hold]

I have a notebook with a 7th gen i7 processor (Kaby Lake) and I use a setup with two external monitors, one is connected via HDMI, the other via Display Port. This used to work fine until two weeks ...
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Dual Monitors not resolved

I will apologize in advance for my lack of knowledge. I have recently installed ubuntu 18.04. I am unable to apply any kind of dual monitor set up. I go to devices on my Dell Inspirion. The laptop ...
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Combining multiple computers processing power

Hi I am trying to achieve is basically to make another computer handle processing if my computer can't take it. I researched a bit asked some of colleague and most of answers were you can't really ...
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HDMI port not detected on Ubuntu 18.04

the HDMI port of my lenovo ideapad 500s with Ubuntu 18.04 LTS is not working. I also executed the xrandr command, but only the primary monitor is detected. How can I solve my problem? How can I ...
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Second Monitor not detected

There's a few threads like this around but none of the answers in them helped me. I am in the middle of something of a fiasco with my gfx; my NVIDIA drivers got broken but I need them for Steam's ...
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Keep windows and audio on 3rd monitor when 3rd monitor is powered off

I have two monitors as well as a large TV. The display TV shows camera feeds as well as a monitoring and statistics app. I do this by dragging the applications over to my 3rd desktop. Using pulse ...
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1answer
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Two-monitor display loses desktop icons

I run Ubuntu 18.04 on a Macbook Pro. I like to use two monitors in my office, but when I connect the second monitor my desktop icons "disappear". I say that in quotes because they rearrange ...
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1answer
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Limitation of having 9 workspaces with 3 monitors solution - Ubuntu 18.04

Problem: I have a stationary computer with ubuntu linux 18.04. 3 monitors connected and I can have maximum 9 workspaces. Even if I set "Gnome tweak tool" to 12 workspaces it shows only 9 workspaces. ...