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

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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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36 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
392 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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10 views

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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197 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
423 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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45 views

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
34 views

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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122 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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33 views

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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21 views

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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36 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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14 views

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
130 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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23 views

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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0answers
14 views

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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49 views

Display settings do not show correct resolution options for 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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1answer
82 views

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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17 views

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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110 views

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
109 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
88 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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10 views

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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52 views

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 ...
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21 views

Three Screens: Duplicate primary screen and have 3rd secondary screen without launcher

I have two screens, that I use for working and surfing, the primary (with unity launcher) is 16:9 and the secondary (without unity launcher) 5:4. When I have guests or lie in my bed I would like to ...
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1answer
38 views

How to make Xubuntu detect multiple monitor setups correctly?

I have an additional monitor at home and at work, but they have different resolutions. That was no problem for Ubuntu. I recently set up a new laptop with Xubuntu, and now the second monitor is always ...
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20 views

Is it possible to set mirror screen to 16:9?

My question is exactly the same as this question, except that I would like to know the solution for Ubuntu 14.04 instead of 13.10. I've an external Samsung S24E391HL 24- Inch monitor plugged into my ...
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1answer
58 views

Ubuntu 15.10 Maximizing to wrong screen

This is my first post here. I just upgraded (well, reinstalled) to Ubuntu 15.10. I'm using the closed source nvidia driver with 2 video cards and 4 monitors (2 per card). I'm Using X-screen0 for the ...
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35 views

Ubuntu ARandR additional monitor setup

I want to setup my laptop to use 2 additional monitors. One from an HDMI input and one from a VGA input. When I try to configure them with ARandR I get this error message. XRandR failed: XRandR ...
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19 views

Laptop Monitor not turning on with two external monitors

I have a Dell Inspiron N7010 set up with two external monitors. System Settings Details The problem I'm facing is I cannot get the laptop monitor as well as my two external monitors to all turn on ...
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0answers
98 views

Configuring Xbuntu 16.04 and external monitor names [closed]

I'm using a laptop - sometimes alone, sometimes with an external monitor placed on the right side and sometimes two monitors, where one is on the left, and the other on right of the laptop's display. ...
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28 views

Can not detect right resolution

I got this error in my desktop Could not switch the monitor configuration could not set the configuration for CRTC 95 And every second I run xrandr command it output is different : Screen 0: ...
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1answer
24 views

Ubuntu installed fine, but I have three monitors hooked up to my PC and no screen

This is all after a fresh install of 15.10 on my x99 Sabertooth, 2 x gtx970 in sli, 5820k intel processor,... and so forth. I've got my main monitor hooked up to display port, second monitor hooked ...
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10 views

under 14.04, disper -l outputs incorrectly the first time called when external monitor is attached

Having upgraded to 14.04, I'm experiencing inexplicable behavior from disper when I first open an xterm window and am attached to an external monitor. Subsequently, disper performs as it should. ...
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106 views

Cannot rotate second monitor with xrandr (Nvidia VGA): cannot use rotation “left” reflection “none”

I've got an Ubuntu 15.10 laptop with an integrated intel VGA and a Nvidia Geforce gtx 960m lspci -nn | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:191b] (rev 06) ...
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51 views

Cannot use --transform nor --scale to fix overscan of TV HDMI on laptop

My TV doesn't have an option to fix the over-scan. Using windows I can fix it by setting the Intel's Screen config to shrink until I fit the display into screen, so theoretically it must be possible ...
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20 views

No Display in Second Screen After Suspend

I use Nvidia 770 for a 14.04 installation to connect an HDMI TV as my main display and a VGA monitor (with a DVI bridge) as a second extended display. Every time I put the system in suspend mode and ...
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69 views

How to set proper resolution for second monitor

I have two monitors Acer K242HL but I am unable to set the second monitor (VGA) to the native resolution 1920x1080. This resolution doesn't appear in the Settings > Display menu and the monitor is ...
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40 views

Display problem on second monitor

desktop and every window is like 1" off the screen on every side of it, windows controls, menus, desktop panels are all outside the screen. I tried xrandr but i was only able to make it worse. Any ...
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1answer
65 views

Set “default” monitor

I would like to be able to set my "default" monitor to be my external 25' monitor instead of my laptop one when I have my external monitor connected. Many applications always open on the laptops ...
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131 views

Best solution to connect 3 external monitors to Dell XPS 15 9550

I am searching the web for a while and am confused. Hope you will help me in choosing the right solution. I want to connect 3 external monitors (possible Dell E2216H) and am searching for the best ...
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0answers
12 views

Terminal laggy with external monitor

I am using the default terminal app on Ubuntu 14.04 (gnome-terminal). When I do not have an external monitor plugged in, I notice no issues. When I do have an external monitor plugged in via HDMI, ...
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58 views

Ubuntu 14.04 x64, PNY Nvidia GT730 (nvidia 340.96), dual monitor (DVI + VGA), VGA not detected

Fresh Ubuntu 14.04 64 bit install on desktop machine (dual boot with windows 7/64.) Video display adapter is PNY NVIDIA GT730 (PCI express). NVIDIA driver version is 340.96. NV-CONTROL version is ...
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43 views

Second monitor is detected but doesn't work [ubuntu 15.10]

I just installed ubuntu 15.10 on a HP EliteDesk and one of the monitors doesn't work correctly. Displays recognize both monitors (Hp Z27n and Hp ProDisplay P201) but only the Hp Z27n is working. ...
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1answer
42 views

Multi-monitor: one or the other monitor goes black

I have two monitors hooked to a GTX-960. One is connected via DVI and the other via DP. This is a System76 Leopard Extreme desktop. I'm using the proprietary Nvidia "tested" drivers. Ubuntu 14.04 LTS. ...
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48 views

Ubuntu 14.04 Suddenly stopped detecting HDMI monitor (Integrated graphics)

I usually have my laptop connected to a second monitor via HDMI, and for the past few months that has never been an issue. I'm using a Dell Inspiron 15R with Intel i7 and no dedicated graphics. ...
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67 views

Ubuntu 15.10, nvidia GTX760M

I'm using an ASUS ROG laptop with a screen resolution of 1920x1080 and for most of the time it works ok, small glitches barely visible. Recently I've bough a 4K monitor and I use it through the HDMI ...
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212 views

Dual Thunderbolt Monitors [closed]

I have 16.04 (with kernel 4.4.0-15-generic) running on a MacBook Pro (MacBookPro12,1) and two 27-inch Apple Thunderbolt Displays. The MacBook has two thunderbolt ports. The same issue happened in ...
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38 views

Graphics issue - Screen starts blinking, flickering and screen distortion

I have installed Ubuntu 14.04.1 LTS on my machine. On start it doesn't have Wifi Options which i sorted out after asking question here. Now am facing an issues again, which is blinking, flickering and ...
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24 views

Ubuntu 12.04 issues with Nvidia Driver

I'm running 12.04 on a Dell laptop, and I'm connected to an external Dell monitor. Graphics: $ lspci -nnk | grep VGA -A1 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation G86M ...