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

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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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14 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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27 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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20 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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116 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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72 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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127 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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43 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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84 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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18 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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97 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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99 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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88 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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340 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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80 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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157 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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261 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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47 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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77 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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137 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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22 views

Shawdow drag effect on display in portrait mode

I just got a new AOC 27 inch pivot monitor (AOC Q2770PQU). I've got it connected to a System 76 Galago Pro laptop with Intel(R) Core(TM) i7-4750HQ CPU @ 2.00GHz with Intel Haswell Mobile graphics. ...
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45 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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57 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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125 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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305 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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132 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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53 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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35 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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124 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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97 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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140 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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41 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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110 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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65 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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84 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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76 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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130 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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112 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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95 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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122 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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173 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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121 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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187 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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70 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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50 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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162 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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109 views

Laptop detecting VGA port which isn't there. How to disable it? Ubuntu 14.04

Is there a way to disable the VGA port permanently, for all users? My Dell Inspiron 15 (3135) laptop has no VGA port, but System Settings> Screen Display shows the built-in display and a second ...
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35 views

Telling X to treat one screen as 2

I have a very large screen, which I'd like X to treat as 2 screens. That is, allow me to "maximize" a window to fill just one half, or to move a window to the other half. How can I do this?
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220 views

Ubuntu 14.04 DIsplay Problem

I'm running ubuntu 14.04 on a Thinkpad T530 machine with nvidia NVS 5400M graphics. When I boot to ubuntu, I always stuck at the dark purple screen with 'ubuntu' at the center and five red dots under ...