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

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Citrix Receiver on Ubuntu 15.04 with multiple monitors

I'm really struggling with this one... I have installed Citrix Receiver 13.1 on my Ubuntu 15.04 system. However when I actually open a Citrix session from Firefox it reports that it is version 10.5 ...
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45 views

Ubuntu on laptop: opening a window on an HDMI external monitor via command line

Using Ubuntu 14.10 on a Dell latitude, I'm trying to set up an external display connected through a mini-displayport. Ideally, I would like to be able to open a custom full screen application on the ...
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48 views

Gnome 3 : change system fonts size on each display of dual screen

With Gnome 3, is there a way to change the system fonts size independently on each display ?
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32 views

Unity launcher placement doesn't change

I am using double monitors in Ubuntu 14-04 with Unity and I want to change the launcher to my left screen. I know I can find this option in Settings -> Display but when I try to change it, it only ...
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42 views

How To Increase Screen Resolution?

I have a 1600x900 monitor attached to a 1280x768 laptop, only the latter resolution is available, how do i increase it to my monitor's max resolution? the xrandr result is: Screen 0: minimum 8 x 8, ...
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140 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
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55 views

Add virtual X11 screen to use via VNC

I'm trying to add a second screen to my ubuntu 14.04 gnome setup, via a VNC client. To be clear: I don't want to connect to a different session, but the same. However, I want to see a different ...
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59 views

TV started reporting no signal from HDMI Port

After 6 months of using my LG5500 as an external monitor for my Acer Aspire E1-472g laptop connected via the HDMI port, two days ago the TV started responding "No Signal". It is possible that what ...
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107 views

Xorg.conf is not changing the Display orientation

I am currently using Ubuntu 15.04 with a GTX 570 on 346.46. I have a 2560x1440 display with a 1080x1920 (portrait) display to the right. I am using i3 as a window manager. The displays seem to be set ...
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118 views

Extended monitor scaling

I have a Dell XPS 13 running Ubuntu 15.04 with a 3200x1800 display and an external 1920x1200 monitor that is connected via DVI through a mini displayport adapter. The UI on the built-in display is ...
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33 views

Fullscreen window placement becomes fixed in expo workspace after switching monitors

I wonder if there is any way to loosen the fullscreen window placement rules under 14.04. Rules are improved from 12.04 to 14.04 for conserving placement following a monitor switch (e.g., switching ...
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24 views

how to stop automoving opened windows when second monitor connected in ubuntu 14.04?

I am running Ubuntu 14.04 on my notebook and when i connect external monitor if it has "left" position configured, all opened windows move to external monitor, if external monitor has "right" position ...
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29 views

Dual display settings problem

I am running Ubuntu 14.04 with dual displays in an extended display configuration. When I play any of several games both displays go to clone configuration and must be manually reset after the program ...
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31 views

Ignore second monitor workspaces

I recently switched from Mint to Ubuntu. In Mint I had an option to only use my primary monitor for workspaces. I can't seem to replicate that in Ubuntu. I am fairly new to Linux. I almost always got ...
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179 views

4K (3840x2160) with GeForce GT 730M (Notebook Acer v3-571g) on HDMI port not working

I have a notebook Acer v3-571g with a GeForce GT 730M and try to get my new Samsung UHD Monitor 28" "U28D590D" to work in a 4K resolution via HDMI. As I can see on ...
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44 views

Lenovo W530 Ubuntu 14.04 discrete graphics mode random crash

Recently I switched my Lenovo W530 to Ubuntu, and after struggling with Nvidia drivers for about a week I finally got them to work after lots of googling. Then I was unable to get my second monitor ...
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75 views

Help with dual monitor support with Gnome

I just recently got Gnome because I got tired of Unity. The way I have my monitors set up is as follows. I have one 1080p monitor on the bottom and a 900p monitor on top. I want to be able to have the ...
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169 views

FreeRDP issues with full-screen and multiple monitors

We have two computers running Ubuntu 14.04 LTS. Both computers have two 1680x1050 monitors attached. When I run FreeRDP on one computer with the /f /multimon command, the remote session runs in ...
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53 views

How can I activate a second monitor displaying a second screen?

I am new to Linux. I have Ubuntu 14.04 with 3.16.0-33-generic kernel. I would like to use a second monitor and have a second desktop projected there (I have read this is know as Twinview). I ...
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29 views

WINE not working on external monitor

Certain games/applications on WINE work fine on my primary display, but just freeze (display wise) on my external monitor. They still function (ie: arrow keys result in sounds and things) and if I ...
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98 views

NVIDIA X Server Settings Not Saving

I have a GT 630 (2GB DDR2 Ram, PCIe16, HDMI, DVI, And VGA) Im running Ubuntu 14.04.2 LTS 64Bit With Gnome Shell. I have the "NVIDIA bianary driver - version 331.113 from nvidia-331 (proprietary, ...
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19 views

Have fullscreen cover 2 displays

I would like to have a fullscreen display covering two side by side monitors (i.e half of the view on one screen and half of the image on the other side). This means a mode in which "fullscreen" is ...
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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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125 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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98 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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350 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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99 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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192 views

NVIDIA X Server Settings only show one huge screen

My current laptop features dual graphics. I am trying to set screen resolution using the NVIDIA X Server Settings application, but it only show one huge screen, which is composed of my external ...
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275 views

Kubuntu 14.10 multiple monitor issue: how to persist configuration?

I have a problem with configuring multiple monitors in Kubuntu 14.10. The system is an AMD A8-3850 (Llano). The driver manager shows this as Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek [Radeon ...
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48 views

Edit slides on slide show with dual monitor

I want to connect a second monitor to my laptop and use Impress to show a slide on the second monitor. What I want to do is as the slide is showing to the second monitor, I could edit the next slide ...
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94 views

Same background color (not wallpaper image!) on dual monitor Lubuntu 14.04 setup

I have two monitors in a Lubuntu setup, and am only able to change background color on the main monitor, while the other keeps the default Lubuntu wallpaper. Now, on some other setups, the problem ...
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140 views

3 monitor flickering mouse ubuntu 14.10

I've downlaoded ubuntu 14.10 on my pc.. I've got a 3 monitor setup (2 with my nVidia card, 1 with my intel buildin grapics) But my mouse is flickering on my 2 nViadia screens. I already tried to ...
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50 views

Xinerama: Moving 3D Application Windows causes severe lag and sound distortion

I've been having this issue for quite some time now, but only recently managed to locate the problem itself. What happens is that whenever moving windows that contain 3D graphics, the whole system ...
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64 views

A 10 pixel wide bar shifted from right side to left side of screen in fullscreen video

In Ubuntu 14.10, in vlc and minecraft when they are displaying in either full screen or when maximized, a 10 pixel wide bar of the video is being shifted from the right side of my screen to the left ...
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131 views

Upgrade Xorg drivers breaks multiple display monitor Nvidia card Quadro610M [Ubuntu14.04]?

I recently upgraded the xserver drivers xserver-xorg-core and xserver-common to their latest versions (1.15.1-0ubuntu2.6). Ever since I am unable to correctly get a dual monitor setup working. Before ...
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349 views

External Monitor: VGA and HDMI Behaving Differently

I'm trying to set up a second monitor. I want the primary screen to be my laptop's built-in display and I want the secondary screen to be the external monitor. I'm running Ubuntu 14.04 with GNOME ...
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145 views

Resize desktop to fit HDTV output

I'm new to Linux and trying to learn to love it. At the moment, I'm using a mid-spec laptop that I connect to a 37" HDTV via an HDMI cable. This setup suits me really well and works (almost) ...
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28 views

Is there a desktop environment in which I can have the launcher/panel on my secondary monitor?

I have two monitors, one of which is 1920x1080 and the other is 1280x1024. I have the smaller monitor on the left. In Ubuntu 14.04 with Unity, I can put the launcher on the left-hand monitor; however, ...
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75 views

How to get the current display output using the command line?

I'm writing a script in which I need to switch between two displays, but I can't find a way to get the information about the current active output. Pretty much like this: if Display0 is off and ...
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40 views

Second monitor renders black, except for mouse

I'm running Ubuntu 14.04 and I'm using the fglrx drivers for an AMD Radeon HD 7800 with 2 monitors. When I have the drivers installed the second monitor renders completely black except for the mouse ...
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137 views

Horizontal Screen scrolling + Slow framerate with usb monitor - Ubuntu 14.04

I have been trying to setup my usb monitor as the third monitor on ubuntu 14.04 I installed the latest nvidia driver and followed the instructions on 331.113 readme randr14 Basically where im at is: ...
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118 views

Setting different subpixel rendering on different monitors

I am using dual monitors, one of them rotated by 90 degrees. Font antialising does not look right in the rotated monitor (i.e., there are rainbow borders around characters). I believe this is ...
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155 views

Wacom Tablet settings missing

I am running Ubuntu Studio 14.04 with tree monitors on an NVidia video card. I have a large Wacom tablet connected. The tablet is seen and works. Two of the monitors are the connected DVI and are the ...
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43 views

Nothing on screen except for the background picture after logging in

I was using two monitors last night and now when I turn it on and log in the second monitor is mirrored and nothing is on my desktop. If I try to open something from the terminal it says it cannot ...
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124 views

How can I get Xorg to handle both fglrx and intel for two devices? Getting segfault from Xorg

I'm trying to get a multi-monitor setup to work by utilizing my primary monitor that is connected to my AMD card and have a secondary monitor connected to my motherboard's VGA slot. The computer would ...
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70 views

3 displays, 2 connected to GPU, one connected to motherboard

I have 3 displays, 2 connected to the GPU (it is an AMD HD 6790, DVI and HDMI connectors), and another one using my mobo's VGA connector (the one you use when you don't have a dedicated graphics ...
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92 views

Dual monitor screens are reversed only in login screen

Today I installed Ubuntu 14.04 on my computer. I have dual monitor setup, and they work perfectly when I'm logged into the operating system. But every time I have to login in the login screen, the ...
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82 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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136 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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136 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 ...