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

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6
votes
4answers
2k views

How do I define the primary monitor in XFCE?

I've set up multiple monitors in xfce per this answer, but my secondary monitor was chosen as the main one. How do I change which monitor is the main one?
6
votes
1answer
480 views

`xcalib -i -a` controls only one of two screens - can it control both?

I am using 2 screens, and wish to invert the colors on both of them without using compiz (I'm using gnome shell). I can use xcalib -invert -alter as suggested in this question, but it only inverts ...
6
votes
1answer
126 views

Is it possible to set the Launcher to autohide on only one display?

I would like to access the launcher on my smaller notebook panel without wasting precious space. As space is not an issue on my external panel, there's no reason to autohide the launcher there. Is ...
6
votes
1answer
1k views

Is it possible to use both SLI and two monitors at the same time on Ubuntu with Nvidia?

I'm completely and utterly baffled by my inability to use both SLI and a dual monitor setup, even with Nvidia's latest proprietary drivers. Now I have to choose between the ergonomic and productive ...
5
votes
6answers
29k views

getting dual monitors to work on 11.10

I have two portrait mode monitors (the same model but one plugged in digitally, one analog). Both worked fine (as one big visual space) when I was on Maverick Meerkat. When I installed 11.10 I ...
5
votes
2answers
4k views

Triple Head Nvidia and Intel

I have a dell inspiron with an Intel integrated video and an nvidia video card. actually i have a dual head 2 x 27 samsungs monitors and i got an old 24 inch sitting there by himself crying to be ...
5
votes
1answer
659 views

Alt + tab to switch between windows that are only in one screen

I am using GNOME-Classic and my window switcher is the Compiz Static Application Switcher. My problem is, when I press Alt+Tab, the switcher gives me the choice between windows of the whole workspace. ...
5
votes
5answers
941 views

Building a six-screen setup. What video cards options are there?

I'm building myself a nice setup with a massive amount of screen real estate. Since I had/have problems with video drivers in the past. I'm asking for advise here first. I want to connect at least ...
5
votes
3answers
4k views

(Dual Monitor and 12.04) Snapping window to full screen puts the window on other monitor

Background (This problem does not occur in Unity 2D) When moving a window around, and putting the cursor to the top of a screen, the orange box expands across the screen and you let go and the ...
5
votes
1answer
2k views

Snap to full screen not working (dual monitors) [closed]

I just updated to 12.04 and I have found a highly annoying bug, I am wondernig if there is a work around. The snap feature, where you drag a window to the top of the screen and it will then fill the ...
5
votes
3answers
3k views

Dual monitor Unity launcher opening on wrong monitor

Is this a specific unity configuration or a dual monitor configuration problems ? In NVIDIA X Server Settings. Make this the primary display for the X screen, is my choice the middle display. But the ...
5
votes
2answers
14k views

How to make Ubuntu recognize an unknown external display (so I can adjust its resolution)?

I have a Dell laptop with an external monitor attached (a Samsumg SyncMaster 931c). My laptop display was recognized, and I can adjust its optimum resolution. My external display is still unknown, ...
5
votes
1answer
1k views

Change notification popup monitor [duplicate]

Possible Duplicate: notify-osd and dual monitors I have two monitors setup currently however when I get a new notification (ie popup for new mail, or im) it fades in on the secondary ...
5
votes
5answers
8k views

Second Screen is Rotated in a dual monitor setup

I have a laptop connected to a second monitor using a vga port. No proprietary drivers used. When I go to System Preferences --> Monitor and I turn that on it doesn't look as it should, and it's ...
5
votes
4answers
21k views

Dual monitors not working with an Nvidia card

Even my main monitor is shown as unknown. I have tried setting up dual monitors using Nvidia settings with no joy however it does recognize that I have 2 monitors. This was not an issue in 11.04. My ...
5
votes
3answers
3k views

How do I calibrate a touchscreen on a dual monitor system?

I have a dual monitor setup of two different sizes. My primary monitor is a 23 in widescreen Acer T230H touchscreen, and the second is a regular 20 in. When I go to use the touchscreen, the cursor ...
5
votes
2answers
797 views

Dual Monitor Configuration changes to “Mirrored” automatically

After installing 12.04 on my Samsung X120 Notebook (with Intel GMA 4500 internal graphics card) i have a Problem with the configuration off my 2nd monitor. Its a 22" with 1680 * 1050 Pixel connected ...
5
votes
3answers
3k views

How do I set-up three monitors with two graphics cards (3d acceleration enabled) in Unity?

I have looked at: How does /will Unity handle multiple monitors? -> only two monitors with twinview How do I get three monitors working? -> each monitor uses a seperate x screen + xinerama (no 3d ...
5
votes
2answers
5k views

2 external displays on Thinkpad t430s with HD4000 graphics

I am trying to run 2 external displays with my thinkpad t430s but it doesn't work. I get the error : could not set the configuration for CRTC 65 I'm using the VGA output and the hdmi output with a ...
5
votes
1answer
6k views

How can I force fullscreen on my right screen?

I have 2 screens: 17" on left and 22" screen on right side. When I watch a movie with VLC and want to watch on full-screen on my 22" screen (the right one), I move my VLC window in right screen and ...
5
votes
2answers
1k views

How do I resize the desktop on my second monitor?

I got two screens(extended desktop) and the second is widescreen standing on its side, so i told ubuntu that its vertical, it works fine, but the wallpaper area of the first horizontal smaller one, ...
5
votes
3answers
4k views

Configuration tools for multiple monitors for X / Linux

I have Ubuntu 10.04 running gnome and two monitors. I am wondering if a can get a better multi-monitor configuration tool. The one I have, gnome-display-properties, has too many problems, including: ...
5
votes
2answers
479 views

Can virtual terminals (ctrl+alt+f*) use external monitors?

My laptop has a broken screen (for a while now) and unfortunately I won't be able to fix/replace it for a little while longer than I hoped. Is there some way that I can get VT's to show on the ...
5
votes
2answers
6k views

Multiple-monitor display doesn't work after update to 13.10

I upgraded from 12.04 to 13.10, and after that, my secondary monitor doesn't work anymore. A little more info: $ xrandr -q xrandr: Failed to get size of gamma for output default Screen 0: minimum ...
5
votes
1answer
8k views

double screen in ubuntu 12.04?

I am using ubuntu 12.04 and my video card is ATI Radeon 5000. I cannot use double screen (extended version). I get this error The selected configuration for displays could not be applied ...
5
votes
1answer
2k views

12.04, multi screen - Dialogs opening on the wrong screen

I'm using Ubuntu 12.04 with a second screen. The laptop screen is where I do most of the work and the second screen is mostly for displaying documentation and things like that. That's why it's very ...
5
votes
3answers
543 views

How can I disable Macbook screen when the lid is closed whilst continuing to use an external monitor?

After getting Ubuntu setup on my Macbook Pro with Gnome Shell, there is one little thing irritating me: I have an external monitor connected which is set as primary in the Nvidia control panel. I'd ...
5
votes
2answers
2k views

ATI: Multiple Video Card / Monitor Setup — Need help getting it working

So I currently have a dual-ati video card setup on my laptop. A low-power one and a high power one. In windows 7 the drivers switch video cards when on external vs internal power. Also one of the ...
5
votes
2answers
1k views

(Dual monitors) Indicators displaying in panel on both monitors

The time, power, notification, networking and weather applets are displaying in the panel on both of my monitors in Natty. Is there a setting that I can change to ensure they only appear once within ...
5
votes
2answers
7k views

Using the Onboard VGA output with a PCIe video card. Both nVidia

I have 2 video cards, one On board, a nVidia 6150SE nForce 430 and a PCIe nVidia GeForce GT 220 1GB DDR2 RAM I have already configured the PCIe card to use the dual monitor feature, using the VGA and ...
5
votes
3answers
2k views

How do I recover the cool Unity Graphical interface after installing Dual Monitors?

I just got a second monitor so I can have dual screens on my desktop computer. Upgrading to 12.04, using BIOS to set my main graphic processor to "onboard", and changing the nvidia x server settings ...
5
votes
1answer
928 views

Dual-screen Flash - does it work?

Flash 10.2 brought the ability to full-screen and not exit out of it when using another screen (see this article). At least it did for Windows. I've never gotten dual-screen Flash to work like this ...
5
votes
2answers
2k views

Ubuntu 11.04 DUAL monitor issue

Hello I have a laptop 15' and was going to use 23' external monitor. I attached it and they both were working fine. But what I wanted is just to use only one monitor and leave laptop's display to be ...
5
votes
2answers
5k views

Is there a way to have an extended Desktop in Ubuntu a la Windows? [closed]

I have Ubuntu 9.10 set up with multiple monitors. Unfortunately, the way that Ubuntu handles multiple monitors by default in 9.10 is by having a separate desktop displayed on each monitor (it is not ...
5
votes
2answers
4k views

How can I use two video cards to power three screens?

I have two Radeon 6450 graphics cards in my computer, with three screens. Only the screens plugged into the first graphics card are recognized and configurable in the displays setting panel. How can ...
5
votes
2answers
1k views

Triple Monitor Setup with Nvidia and Compiz

I have a triple monitor setup with two video cards on Ubuntu 10.04. I have the monitors and graphics cards currently setup as follows: Nvidia Geforce 210 #1 -> 1920x1080 Monitor (Twinview) [Center ...
5
votes
3answers
3k views

Running three screens (laptop and 2 external monitors)

Kind of an Ubuntu noob here. I'm trying to run 2 external monitors along with my laptop monitor on Ubuntu 11.04. I have a Lenovo T520 with the following graphics: VGA compatible controller: ...
5
votes
1answer
4k views

Adding a virtual screen to xorg.conf 11.04 (third display over vnc)

I currently have an nvidia gtx470 with 2 x 22" 1920x1080 displays on twinview. Since I have a spare laptop (old but works) and screen (22" 1680x1050). A vnc server would be set up (viewonly) to the ...
5
votes
1answer
655 views

How do I move the Unity launcher to the left monitor?

I have a laptop which I sometimes connect to a screen. The screen is positioned left to the laptop. The unity dock is kept on the laptop screen and does not move to the screen left side (which is the ...
5
votes
2answers
802 views

Mouse flickering on one of my two screens

I just installed ubuntu 14.04 and the mouse is now flickering on one of my two screens. The other screen doesn't have any flickering. I was previously using ubunutu 13.10 without any issue. If I ...
5
votes
1answer
458 views

Dual displays not working properly, getting only low resolution

My hardware: I just installed Ubuntu 12.04.2 LTS (Precise Pangolin) and I have been unable to get my dual 1920x1080 monitors working properly with my GeForce GTX 670 FTW. The problem: Whenever I ...
5
votes
1answer
2k views

XFCE Display Setup

I have recently installed Ubuntu 12.10 on another PC, and decided to install XFCE (by installing xubuntu-desktop) Everything works great, except XFCE refuses to store my screen resolution and setup. ...
5
votes
1answer
490 views

Distorted graphics on start up

So I am using dual monitors and every time I boot up my machine after entering my password to login, both screens show distorted graphics which eventually go away. I am on Ubuntu 12.10 the OS type is ...
5
votes
0answers
2k views

Laptop monitor stopped working and can't be re-enabled on a Dell Latitude E6410 [closed]

I'm using Ubuntu 12.04 (upgraded from 11.10), everything seemed to work fine until today when my laptop monitor suddenly stopped working. Here are the facts: My laptop is a Dell Latitude E6410, Intel ...
5
votes
1answer
2k views

Windows expand over 2 monitors in quad-monitor setup [duplicate]

Possible Duplicate: Graphics cards so I can have 4 monitors i just installed ubuntu 11.10 with my previous hardware setup: 4 monitors and 2 identical nvidia graphic cards. draging windows ...
5
votes
0answers
713 views

Multiple monitors, different resolutions break maximize button [closed]

After installing 11.04 I noticed that the maximize button is broken with multiple monitors at a different resolution. When clicking on maximize on the screen with the lowest resolution, the titlebar ...
4
votes
1answer
7k views

Two monitors when only having one in 13.10

I just did a fresh install of Ubuntu 13.10 64bit, and it says that I have 2 monitors, when I actually only have one I have a Dell XPS 15 with Nvidia graphics card if that helps in anyway
4
votes
6answers
6k views

is there any ability to set primary monitor

I want my primary display be at the right and my TV (additional) be at the left. In that case new windows shall appear at the TV. Can I somehow set where new windows will appear ?
4
votes
3answers
6k views

Settings for multiple monitors are not stored

I am running Ubuntu 12.04. on a Lenovo Thinkpad T400. I connected an external monitor as a second display. The laptop stands under the external screen. The laptop has a native resolution of 1440x900 ...
4
votes
2answers
2k views

How to select display to record in recordmydesktop

I have a dual monitor setup and wish to only record the 1st monitor with recordmydesktop, but I am unsure of the settings when doing it via the command line, so far I have this: recordmydesktop ...