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

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How can I make Lubuntu duplicate the current resolution on an external monitor through HDMI?

In Windows there's an option to "Duplicate screen" when you connect an hdmi cable to an external monitor. That way both screens, the TV's and the Laptop's, have the same resolution and it doesn't ...
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Setting up to monitors of varied resolutions - Edges cut off

I have two monitors: one is an HP LCD, capable of 1680x1050p(16:10), and a Vizio LCD, capable of 1920x1080p(16:9). This isn't a problem on Windows; I can set both screens as I need them, no problem. ...
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16.04 Display and audio problems

After installing 16.04 (fresh install beta 2 + updates til now) I am experiencing werird problems with video and audio. Video: sometimes one (always only one) of the monitors turns off for a second ...
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Ubuntu 15.10 to 16.04 and lightdm display-setup-script: can't connect x server

After upgrading from 15.10 to 16.04 my lightdm.conf command has caused black screen on boot, never reaching the login screen: display-setup-script=xrandr --output DP2 --auto --primary --output HDMI3 ...
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Xubuntu 16.04 display problems

I installed xubuntu 16.04 on my laptop and have some strange stuff happening. I can get more specific details in the morning. It is a dell latitude with Intel video on a docking station lid closed ...
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Black screen flashes on second monitor on Ubuntu 16

I upgrade my Ubuntu from 15 to 16 yesterday and after fixing some hiccups most things are working fine. However, I have one very annoying bug that lets my external monitor (connected to laptop) ...
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87 views

Dual Monitor - Side by side not working!

Before you guys do a search and claim this is a duplicate of any other question, don't bother! I've been through them all! I've tried everything I could find! Okay, so the problem is I can't set my ...
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2answers
163 views

16.04 second monitor does not work

I always had problems with second monitor on my Ubuntu (it was not able to fall to sleep mode) but after upgrade it does not work, the scenario is very similar, it does not change mode to sleep, but ...
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HP Elitebook 840 G3 Monitor Issue

I have a Elitebook 840 G3 with two external monitors exposed via a docking port. If I have one monitor turned on, everything works great, even removing the PC from the docking port and reconnecting. ...
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How can I automatically load nVidia X Server resolution settings on startup/login?

First, yes I have searched far and wide for answers to this question. There are many (far too many) answers, and thus far I have not found one which works. I've tried various forms of "save the ...
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162 views

Ubuntu 16.04 Dual monitor doesn't work after booting

I've done a Ubuntu 16.04 fresh installation and now my dual monitors doesn't work after booting. This is what happens during booting: 1) When I boot the main monitor works and asks for my HD ...
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Is there a desktop environment for Ubuntu by which you can setup different custom DPI setting for different monitors in multi monitor setup?

I do not mean scaling that you can do by xrandr, but proper scaling of user interface elements using the natural resolution of each monitor, when using extended desktop.
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System does not boot up without connected to external monitor via HDMI

yesterday I just updated Ubuntu Gnome from 15.10 to 16.04. I have an external monitor connected to my Asus G55VW notebook via HDMI. After the update there weren't any problems until today, when I ...
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1answer
70 views

Notebook display not detected after upgrade to Ubuntu Gnome 16.04

I have an Asus N55S notebook with Nvidia Gefore GT555M and an external Samsung monitor connected via HDMI. With the proprietary Nvidia driver dual display mode was working perfectly in Ubuntu Gnome ...
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201 views

Laptop freezes after connecting external monitor, since 16.04 update

I have a Zenbook UX303U with integrated Intel HD5000, and using an external monitor worked fine until I updated to Ubuntu 16.04 this weekend. Now, when I plug my second screen and then move the mouse ...
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157 views

Dual monitor on Ubuntu 16.04

This is my first time dealing with the problem of dual display. Here's the detail of my laptop: TF-T5-SKELAKE: CPU: i7-6700HQ Graphics: Intel HD 530 NVIDIA GTX 970M Thunderbold ports After ...
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71 views

Two monitors - primary, secondary?

I use Ubuntu 16.04 LTS and to motherboard (GA-Z170-D3H with Intel HD Graphic 530) I have connected two monitors. First (primary) on DVI and second (secondary) on VGA output. Secondary monitor I can ...
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How can I include NVidia drivers during installing Ubuntu

I have a GTX 750 which causes flickering while booting to Ubuntu Live CD. I have learnt that my 750 was causing this. I found that Nvidia DOES provide driver solutions to Linux, but I'll have to ...
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Dual Monitors - Mirrored Displays and disabled Wi-Fi until Reboot?

Update: There are related posts with dual monitor issues e. g. Multi display issue with Ubuntu GNOME 14.04 - Still, there are two points that make this question different: Wireless feature is ...
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Ubuntu locks up after reboot with 2nd monitor

Ubuntu 16.04 or Ubuntu MATE 16.04. Install OS, updates, and apply Nvidia driver. Install several applications like Skype, Chrome, Dropbox, and HipChat. No problems. Reboot, no problems. Connect 2nd ...
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The power supply of my external monitor broke, how can I switch on my internal screen?

Ubuntu version : 15.10 Laptop display : disabled External monitor Dell s2415h : enabled The power supply of my external screen is gone, so I can't see anything on my external monitor but the ...
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Ubuntu 16.04: problem with multiscreens, is there a workaround?

My configuration is the following: computer is a Dell M3800 (a beefy laptop); its internal display is 15 inch, 1920x1080 resolution; there is also an external display, which is a 24 inch display, ...
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Can I change the behaviour of the volume indicator in Gnome?

In Gnome 3.18.4 the volume indicator shows on both screens. How can I disable this, and have it on either my primary screen or the focused screen?
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1answer
100 views

Screen blinking on moving cursor from one monitor to another

I have a dual monitor setup at work and when moving the cursor from one monitor to the other the screen blinks and sometimes gets completely black. I've recorded a video to better show the problem: ...
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1answer
64 views

Xubuntu 16.04 external monitor

Ok, my first question here is simple: I have xubuntu 16.04 LTS on Laptop X86_64. The laptop can handle ubuntu xenial xerus to but I like xubuntu. It works like a CPU because I link It to a big ...
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ubuntu 14.04 freezes on dual monitor desktop setup powered by nVidia GT730 graphics card

first things first I am really new to ubuntu so forgive me if my what I am about to ask sounds a little bit stupid!I have desktop setup with nVidia 730 card and intel core i5 processor with dell ...
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21 views

Xorg Config File with two monitors: How do I get Xorg Config to run?

Specs: Ubuntu 15.10, 2 Gpus: nvidia 970 and 950; 800 watt power supply, dual monitor--one using dvi, one HDMI from the 950. Right now, I have an nvidia geforce 970 and 950. I am trying to specify ...
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1answer
195 views

Screen Tearing After Kubuntu Upgrade 15.10 -> 16.04

Just upgraded today, already regretting it. I have terrible VSync/tearing problems. Before it worked flawlessly. I already tried all compositor settings, some of them seemed to temporarily remove ...
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Docking station + External Monitor: mouse and keyboard get stuck in different windows

Whenever I plug my external monitor into my Lenovo Docking station for my W540 the mouse and keyboard will eventually get stuck in different windows. i.e. I can click in my terminal, but when I type ...
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100 views

Can't change multi monitor display positions in Ubuntu 16.04

I've just done a fresh install of Ubuntu 16.04 and most things are working great :) However, I have a 3 monitor setup and I'm not able to adjust the relative positions of the displays. If I try and ...
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1answer
218 views

Ubuntu 16.04 doesn't see second monitor daisy chained through displayport

I have two Dell U2414H monitors connected in chain to AMD R7 250X. Today I installed Ubuntu 16.04 and in settings I see only one monitor while screen is duplicated on second monitor. Is there a way ...
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external Samsuang HDMI monitor is not recognized after software update on Ubuntu 14.04

I have dell Vostro 5000 with Ubuntu 14.04 after software update it stopped recognize my external HDMI Samsung Monitor. It has both Nvidia and Nvidia and I am working on the Intel one. Can you please ...
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1answer
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Monitor not idling after i3wm installation

Yesterday I installed i3wm and noticed that after the screensaver turns on, the screens turns black, but the monitors stay on (have two of them). Up to now I was using Unity and the session locked ...
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81 views

Ubuntu Xenial kernel crash on extended display

I have dell xps 15 9550, when I connect my extended display the laptop display starts to flicker like crazy when I hove the mouse over it. After few seconds ubuntu freezes. ctrl + alt + 1 or 2 does ...
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Kubuntu - adding a 3rd monitor connected to onboard

Please help me find the answer in adding a 3rd monitor. My setup is I have 2 monitors connected to an external VCard (GeForce GT 730). I am adding a 3rd monitor which is connected to the onboard video ...
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External monitor and colour adjustment on ThinkPad T440p

I'm new to Linux, and have sorted out inital issues with two exceptions. One is that my ThinkPad doesn't detect my Benq external monitor, either via VGA or miniDSP-to-HDMI. System settings > Displays ...
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Error whenever I run two monitors, one through HDMI, one through VGA

I have a laptop that I've connected two monitors to: one through VGA, the other through HDMI. Whenever I turn both of them on in the display settings, I get a gray screen with an error message ...
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25 views

Can't rotate screens

I have a dual monitor setup and want to rotate one of the two screens, I looked up how to do it, but I get an error: {20:17}~ ➭ xrandr Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 16384 x ...
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How can I use the same monitor mode on two different systems?

I have two Ubuntu installations: my workstation runs 14.04, my notebook runs 16.06. A montior is connected to both system through a KVM switch. Through xrandr I added display modes using same ...
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1answer
115 views

How to open a file in the same display I am working it?

I have connected a LCD to my laptop. When I try to open a file in Nautilus, the target application opens in my laptop display, rather than the second display (in which nautilus window is open). I ...
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Mouse Cursor not always showing

I'm having an issue where my mouse cursor won't show up. The mouse still moves and I can interact with menus, I just can't see what I'm seeing. I have managed to find the conditions that seem to ...
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desktop built-in VGA port and Nvidia geforce210 for dual monitor

I have a problem on my monitor, one monitor is connected to the built-in VGA port and the other one is connected on my video card which is a NVIDIA GeForce210. At first the two monitor work but when I ...
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how do I correct the resolution of my secondary display?

I currently have installed Ubuntu 15.10 on an Acer Aspire E1-510 laptop with an Acer X223w as a secondary monitor. The graphics card is an Intel Bay Trail. The laptop resolution is fine but the ...
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added display moves icons to extended desktop

I have my laptop set up with an extended display in Ubuntu mate. when I add the screen, all my desktop Icons move to the extended portion. How do I prevent that from happening? I have been using ...
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Ubuntu 15.10 detects a not-present display in monitor settings

I have an Asus K53SC that has Ubuntu 15.10 installed, and in monitor settings it detects a not really present second monitor called Unknown Display. Sometimes it enabled automatically itself, and I ...
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Ubuntu doesn't detect an external monitor

I have two monitors. The first one works fine with both my windows and my Ubuntu 15.10 machines. The second one works with my windows machine, but not with my Ubuntu machine. It is outputing a DVI ...
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1answer
86 views

Xubuntu save multi monitor config

I've a multi-monitor-setup with 2 screens (3 with the notebook T460s itself) on xubuntu 16.04 at a DP KVM-Switch. The notebook is connected via the Dock-3 Docking Station over 2 DP-Ports. Every time ...
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1answer
81 views

Turn off external monitor when inactive

I added an external monitor to my laptop last week and have almost everything working like I want except for the Brightness & Lock behavior. I've long had this set to "Turn screen off when ...
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When I select a window by using mouse cursor it doesn't really works

I'm using two monitors so that I have my desktop extended. It works fine except that when I select other window by using the mouse cursor it doesn't really select it, in a way that if I start writing ...
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Installing fglrx causes ubuntu to not boot | Can't have 2 screens

I just installed ubuntu today so I have no experience whatsoever. I am using two screens running on two different GPUs (AMD and intel). I am currently dual booting along windows 10. On the latter the ...