Questions tagged [multi-monitor]

Encompasses the configuration, usage, and control of additional displays / monitors / screens. Often termed dual-monitor or dual-head (for two monitors), and often in involving external displays. Connection methods include VGA, DVI, HDMI, and DisplayPort. For single displays, use "monitors" instead. For directing a program's graphical output, you may also want the "display" tag.

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Gnome (Wayland) multiple dpi almost correct

I have setup gnome on a 2 screen system: 1) a primary 4K display scaled 200% and 2) a secondary 1080p display at normal scaling. After some configuration I have gotten everything scaled perfectly on ...
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With XFCE power manager, how to turn both monitors asleep instead of one monitor?

I'm using an ArchLinux with XFCE, and I encountered a problem. I have two monitors, and I want both of them to be turned off when I am away from PC for X minutes. But it seems like only my primary ...
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no signal with dvi-i to vga adapter while trying to configure dual display (debian 9 lxde)

I have 2 monitors, one connected with a hdmi cable to my pc and one connected with a vga cable and a dvi-i to vga adapter, plugged in the dvi-i port of my gpu. Under Windows 7, it works perfectly but ...
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i3: multiple displays; having some “resistance” from mouse pointer when crossing display

Can X or i3 in particular be configured so that the mouse would not jump immediately to the next display but would require some sort of "time and force" to take place, so that it would be easy to drag ...
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Second Screen Recognised/Connected But Not Displaying - Ubuntu 18.04 / Arch Linux

I have been trying to get my second monitor working on a fresh install of Ubuntu 18.04 LTS, though I've experimented with Arch Linux as well. Both my primary and secondary monitor show up in the ...
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OS seems to forget my second monitor

I use a dual-monitor setup with Acer H233H as one of the monitors and the same problem keeps happening. During the installation of Linux (both Arch and Mint), both monitors work fine. They also work ...
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Use laptop and external monitor at the same time using NVIDIA X Server

I managed to setup the display properties for the monitor via xorg.conf file, but I can't seem to find a way to use both external and built-in laptop monitor at the same time. Here is my xorg.conf: # ...
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Differentiate internal and external monitors

I am looking for a consistant way of getting the name of the built-in monitor in a laptop. To be exact, I am looking for the name of the monitor that will be turned off when the lid is closed. I was ...
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xrandr config for display 0 is ignored when a second display is connected

My laptop display is HiDPI, so I had to use fractional scaling using xrandr to make it look right. I've got the line below in ~/.xprofile: xrandr --output eDP1 --scale 1.5x1.5 This works great, but ...
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Manjaro KDE multimonitor issues - GPU outputs not detected after restart

I am using Manjaro for the support for kdenlive alongside playing games. The way my two monitors were set up on windows 10 originally was having a DVI cable for my old monitor plugged into my ...
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Ubuntu dual-monitor issue (they both work, but not simultaneously)

I've recently installed Ubuntu 18.10. I have a dual monitor setup that works fine in my Windows, and it worked great in Linux right after installation. But after reboot, I can't make them work both at ...
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Resolution and scaling issues on dual monitor with nvidia (one 4k HiDPI, one VGA with converter)

I am trying Kubuntu 18.10 and I have a nvidia GTX 1060 (driver 418), a LG 27" 4k monitor (27UD58-B ) and an older HP 22" 1680x1050 monitor (HPw2207) with a VGA cord and a VGA-> DP converter. My ...
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How to support two different display output configurations for duplicating a monitor in one xorg.conf file?

I have two different computers that have different graphics cards installed in them (one computer has a GTX 570, the other has a GTX 1070). Both are running the same version of RHEL (7.5). Each ...
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55 views

Desktop on external monitor too small

I am using Manjora with KDE and recently connected an external monitor to my laptop. Since the laptop has a moderately high DPI (2560x1440) I am forced to use KDE with scaling set to 2. This, on the ...
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Independent control of display scale

Just got my first Librem laptop and trying to figure out how to set it up with my two 34in 4K displays... I was able to get one of them working by setting up a custom modeline with xrandr and creating ...
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Ubuntu 16.04.5 Ruining Monitors By Never Turning Them Off

I've seen, on two occasions, where Ubuntu 16.04.5 has completely ruined laptop monitors by never turning them off. These were laptops my Uncle owned, where he left them on all the time. I'm now ...
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Monitor (sometimes) not detected when plugged in any DisplayPort

Problem Formulation: Dual-Monitor setup currently not possible because monitor not detected when plugged in any DP. Symptoms: If monitor A is connected to HDMI and monitor B to any DP slot, only ...
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Switch screens on Slax Linux (xrandr, FluxBox)

I use Slax Linux as a Live Linux on a USB drive and I have a problem with multiple monitor configuration. My computer has two screens, this is the output of xrandr: Screen 0: minimum 320 x 200, ...
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Making external display DPI settings permanent

System: Linux Mint 19.1 Cinnamon. Hardware: Laptop screen: 3840x2160 + HDMI screen 1920x1080. I have enabled Double DPI in General settings. It works fine for the laptop display, but now I connected ...
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Tricking Slack into thinking you don't have multiple monitors

As far as I can tell there is no way to select a single screen to share in the Linux Slack app when you have more than one screen. So in my 3 screen set up, screen sharing is practically unusable. ...
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281 views

Setup dual monitor Linux Mint

I'm running Linux Mint 19.1 on my Dell e6530 laptop which has a maximum resolution of 1600x900. I have connected an external monitor capable of 1920x1080 via HDMI and set this monitor as primary with ...
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164 views

One of my three monitors doesn't wake up after sleep

Every so often when my triple monitor arch pc goes to sleep, only 2 turn back on when I move my mouse. I cannot reliably reproduce this problem though, so I have had quite limited oportunity to test ...
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Kali Linux Dual Monitor problem after last update [duplicate]

I have this problem-after last update of Kali Linux I've had black screen problem and fix it by downloading bumblebee but now I can't run Kali on dual monitors. Before the update screens were ...
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Gnome, night light and dual monitor

When I turn the night light option in Gnome 3.20.2 it only activates in one monitor and it leaves my second one with the normal white balance. This renders the option unusable. I am currently using ...
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PopOS Scaling multiple monitors individually

I have the latest PopOS with the NVIDIA 410 drivers running. I set up two monitors: The 2nd monitor has 2160p, whereas the 1st has 1080p. I just want to scale the 2nd monitor (150% or 200%). The ...
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872 views

Second monitor not recognized - xorg.conf file [resolved]

I'm trying to use this monitor Acer XB270H, with my Ubuntu laptop, but it is not recognized, appears cropped with incorrect resolution. Note: I first was using the docking station with the monitor DP ...
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163 views

Monitor not waking up on start

I have two monitors (both are Dell u2515); they are connected to the motherboard by a daisy-chain cable, both DP 1.2, but I cannot get both of my monitors to wake up on start. The mointor connected ...
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HDMI to VGA adapter only working for 800x600 resolution

I have MSI GP62 6QE laptop and LG Flatron W1954s monitor. I want use the monitor as external to right of my laptop so i bought a HDMI to VGA adapter to do it. But the external monitor only displaying ...
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Second monitor not working after Xorg 1.20 update

I'm using an ultrabook (Dell XPS13 9350) connected to a Razer Core V2, (which works wonderfully!) inside of which is an AMD Vega Frontier Edition (air-cooled). This part of the setup has never given ...
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How to disable workspace feature on secondary display in Linux Mint 19.1 Xfce?

I have a dual monitor setup in Linux Mint Xfce. When I switch workspace on primary display, it does the same on secondary display as well. I know Cinnamon version of Mint has straight forward way of ...
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i3-msg doesn't move workspaces between multiple monitors consistently

I have two monitors; eDP1: primary (laptop's screen) and HDMI2, the external monitor. What I want to do is to use i3wm such that when I run a script (below), it put some workspaces on eDP1 and some on ...
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Get to work 2 monitors in debian9 xrandr error

I am trying to get to work my two monitor in debian9. I try several things and nothing get to work. I have a new computer with two output, one VGA and the other HDMI. Both have a monitor conected and ...
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339 views

Closing the lid didn't put the notebook on sleep with external monitor on xfce

I'm running Linux Mint 19 Tara. When I'm running cinnamon with connected external monitor and I close the lid, notebook goes to suspend mode. This is my expected behavior. But running xfce, closing ...
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Dual monitor with nvidia drivers on Lubuntu

After I installed vendor Nvidia drivers, I managed to setup external monitor as I want via /etc/X11/xorg.conf configuration file: Section "ServerLayout" Identifier "Layout0" Screen 0 ...
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1answer
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Xrnadr not see any external ports

I have a problem with connecting external monitor to my Dell Precision M6500 laptop. I'm running Debian Stretch with gdm3. I try to connect external monitor by VGA. My laptop has DP and VGA port. ...
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Correctly (in terms of aspect ratio) map wacom graphics tablet to two monitors

I am using a wacom bamboo graphics tablet in a dual monitor setup on Linux Mint 19 Cinnamon. My combined screen has a significantly different aspect ratio then the graphics tablet. When I draw a ...
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322 views

Debian 9 detects the monitor on the HDMI port but the monitor display nothing

My laptop runs on Debian 9 and I try to have a dual monitor. My first monitor use the VGA ports and works well but the second use the HDMI port and displays nothing. However, the monitor is detected ...
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Is there a command to show whether my laptop graphics card (Intel) can support multiple monitors?

I'm wondering if there is a way to show whether my laptop can support two monitors. I have a laptop with Intel 2nd Generation Core Processor Family Integrated Graphics Controller running on a Lenovo ...
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X reads monitor and layout conf on boot but xrandr only shows Screen0

I've been setting up arch linux for a few days - mostly it's been easy to make progress but I'm having a real problem with multihead support. I have a Thinkpad X1 extreme with an Intel and NVIDIA ...
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How to stop internal laptop screen from turning off when closing lid?

When closing my laptop, it turns off the internal screen, which moves all windows to the second screen. I realise that I could move all windows to a secondary workspace to not have them overlap the ...
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Double monitor duplicate

I do have Arch linux on my VirtualBox VM. I use this machine for few specific tasks, where GUI is not requested, so that I did not even install it and, because of performances, I would like to ...
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205 views

Who locks all monitor refresh rates?

I have got two monitors (in a "Join Displays" setup), an NVIDIA 1070 GTX mobile GPU, and GNOME 3 on OpenGL 4.6. The refresh rate of the laptop's built-in monitor is set to its maximum 120.02 Hz, and ...
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123 views

How can I stop windows re-positioning after waking up monitors?

I have a laptop with multi-monitor setup, one is HDMI and the other is VGA. I have the energy saving setting set to dim screen after 5 min and switch screen off after 10 min, with suspends set to ...
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102 views

How to use external monitor through HDMI without X / graphical environment?

I'm running Arch Linux on a laptop. I usually log in to the TTY console and only startx when I need to. I have an HDMI output and would like to use an external monitor. It works fine with xrandr but ...
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Is it possible to drive more than one monitor off a single CRTC?

I have a video card with six mini display port outputs, and was hoping to use MST splitters to get Xorg to extend my desktop across more monitors than outputs on the card. However, when using xrandr ...
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Cinnamon moves all windows to primary monitor when unlocking screen

I run Cinnamon with two 4K monitors. Every time I unlock my screen, all open windows move back the primary monitor. How can I make these existing windows remember their position? This is a desktop ...
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Disabling monitor when is turned off/in standby in a multi-monitor setup

I have a dual monitor setup. The problem is that 50% of the time I don't need my second monitor, and as such I will "turn it off" (i.e. press the power button ⏻) which results in the screen going in ...
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Linux Mint 18.2 second monitor not working (works with lowered resolution)

I'm running two ASUS VE247H monitors, graphics card AMD Radeon R9 380. Both monitors are connected using DVI cables. I have dual boot configured with windows 10 and linux mint 18.2 cinnamon 64bit. ...
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298 views

Persistently bad screen resolution on BenQ display with Centos7

I'm running a dual monitor display with Cenos7 as the OS and Gnome 3.22.3 as the GUI. Graphics cards is an NVIDIA 1080Ti. I've tried following this post and this post, and still haven't been able to ...
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x11-forwarding a window to another computer

So I have set up X11 forwarding between two computers such that I can open a gui program in the server (in terminal) and it starts in the client. I followed the variant A in this answer: https://...