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

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Laptop LVDS (built-in) monitor not recognized under 14.04

I've been running Ubuntu 10.04 on my Dell Vostro 1220 with and without various external VGA devices since 2010 with no problems. I finally tried doing a fresh install of 14.04, and my laptop's ...
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8 views

Second monitor image position problem

I am using Ubuntu 14.04. After a recently Ubuntu update the image on the second monitor is wrong positioned. Image on second monitor I tried to modify monitors.cfg to adjust the x position but no ...
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1answer
106 views

Ubuntu Mate 14.04, Nvidia and Intel videocards multimonitor usage?

I've upgraded my PC and reinstalled an OS: Ubuntu Mate 14.04 LTS. Installation went ok. Some tweaks and my multi-monitor system (2 monitors) works well: one monitor is connecting to Intel HD ...
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23 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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22 views

How do I switch my monitors separately on Ubuntu 14.04?

I have two monitors, and would like each monitor to have its own desktop wall. I did some Googling, installed CompizConfig Settings Manager, and changed Desktop Wall => Viewport Switching => ...
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how--->Second screen on the left side but the Icons should remain on the main monitor (i.e. Right side)?

I want to keep the secondary screen on the left side which i can do through the monitor setup tool. Problem: As the secondary screen is on the left side therefore, my desktop icon has moved on that ...
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16 views

My Xorg.conf file has both cards but only one monitor working?

I am trying to get my second monitor to work off two old amd cards (Radeon X1300/ rage Mach64). these cards are no longer supported by amd. When I generate the xorg.conf I have device sections for ...
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Desktop Icons Off Screen Combined Display Ubuntu 14.10 Gnome 13.14

I have two monitors side by side both with the same 1680x1050 resolution, but one is lower than the other. But if I arrange them as such in the display settings then any icons that I have at the top ...
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81 views

Problem on using multiple displays on Ubuntu 14.04.1 LTS

I have a laptop with an Intel integrated graphic card, i.e. id: display description: VGA compatible controller product: Haswell-ULT Integrated Graphics Controller vendor: Intel Corporation ...
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23 views

Mouse flickers and computer is unresponsive while mouse is moving

I just installed a second video card in my PC to add a third monitor. Ever since I did this, I have found that my mouse flickers. Also, while watching a video (e.g., on youtube) the video stops while ...
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14 views

How can i play games on 3 monitors?

I have 3 monitors, 1 Samsung SymcMaster 206bw 22" I think, and 2 NEC MultiSync LCD195vxm+. I have a graphic card sapphire R9 270. Samsung monitor is on Display Port, and both NEC are on DVI. I play ...
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1answer
34 views

Added 2nd monitor, caused mouse and keyboard not to work and more

So I have a Radeon 9800 with 2Gb video RAM, Intel i7 4th gen, 32Gb RAM Dell XPS 8700 chassis running Ubuntu 14.04. I've had 2 monitors on my desk as I switched from my old PC and today I finally ...
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21 views

Second monitor detected but appear to be “off”

I have been enjoying dual monitors using Xubuntu with Nvidia driver 340.58 for some time now. However, suddenly one of the monitors stops working. In nvidia-setting panel it just appears as "Off" and ...
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1answer
106 views

ubuntu 14.0.4 64bit keeps freezing - NOT A DUPLICATE [duplicate]

I've just installed 14.0.4 on a new system and I've noticed that my computer will freeze at least 5 times in a work day, where I can move the mouse around, but i can't actually click on anything and ...
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8 views

how activate Eyefinity on ubuntu?

I have 3 monitors, 1 Samsung SymcMaster 206bw 22" I think, and 2 NEC MultiSync LCD195vxm+. I have a graphic card sapphire R9 270. Samsung monitor is on Display Port, and both NEC are on DVI. I tried ...
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47 views

Lubuntu 14.04 - Connect projector to Asus Eee PC 1000HD

I have replaced windows XP with Lubuntu 14.04 on my mum's old netbook (Asus Eee PC 1000HD). She uses it mostly for presentations, so she connects projectors pretty often. Unfortunately, there is a ...
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14 views

EDID invalid => wrong resolution (identical monitors)

I have 2 identical monitors. However the one connected to the second port on my workstation is not recognized by the system. I have an NVIDIA GTS graphic card. The PC was shipped like it is now. No ...
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1answer
26 views

ATI Radeon X600 and two monitors

just installed ubuntu 14.04 LTS, can not customize as expected two monitors in any attempt to change the parameters of their joint work- error, and indeed the system slows down, I think it's because ...
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90 views

Nvidia Prime does not detect external VGA monitor after updating Ubuntu-drivers-common and xorg

This post is a followup to another post I had about accessing my external monitor after upgrading my ubuntu-drivers-common package. I had found the cause to be this bug, but now that a fix is ...
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1answer
26 views

Multiple monitors freeze and have artifacts when logging in

When I boot into Ubuntu on my computer 2/3 times the monitors will freeze and the system will become unresponsive. I have triple monitors. This is what is looks like when it freezes. All of the ...
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12 views

Using Genius MousePen i608 with multiple screens

I own Genius MousePen i608, and I want to use it with multiple screens (just on one screen), but the tablet is controling every screen, so the area on it is splitted in half (first half for first ...
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1answer
41 views

Dual Monitors, play movie on one, while typing on another

I have a dual monitor setup for my laptop, running Kubuntu 14.10. On the laptop I want to be able to load up a text file or Firefox and type at the same time on the second monitor I have a movie ...
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28 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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11 views

Extended Desktop broken into 4 halves on 2 monitors

I'm having this issue on my HP Envy 17-2070nr with a Radeon HD 6850M. I'm using Ubuntu 14.04. Here's info. for anyone who can help: Extended desktop causes internal monitor to show 1/2 of its own ...
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1answer
29 views

Grub: preferred video interface at boottime

My HDTV is connected through HDMI. My desktop through DVI. At boottime grub displays the bootmenu ( where I can choose for Windows or Linux) only on the HDMI interface. Since my TV is off during most ...
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36 views

Video flickering in full screen mode only in chrome and chromium. firefox works fine. intel hd4000, external monitor via hdmi

Since I updated to 14.10 I get some annoying flickering while watching video in chrome and chromium, but only in full screen mode. Firefox works fine, but i prefer chrome/chromium. It worked fine in ...
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21 views

CLI: Defoult monitor and it's resolution

To keep long story short: I have 3 monitors plugged into my computer. Main (1920x1080) via DVI, secondary (1440x900) via D-sub and a TV (720p) via HDMI. I want to have CLI (and possibly GRUB) on the ...
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1answer
67 views

2nd monitor not recognized on boot after upgrade to Xubuntu 14.10

I'm running Xubuntu 14.10 on a old MacBook Pro with a VGA monitor as second display. The displays were set up with xrandr in autostart as following: /usr/bin/xrandr --output VIRTUAL1 --off --output ...
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40 views

system freeze after monitor power save

I have a Lenovo ThinkPad running Ubuntu 14.04 LTS with a DELL U2414H connected via the Display Port as a secondary display. When the monitor goes to power save mode and I try to wake it up, I get the ...
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80 views

14.10 two monitors with GeForce GTX750

I have some problem with my desktop pc and Ubuntu (both 14.04 and the newest 14.10). My pc has two monitors: the first one is old and has only VGA (D-SUB) plug - I plugged it to Intel Graphics ...
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1answer
160 views

14.04 - Nvidia HDMI problems

I'm running Gnome-shell 3.10 on Ubuntu 14.04 When I connect the monitor to the HDMI port, video is displayed, but mouse movement, and opening windows, causes some weird clipping effect. Connecting the ...
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36 views

Problem switching to external monitor in Ubuntu 14.04

I usually use an external monitor to watch videos from my DELL Studio 1537 laptop. I just use the Fn + F8 combination to switch to the external monitor and I didn't use to have any problem. Since I ...
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3answers
78 views

can't rearrange multiple rotated displays

I'm trying to set up a computer with 3 HDTVs as one big screen, with each display being rotated 90 degrees to form a 3240x1920 desktop. I have them all hooked up and working, but when I try to rotate ...
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28 views

Ubuntu refuses to recognize my external monitors

I'm running Ubuntu 14.04 as a guest OS using VMWare Fusion 6. My machine is a MacBook Pro with and Intel Iris Pro graphics chipset, running OSX Yosemite. I have two external monitors plugged in to the ...
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76 views

Trouble with NVIDIA X Server settings: Second desktop bleeds onto main desktop (14.10)

I've got a malfunction trying to run Ubuntu 14.10 with dual monitors. I got my TV connected to my laptop via HDMI, opened up NVIDIA X Server Settings, set the TV up the way I liked it and all was ...
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31 views

Second moniter wont work in ubuntu 14.04

I have a NVIDIA GeForce 9600 GT card and two Samsung monitors. Currently only one is showing anything although according to my settings both should be on: http://i.imgur.com/6WRrkyC.png (I don't have ...
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1answer
62 views

multiple monitors, multiple workspaces, multiple mouse&keyboards

I have three monitors, three workspaces, and three mouses & keyboards, and only 1 Linux machine. Can I attribute each monitor and mouse and keyboard to a specific workspace?
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17 views

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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117 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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29 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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254 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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61 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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35 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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0answers
31 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
43 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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84 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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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
40 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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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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22 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 ...