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

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Ubuntu 14.04 Intel Graphics Dual / Extended Monitors

Once Ubuntu user returned after a few years messing around with other distros. I have just installed 14.04 and I'm having an issue with my dual monitors. I've Googled this issue only to find solutions ...
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Virtualbox --build --headless returns error

Failed to open the X11 display. This is related, I believe, to the other issue I'm having with the server not putting anything out to the display after a successful install. I have a post on ...
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82 views

How to disable nvidia xserver panning?

I have just connected my external monitor 1980x1200 to DisplayPort. I have Nvidia Optimus technology so I had to change into nvidia graphics. Monitors are working fine, I just got a problem, that my ...
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192 views

14.04 (installed in MacBook Air) doesn't detect second monitor

I have 14.04 installed in a Macbook Air 2011 OS X Mavericks. In Ubuntu the "Displays" window does not detect a second monitor Flatron L1953S (which otherwise works OK in the OS X). In that Ubuntu's ...
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129 views

Nvidia Optimus dual screen setup on TP W520

Hi I'm trying to setup Nvidia Optimus with Driver 331 from xorg-edgers with an external Monitor on Displayport. TP Display resolution: 1920x1080 Ext. Display resolution: 1920x1200 Mirroring mode ...
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84 views

Unity: Have a window that is always on specific workspaces?

I have two monitors and 4 workspaces configured in unity (2 monitor on each workspace). I do development using IntelliJ IDE on server side and hybrid mobile app frontend so I often have two instances ...
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33 views

media control keys on docked Dell Latitude laptop also changes multiple display settings

I have a Dell Latitude E6520. This laptop has keys above the numeric keypad for "rewind", "play/pause", and "fast forward". When the machine is docked with an external monitor, using these keys ...
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144 views

How can I change the dpi of my monitors separately? [duplicate]

I have two fullHD monitors, one of which is a 15" Laptop screen. How can I change the DPI of only that particular screen, to read text more comfortably?
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121 views

Simple way to connect MacBook Pro laptop to an external display in Ubuntu 12.04

I would like to know a simple way to connect a MacBook Pro laptop to an external VGA LCD display in Ubuntu 12.04, using the machine's mini display-port and a mini display-port to VGA adapter. I've ...
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2k views

Nonexistent display (Unknown Display) messing things up

I've been cracking my head with this one all day, read all there is to be read around the issue (not much to be found on it to be honest: some questions, some blog posts and some unresolved tickets) ...
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2answers
122 views

How to show slide console on laptop and slide-show in the projector using Libreoffice 4.2 on Lubuntu 14.04?

I'm trying to setup my laptop (Dell D420) with Lubuntu 14.04 and Libreoffice 4.2 to show a slide presentation to a VGA projector. I used ARandR to make a screen layout where the laptop screen ...
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1k views

Dual-display solution (other than ARandR) on Lubuntu/Xubuntu?

What I want to achieve is an elegant way to use my two screens on Lubuntu or Xubuntu. Being elegant means: 1) Working in the same extended-display mode as in ubuntu-desktop (the common Unity Ubuntu) ...
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316 views

Second monitor no longer working on Ubuntu 14.04 [Intel]

My laptop is an Acer Aspire M and I used to connect a second monitor through hdmi regularly. About a month ago, it simply stopped working. I don't really know anything I can do, so any help would be ...
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24 views

Desktop icons appear in the Centre of two monitor's

The problem I have been seeing is in Ubuntu 14.04 LTS when using a Hyundai (primary monitor) and a Dell (secondary monitor) to effectively have an extended screen layout. When I start-up my desktop ...
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135 views

is it possible to configure 6 Monitors with a Amd r7 260x in different graphical virtual consoles?

I have a project to configure 6 monitors using eyefinity technology from amd so i'm figuring out the way to do it, i'm thinking to use tentatively the xfx r7 260x card with 2 dvi ports (DVI-i, ...
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68 views

Two monitors - resolution not correct

I have two monitors that are exactly the same make and model but obviously with different inputs...I am trying to get them working in Ubuntu 14.04. Here is some output from a random command I found: ...
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269 views

How to set primary monitor with AMD Catalyst Control Center installed

when I run xrandr, I get a list of my connected monitors (which are DFP5 and DFP6) DFP5 is an HDMI connected TV which I want to be my secondary monitor as it is smaller, and DFP6 is a DVI connected ...
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46 views

3 monitors mixing GPU and IGU

I'm completely new to Ubuntu and am trying to get 3 monitors (or four if possible) to work on a GeForce GTX550ti and integrated graphics. When I installed, Ubuntu seemed to extend the top bar across ...
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71 views

Two Black Screens on Triple Monitor Setup with fglrx and fglrx-updates

I am running Ubuntu 14.04 LTS with Gnome 3 (but this also happens with Unity). However, once I login, only the center monitor (primary) will work. The other two monitors are black, but they do show ...
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178 views

Lubuntu 14.04 Dual Mon with ARandR Screen Layout Editor

I have make use of the XRandR with Lubuntu 14.04 on my old VAIO TZ17GN notebook. It working fine for my dual monitors situation. But I found some tricky issues. Desktop issue First of all, I can't ...
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2answers
2k views

Can't detect external monitor on Thinkpad W530 running Ubuntu 14.04

I have a Thinkpad W530 running Ubuntu 14.04; I've tried connecting external monitors via both VGA and DisplayPort, but neither are being detected. I turned off Optimus, and am only using the discrete ...
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123 views

External Display HDMI out not working

I know this may be a stupid question but are Samsung monitors supported in Ubuntu? I ask because I've recently switched over from windows to Ubuntu 14.04 on my laptop. I have a Samsung monitor I user ...
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1answer
107 views

Save Display Configuration, depending on the connected Displays

I was wondering why Ubuntu does not save the Display Configuration, depending on the connected Displays. I have a Laptop using a Dockingstation. If the Laptop is connected to the Dockingstation I ...
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262 views

What is the recommended way to run more than 2 monitors in ubuntu?

After quite a bit of trial and error, I have gotten 3 monitors running in 14.04 using an active displayport-to-hdmi adapter, a DVI and an HDMI. However, upon rebooting my system I often have to fiddle ...
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292 views

Problems with dual monitor support in Lubuntu 14.04

I recently upgraded to Lubuntu 14.04 from 13.10. Most things are working correctly but I have a few problems with my dual monitor setup. My video card is an AMD Radeon HD 7640G and I am using the ...
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137 views

Sony Vaio External Monitor problems

I am having problems enabling external monitor on my Sony Vaio notebook. It is being successfully detected, but when I try to enable second external monitor the screen glitches and lags (it is like ...
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1answer
153 views

How do I use multiple laptops as external display over network?

I have a relatively powerful computer (8gb ram, 64bit, quad core) and I can easily drive three monitors, my tv over hdmi, my 17 inch hd internal laptop display, and an external hd display. I have ...
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292 views

Dual-monitor setup; one monitor changes to low resolution

Dear AskUbuntu Community, I am using Ubuntu 13.10 at work with dual-monitor display. One has 1920x1080 resolution and the other 2560x1440 (main), the graphics card is Radeon 7570 1GB. The main high ...
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1answer
113 views

Does XFCE have a sticky edges option or plugin?

I'm using two monitors and really enjoyed the sticky edges feature of GNOME. Does XFCE have something similar? Sticky edges, in Unity, meant that when moving the mouse between your two displays, it ...
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149 views

Recent update in ubuntu 14.04 resulted in my external monitor being unable to go above 1024x768 without being met with a black screen/no signal

This is all through HDMI. I cannot go above 1024x768 or I get a black screen / no signal. This means anywhere between 1152x864 and 1920x1080 (which is what I had been set at before the issue). ...
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267 views

Two monitors, two DP-connectors, Ubuntu sees those as one

I have a IBM ThinkPad in a dockingstation. Attached are two monitors (default resolution: 1920x1200) via two DisplayPort connectors. The laptop have Nvidia/Intel chipset, but I only using Intel. ...
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Need to run xscreensaver in ONE of the TWO monitors in a multihead setup - Ubuntu 12.04

I have a multihead setup with two monitors, running Ubuntu 12.04. How to make xscreensaver run in one monitor. Need only one of the following lines present, on invoking xscreensaver. xscreensaver: ...
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99 views

How to make “Record My Desktop” capture only one monitor?

I've been using Record My Desktop for a while but a "problem" shows up. Today I have two monitors. One monitor extend another, but RMD when is capturing my desktop, records the entire desktop which ...
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114 views

Why doesn't xrandr recognize my view as connected, even though it's on?

I have a dual screen setup via a Lenovo docking station, the laptop itself has its lid shut. The two screens are mirror display, i.e. both are clearly on and working to some extent, they both display ...
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395 views

Xubuntu 14.04 setting Primary Monitors

I'm using Xubuntu 14.04 with the 331.38 drivers that I installed via the "Additional Drivers" My issue is that when ever I start up a game it starts up in the wrong monitor, to fix this I when my ...
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284 views

Cannot move windows to second screen

I have an external monitor plugged into my notebook, but I cannot move windows from the bottom screen (built-in screen) to the upper screen (external monitor). The windows stick at the top border ...
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221 views

Dual display detected but not working after startup 14.04

Here's my situation--I've got an HP Envy laptop running 14.04 with an AMD A10 APU. Catalyst display dashboard and the works are installed. As the system boots up, it acknowledges the external display ...
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97 views

Impossible to start Ubuntu after installing lxde

i just tried installing lxde on my Ubuntu 14.04. I wanted to try working with two different screen at the same time. So to do that typed CTRL+ALT+F2 to go in another terminal and then i typed the ...
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49 views

Display seems to crash after login [closed]

When i log in as main user, the display seems to crash. It only shows artifacts and the unity bar at the top. When i log out and back in as a guest everything is fine. So there must be a config in ...
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89 views

Nvidia layout inconsistencies when saving to x configuration file (Ubuntu 14.04)

I am having trouble saving to the x config file from the nvidia x server settings. When I click the "Save to X Configuration File" button, I get "The current layout has some inconsistencies". Under ...
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54 views

Multi screen inactivity suspend

I am new at this so please bear with me, My question is: I have two screens on my pc one 22" monitor and one 26" HDTV now the monitor is connected via a VGA port and the TV via a HDMI port both of ...
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418 views

Xubuntu 14.04 - HDMI Display no longer detected

I have a Sager NP8268, and install Xubuntu 14.04. I have been using an external Asus PB278Q monitor for 3 weeks or so via HDMI. Today, the monitor is no longer detected by xfce4-display-settings. ...
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Xserver shows just the icons on the second screen

i would like to have two different Xserver sessions, because i want to use the same machine from two differet computer by VNC. I mean we are two different person that need to work in the same server, ...
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1answer
112 views

After updating ubuntu 14.04 to ubuntu-proposed using software updater on jun 27th built-in notebook display keeps showing boot screen

after updating ubuntu 14.04 using software updater to ubuntu-proposed automatic displays configuration stopped working correctly. My built-in notebook display keeps showing ubuntu boot screen(the one ...
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27 views

How to make my secondary display not to overflow?

My primary display resolution is 1920x1080 and my secondary display is 1366x768 (both physically and in the settings). My O.S. is Ubuntu 14.04. I extend the desktop and my problem is that the content ...
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Motherboard secondary DVI no signal

I just bought a motherboard with integrated graphic (intel) 3 outputs: 1 x VGA 1 x HDMI 1 x DVI I've been able to use both VGA & HDMI but the DVI is not detected. $ lspci 00:02.0 VGA ...
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ubuntu gnome 14.04 can't turn off built-in display

I have ubuntu 14.04 gnome(3.12) on my laptop. My laptop screen is broken so I just have an external monitor plugged in and I use that. In the passed version I would just turn off the built-in (broken) ...
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Xubuntu 14.04 does not detect second monitor

I have a Dell Latitude Laptop E6440. The laptop have two interfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
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117 views

Switching back to nvidia after redock Lenovo W520

This is using a Lenovo W520 and the dual video port docking station. I am trying to undock with switching to the Intel video card and re-dock switching back to the nvidia card. 1) Boot attached to ...
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118 views

Optimus technology: Can I use intel graphic with HDMI external display

I have a Lenovo T430 with the optimus technology. I am using nvidia-prime to be able to switch between nvidia and intel cards. So, far there is no problem until I got an external monitor and I wanted ...