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

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Workstation Ubuntu

I work with a workstation that has a Board with exit to 2 monitors + 3 cards Radeon HD 7850, using a total of 11 monitors work ... currently use Windows 8, but I would like to start working with Linux ...
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136 views

Chrome window is off position after maximizing

when I unmaximize my Chrome window and then maximize it again, it appears to be redrawn incorrectly, see the attached GIF to see for yourself. What is even worse, is that Chrome still thinks the ...
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19 views

Save multiple configuration for multi-monitor

is it possible to have an icon to right click on it to quickly change settings for different multiple monitors . for example Option 1 : Only Monitor 1 and 2 are on, monitor 1 is counter clock wise ...
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1answer
53 views

My Monitor Resolution Won't Increase

I just switched my driver to fglrx-updates for the R7 260x GPU on Ubuntu. I am running amazing graphics now and am very, very pleased with the improvement over the open source. However, my primary ...
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1answer
34 views

How can I remove third Unity Launcher on a 3+ Screen setup?

In this question, we learn how to select ONE display to show the Unity launcher on in a 2-screen setup. My question is: How can we use the Unity launcher in MULTIPLE displays, but not all of them? ...
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1answer
236 views

reactivate driver of onboard graphic - 3 display configuration

I've just bought a third monitor and additional the low-level graphics NVIDIA G210. (My onboard-card can only handle 2 monitors) I set the "multi-monitoring" option in Bios and then tried the ...
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49 views

How do I keep Ubuntu on MacBook Pro 11,2 from resetting my display's resolution when I add an external display?

I've scaled down my retina display to half resolution. When I add any external display (HDMI or DisplayPort/DVI), the main display always reverts to native resolution. Unplugging the external ...
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1answer
59 views

How can I have my display settings automatically restored after I play a full-screen game?

When I play a full screen game on Ubuntu (Gnome, Kde, XFCE doesn't matter) the game decides what the monitor settings should be and then when the game is over I'm stuck with those settings. Is there ...
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31 views

Stop Kubuntu/nVidia drivers from autodetecting monitors

I am running Kubuntu 14.04 with the proprietary NVidia drivers (and a GTX 780) and it has been running great. However I've got three screens side-by-side and this causes an issue. When I am watching ...
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1answer
586 views

How to run Intel and Nvidia graphics card driver both on desktop?

I'm trying to get Intel and Nvidia graphics card working together with two monitors. One monitor should use the Intel card and the other the Nvidia card. Of course, I want to use only one keyboard and ...
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140 views

Dual monitor on 14.04.02 with AMD card freezes, blacks out the second screen, etc

Up to few days back my 2 monitor setup with 14.04.2 has been running just fine (one monitor 1920x1080 connected via HDMI(card)->DVI(monitor) cable and second 1680x1050 connected via DVI->DVI cable. ...
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1answer
138 views

How do I set up two monitors on two very different graphics cards?

I have two video cards, one running each of two identical monitors. My main card is an Nvidia GeForce 750 Ti, and the secondary is a Radeon HD5500. When I boot from live USB, the monitor attached to ...
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116 views

nvidia prime dual monitors

After I fix nvidia-prime black screen issue Solving the Ubuntu 14.04 – NVIDIA 346 – nvidia-prime black screen issue I can't set up dual monitors. In one time I have enable only one monitor. How can I ...
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313 views

Ubuntu Dell E7240 : Displayport Monitor resolution 14.04

I have a Dell E7240 which came with Ubuntu 12.04 pre-installed. I use it with a Dell docking station in work. On 12.04 it recognised the correct resolution for the monitor, after updating to 14.04 it ...
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22 views

Searched high and low - Forcing my second monitor resolution and making those settings last after boot [duplicate]

So I have a second display plugged into my laptop. The maximum resolution for the monitor is 1280*1024 but the best I can do through settings is 1024*768. I have gone through the stages of using ...
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1answer
106 views

ubuntu 14.04.2 with dual monitor - doesn't log in

I have Ubuntu mate (based on Ubuntu 14.04.2) on my Lenovo laptop. I also have an LG monitor connected to the VGA output. I am experiencing something weird with this set-up. The problem is that when I ...
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99 views

Random monitor shutdowns during work, what to check?

I've changed my monitor setup and I have now attached one HP Z24i and one Dell P2414H. Mostly second monitor is turned off, I'm just using it when I'm stand as standing desk. However, now I got at ...
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1answer
41 views

Efficiency problems with monitor connected to laptop

I'm running 14.04 on a Dell Latitude. lswh reports my graphics card as "GF119M [NVS 4200M]". I have a monitor hooked up to it via a docking station. Lately I've been having performance problems with ...
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1answer
3k views

Dell XPS 13 2015 Ubuntu compatibility (Displayport/MST)

I just bought an Dell XPS 13 2015 (9343) whose Linux (installed Ubuntu 14.04 LTS (Trusty Tahr)) support seems to be quite disappointing at the moment. Before spending money on new equipment I would ...
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1answer
116 views

Make second monitor show workspace that's on the left of primary monitor

I have been searching for a while now, but didn't find the thing I want. I have 3x4 raster of workspaces. I want to configure the workspaces as such that the second monitor shows the workspace that ...
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0answers
131 views

intel-virtual-output freezes

I have been successfully running a triple-monitor setup with my ThinkPad W530. Suddenly at some point within the last days the command stopped working though and freezes. I would activate the ...
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27 views

can't have 3 displays on ubuntu 14.10

my laptop has both HDMI and VGA ports, when I conect them both, It doesn't work and I get this message .
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1answer
102 views

after apt-get upgrade monitors freeze whenever I change something in 'displays'

Steps to reproduce: open Displays change anything, from resolution, to disabling or enabling one of the monitors. click Apply monitors freeze Sometimes I can still see the mouse movements. I can ...
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1answer
163 views

Screen glitch: unplugging HDMI 14.04

The issue is that if I unplug the HDMI coming from my external monitor (i have many and it wasn't dependent on the make/model) the screen on my laptop gets essentially cut in half, displaying half of ...
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2answers
244 views

Cannot set monitor to use 2560x1440

I have a laptop and am trying to plug in two monitors, one of which should run at 2560x1440 I have installed the proprietary nvidia-331-updates drivers and (I think) configured it to use those by ...
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100 views

Using Notebook as second Monitor for Ubuntu Tablet

I am planning my new mobile development working station consisting of a Notebook and a Tablet as second monitor. Notebook OS: Windows 8.1 Tablet OS: Ubuntu (14 LTS) I have asked here how I can ...
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354 views

ubuntu 14.10 - lightdm can't start unity. Bad xorg config?

When I try to login with lightdm my monitors go dark and then switch off before taking me back to the lightdm login screen. I get a message telling me: Could not switch to the monitor configuration ...
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26 views

Ubuntu 14.04 sidebar cannot be disabled

I don't know what's happening but I can't turn off the sidebar on my second screen. I've played in the settings for a bit but nothing seems to change. The second sidebar is bugging me a lot, someone ...
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165 views

how can i airplay Mirror my laptop screen and sound projector

I'm a teacher and I often have powerpoint or other resources I want to show students projected to a whiteboard. My school is phasing out serial port connection and is installing a airplay box, which ...
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1answer
74 views

Second display won't work with nvidia drivers

I have recently installed Ubuntu but the drivers from x.org are not so good, because: the display with NVidia graphics card (plugged by HDMI) has some problems server x from x.org nouveau driver ...
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1answer
129 views

Ubuntu 14.04 laptop and monitor problem

I meet with this problem second time. I'm using a laptop with dual boot. I use Ubuntu 14.04 and Win7. I have a 21,5" monitor plugged with HDMI cable to my notebook. I did this: my laptop was turned ...
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1answer
233 views

2560x1440 HDMI monitor stuck at 1920x1200 resolution

SONY laptop SVS151190X with Intel IGP: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) Linux 3.13.0-45-generic #74-Ubuntu SMP x86_64 x86_64 ...
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81 views

ATI R9 2xx's: Dual-monitors on seperate cards

I can not seem to get my second monitor recognized/running in ubuntu 14.04.02, the light is yellow and the screen off. I have tried the basics by going into the display settings but all it shows is my ...
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37 views

Ubuntu 14.04 loses screen arrangements on reboot

Every time I boot into my Ubuntu 14.04 I re-arrange the monitors in Screen Display to match the physical arrangement of my 3 monitors: DFP-0/GPU-0, DFP-1/GPU-0, DFP-3/GPU-0 Every time I reboot, ...
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1answer
175 views

unable to switch screen in Kubuntu 14.10

I recently moved to Ubuntu from Windows and I'm using Kubuntu 14.10 now. I have a laptop with an external monitor. The problem is, I am not able to switch between the monitors with Kubuntu running. ...
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59 views

The same monitor shows up as two displays

I have a monitor plugged into my Dell Latitude running Ubuntu 14.04. I have the problem that my monitor shows up as two separate displays. But it is actually showing only one of the displays. And ...
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1answer
517 views

Ubuntu 14.04: Cannot change screen resolution

I know there are many questions with the same topic, but no solution seem to apply to my case... I'm on Ubuntu 14.04 on a Toshiba Satellite L735 laptop. My xrandr output is: Screen 0: minimum 8 x 8, ...
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1answer
47 views

Get both Graphics cards working

I have 2 nVidia GeForce GTS 450/PCIe/SSE2 graphics cards, each with a DVI, VGA and HDMI port. Unfortunately, only one of these cards is detected by Ubuntu, so I have to have one screen on VGA and the ...
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110 views

Monitor disconnected when screens go black

Since short I have a new 4K monitor connected to my AMD R9 280x on Xubuntu 14.04 via DisplayPort. I have a second monitor connected to the computer as well via HDMI. What I'm observing is that when ...
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2answers
99 views

cannot move cursor to external monitor

I just connected my external monitor and it all works fine. I tested this even in windows. But on ubuntu I cannot take the cursor to the external monitor. It just doesn't move there and it gets stuck ...
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30 views

Mouse Issues on VGA output

I am running Ubuntu 12.04 on a Lenovo Thinkpad X200. I am using the VGA output on a second monitor. The mouse works fine when using it but as soon as I touch the internal screen on my Thinkpad, the ...
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60 views

Monitors lose position in multihead setup in 14.10?

I'm experiencing an issue with Kubuntu 14.10 where after I set the monitor position and reboot, the position is again lost each time. This is being set via System Settings -> Display Configuration. ...
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178 views

External monitor works fine, but laptop shows black screen (even though it is detected)

I have quite a weird problem: a few months after successfully using Ubuntu, the laptop screen went black. After some attempts to fix it, I have discovered that when I plug in an external monitor, I ...
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0answers
11 views

ATI Eyefinity vs Nvidia SLI 3-monitor span for gaming [duplicate]

I'm going to be building a computer for iRacing/gaming, and I'd like to use Ubuntu. I'm wondering which card vendor has the best support for a 3-monitor setup that would treat the 3 monitors as one ...
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1answer
75 views

Dual Screen / Dual GFX card issue

I recently added an additional video card (Radeon HD 6450) to my system and instead of improving the response time its worse than before. On the 1 GB card the video display is very laggy, on the ...
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1answer
74 views

Use 100% of edge to go between monitors

My monitors are currently arranged like this: +---------+ | | +------+| | | || | | || | +------++---------+ If I'm at the top-left corner ...
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100 views

How to get “xdotool windowsize” to resize a window across two monitors

I have two monitors side-by-side. I can manually resize a window to span across the two monitors. However, I am not able to automate this action using "xdotool". It appears that I can resize the ...
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1answer
91 views

Split large resolution into 2 desktops

I am trying to find a solution to a limitation we have with a split DisplayPort to 2 monitors. It creates a single display across each monitor. As far as hardware goes our hands are tied since we ...
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1answer
144 views

2 pc, 2 monitor: Switching between extended screen and two separate screens

I have two computers and two monitors: My primary computer: computer1, is hooked into two monitors: monitor1: primary monitor and monitor2: secondary monitor. The second monitor, computer2 is only ...
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1answer
46 views

Laptop-connected VGA monitor is mirror only, not independently detected. 14.04

I know this is a common occurrence but I can't detangle the error. This connection has previously worked, but between then and now (12 months perhaps), I tried to get steam running and may have messed ...