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

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Black bars when setting wallpaper to span on multiple monitors

I have a wallpaper with a width smaller than the total width of my two monitors. In windows this isn't a problem, because when setting the wallpaper to the windows equivalent of span, it just spans ...
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314 views

Using extended multiple monitors in Kubuntu 14.10 Plasma 4

I use VirtualBox 4.3.12 r93733: Guest OS: Kubuntu 14.10 Plasma 4 x64 Host OS: Windows 7 SP1 x64 Ultimate I configured the virtual machine to have 2 monitors: When I launch Kubuntu 14.10 Plasma ...
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1answer
58 views

multi-monitor organize desktop by name bug

I'm using Ubuntu 14.04LTS with Unity, and using two monitors: my notebook build-in display, 1366x768 and an external monitor at 1920x1080 resolution. my primary monitor is the built-in, and so, when ...
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0answers
336 views

Screen resolution messed up on Ubuntu 14.10 with Nvidia 331 driver

I am using the Nvidia 331.89 (nvidia-331) driver as recommended by Ubuntu 14.10. When I boot my machine using an external monitor and my laptop's screen on, the displays are mirrored by default with ...
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103 views

2nd external monitor ubuntu14.04 acer aspire e1-571g

I've plugged in second external monitor to my laptop (so I've got 3 monitors in total). I've plugged one to HDMI, and other to vga port. The OS does see both monitors, but one of them is disabled in ...
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67 views

Ubuntu showing problems in connecting two external monitor

I am working with Ubuntu 14.04 on Dell E7240. I have connected two external Dell monitors E2211Hb but they both are not working simultaneously. Yesterday both were working fine and after some time one ...
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1answer
108 views

Moving windows left/right/up/down between multiple monitors on KDE

Is there any way to configure a keyboard shortcut to move a window to the left/right/up/down monitor? The only action I see in System Preferences -> Shortcuts and Gestures are "Window to previous ...
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1answer
87 views

Unplug external monitor, laptop display not coming on

In Ubuntu 14.04 if I unplug my monitor from HDMI and open my laptop, the built-in LCD doesn't come on. Only after hard rebooting am I able to get back to a state where my laptop screen is the primary ...
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116 views

2nd Monitor not displaying anything with Multiple X Screens

Specs: Unity Nvidia Quadro K2200 - 340.46 Drivers Multi-Monitor: ASUS P287Q (4K main, DP 1.2) and Generic Lenovo Thinkvision 1600x1200 monitor (DVI) Since I have different DPIs on both screens, I ...
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81 views

xrandr and multiple displays

So I'm pretty new to Ubuntu and Linux in general. I have Ubuntu 14.04 installed on my laptop and want to attach another monitor. The native laptop display is running at 1366x768 and my monitor is ...
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1answer
145 views

Is there an equivelant to windows+p hotkey (change between mirrored/extended monitor) in Ubuntu?

In Windows, Windows Key + P changes how an attached monitor is attached. I primarilly used it to swap between mirrored and extended views. Is there a similar hotkey in Ubuntu 14.04? To clarify, I'm ...
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87 views

Two monitors one 23“ hd and one 28” 4k

I have two monitors connected to my computer, I am using Ubuntu 14.04.1. One screen is set at full hd 1920x 1080 and the other monitor is 28" 4k set to 3840 x 2160. I have nvidia 760 display card. I ...
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24 views

Reinstalling Unity greatly increased start time

I had some issues with xrandr; namely, I set a primary monitor as DVI0 instead of DVI-0 which caused a whole mess of issues. After an hour of searching/messing around in the root terminal, I managed ...
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19 views

X server boots on unconnected screens rather than on internal laptop screen

I usually use my laptop with 2 external monitors (Lenovo T520 with docking station supporting 2 DVI outputs) which generally works fine. I always keep my internal screen turned off. Unfortunately ...
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1answer
70 views

Overlapping gnome-terminals in second monitor

I'm not quite sure how to properly title the issue that I'm facing. I use a lot of terminals and I really like the feature where Ubuntu opens a new terminal next to existing ones. However, If I ...
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0answers
82 views

Set user-created display mode as default for device with xrandr

On my notebook, for VGA connections only a resolution of 1024x768 is detected. This I by creating an ~/.xprofile file xrandr --newmode 1680x1050 146.25 1680 1784 1960 2240 1050 1053 1059 1089 ...
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0answers
94 views

Connecting second screen via HDMI

I'm pretty new to Linux: I'm running under Ubuntu 14.04 Gnome which I recently installed (my laptop was OS-less when I bought it). It has an Intel Haswell Mobile chipset and I can't seem to connect a ...
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141 views

Is my system capable of doing dual monitor output? Ubuntu 14.10

Currently my computer only identifies one monitor, and the other one won't display anything while it's twin is switched on. I've been looking at various guides but they seem predicated on having a ...
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0answers
121 views

Ubunt 14.04 dual monitors not working

I have a radeon 7970 to power my main monitor and a second gpu (5000 series I think?) powering my second monitor. They both work fine on windows 7, with the amd catalyst drivers. However, after trying ...
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8 views

Apple G5 dual monitors

When I have dual monitors with the Apple hook up my computer will not completely start and both monitors will go black and the power lights will blink just before that happens it says cannot reserve ...
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0answers
95 views

Lubuntu Using AMD dedicated graphics card and onboard graphics card at the same time

I am trying to use 2 different graphics cards on my PC, a AMD radeon HD 5750 and an Intel HD 3000. I have this setup working in both Windows XP and Windows 7 but I have no idea how to do it in ...
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222 views

System Tray icons (Skype, Wifi) and Double Displays

After upgrade no notebook to Ubuntu 14.04, I noticed the missing of my System Tray icons, such as Skype, Dropbox and others. After this, my system tray has back to show my apps: sudo apt-get ...
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158 views

Auto-detect new monitors/TVs and resize screen resolution in Ubuntu 14.04 Server

I have an Ubuntu Server 14.04 LTS installed on Zotac ZBOX CI320 Nano which has two video sockets: HDMI and Display Port. The PC hosts my website, download torrents, runs XBMC media center software ...
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39 views

Moving from 12 to 14 loosing nvidia xinerama feature

I just installed ubuntu 14 on the computer I was using ubutun 12 on (clean install, not update). After some efforts I was able to activate the nvidia driver, but I cannot make it use my 3 monitors as ...
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1answer
71 views

How to increase the horizontal resolution of second smaller screen attached with a laptop screen?

I am using a second smaller screen (Dell) with my laptop (acer Aspire 15.6"). The resolution of my laptop is (1366 x 768) but the resolution of the second screen is ( 1024 x 768 ). Question: How can ...
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0answers
87 views

Unity On Top of Full Screen Apps With Multiple Monitors

I use an nvidia graphics card with multiple monitors on ubuntu 14.04. However its extremely frustrating to use because if I have anything open in fullscreen on one monitor, unity will always appear on ...
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1answer
92 views

How to configure Multiple Mult-Headed GPU Cards?

I have a late 2011 Alienware Aurora R4 with two video cards: GeForce GTX 590 Driving three 27" HP2711 monitors GeForce GT 520 Driving one 32" Sharp AQUOS About a year ago I attempted to install ...
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22 views

Application launches but no longer appears on monitor (only visible in ALT-TAB menu)

I had a dual monitor setup up until recently. After booting back up with just one monitor, one (at least) of my applications launches but doesn't show on the monitor I'm actually using. When I ALT+TAB ...
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2answers
333 views

xorg.conf for two monitors, single ati graphics card

There are many iterations of this question, few with actual working answers, so after a few hours of trying to get it working on my machine, I will post my solution. How do I configure my Ubuntu ...
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0answers
111 views

Desktop Background Folder won't save with existing setting

I'm having a problem with Settings Manager -> Desktop -> Backgrounds. I originally set Folder to Backgrounds Hiking for each of two monitors (in a 4 workspace configuration and Apply to all ...
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1answer
149 views

Workspace stays fixed on external monitor, Ubuntu 14.04

My laptop is connected to two external monitors. When I switch workspaces, only the main monitor will switch, and the second monitor will stay fixed. Since I want to switch between several task, each ...
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0answers
49 views

Multi monitor remote desktop to Ubuntu

Is there some way or remote desktop solution (paid OR free) that I can use to remote from one Linux PC to another with multi-monitor support? In other words, Computer A and Computer B both run ...
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0answers
158 views

Second screen not disconnecting (HDMI)

I have an HP Pavilion TouchSmart laptop running Ubuntu 14.04.1 I usually connect a second display via HDMI which worked fine until today. I can connect the display fine and everything ...
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0answers
103 views

AMD Radeon can not handle multiple monitors on a Dell Inspiron laptop

My dual display will not work properly. The screen flickers and displays half in primary and half in secondary monitor. My laptop is Dell Inspiron 7520 with dual video card: AMD Radeon HD 7730M and ...
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0answers
95 views

Increase virtual screen size past 4096 x 4096 on Ubuntu 14.04 LTS

I have two 27" monitors with a 2560 x 1920 resolution each. When I try to extend my desktop across them both I get the below error: So, if I need to increase the maximum virtual screen size? To ...
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0answers
169 views

Master the dual screen in Ubuntu 14.10

My setup is a laptop connected to an external screen I have just bought, so that I have now a built-in 14" display (1920*1080) and an extra 24" display at 1920*1200. Because the widths match I use ...
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1answer
210 views

Dual Monitor Setup, One Monitor has Double Width and scrolls into other monitor

I've looked around and cannot find this issue anywhere... So I have a two-monitor setup on my Ubunutu 14.04 desktop. I had just solved a strange mouse issue by switching to Proprietary NVIDIA drivers ...
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0answers
82 views

OpenOffice Impress Presentation not showing

I have the following setup: A laptop and a second screen that is connected to the laptop via VGA or HDMI. When I press F5 in OpenOffice Impress, the Presenter Console is shown correctly on my laptop's ...
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1answer
547 views

nvidia-331 +Nvidia Optimus (K2000M, Lenovo W530) + Ubuntu 14.04 + external display on VGA not recognized

Currently I have nvidia-331 installed. But the same problem appeared also with nvidia-343: If integrated graphics is set in bios: everything works fine. (except the VGA port, obviously) If nvidia ...
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0answers
140 views

lubuntu on laptop and external monitor not detected

I have an old asus L3500H laptop with sis740 video chipset and lubuntu 14.04.1 with kernel 3.13.0-36-generic. I've connected an external 22" 16:9 monitor, but it's not detected. At the moment I get a ...
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1answer
135 views

Ubuntu 14.04 - HDMI connection causes horizontal split

Running Ubuntu 14.04 on a Lenovo Edge 535 laptop. When I connect my HDMI cable in order to connect the laptop to the TV the screen splits horizontally and the OS becomes unresponsive. Screenshot: ...
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0answers
63 views

Ubuntu 14.04 Multiple Display Intel Gen 3

I'm a newbie at this and I am messing around with dual booting into Ubuntu 14.04. I'm trying to get my monitors to be recognised by Ubuntu but I have been unsuccessful... Screen 0: minimum 320 x 200, ...
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0answers
87 views

How to change default monitor

I have an Asus laptop with intergrated intel graphics and a nvidia GEFORCE GTX 760m. Im using the intergrated monitor aswell as a monitor hooked up with HDMI. They're both working fine i just can't ...
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0answers
47 views

Extending desktop to external monitor only uses part of the monitor

I have been trying to solve this for a few days but I can't figure it out. I have a Toshiba laptop with an AMD integrated processor. Things work fine except when an external monitor is plugged in. ...
3
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0answers
294 views

xdmx multimonitor setup

I'm trying to use my laptop's monitor to setup a multimonitor display with my desktop (both running ubuntu 14.04). Based on setup guides i've googled, I'm doing the following from my desktop: sudo ...
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0answers
45 views

Permanently Disable external Graphics Card (usb)

I've got this cooling pad with USB-hub, LAN-Port, Audio and a VGA-Port. It's all connected to the computer via USB. So I guess it's basically an external Graphics-Card for the VGA. Long: It didn't ...
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0answers
159 views

Ubuntu 14.04 Second Monitor Not Detected through DVI, but detected through VGA cable

I used to connect a 24" monitor to my laptop, equipped with GeForce410M, through HDMI cable. It sometimes had problems with detecting the monitor, but after a restart it managed to detect. Today the ...
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1answer
37 views

external monitor issue, when maximizing the screen opens on the laptop

i have a fujitsu siemens with ubuntu 14.04 on it, the external screen is a lg 32''. my problem is that when i use the external screen and try to maximize the player to turn on full screen mode, the ...
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2answers
926 views

How to fix multi-display after upgrade? (Ubuntu Gnome 14.04, Nvidia Optimus)

I did a dist-upgrade today and after rebooting it would not load any GUI (tried lightdm and gdm), just stuck at the blinking underscore cursor. I noticed the driver had changed to Nvidia 343 so I ...
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1answer
390 views

Dual monitor setup

I am having a lot of trouble getting Ubuntu to work with my monitor. It works fine on Windows, so I know it is not a cable or monitor issue. I have both a DisplayPort output and VGA, so I prefer to ...