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

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6
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4answers
6k views

Dual monitors behaving strangely with ATI Mobility Radeon HD 3650

I recently installed Ubuntu and intended to use my 1920x1080 monitor with my 1440 x 900 laptop via HDMI, however, when I went into system settings to extend the displays I got this error: The ...
6
votes
3answers
2k views

Graphics cards so I can have 4 monitors

I currently have a single old graphics card to which I have connected 2 monitors giving me a big desktop of 2560x1024. If I get 2 of the following graphics card: ...
6
votes
4answers
3k views

Saving monitor settings?

Is there a way to save my monitor settings? I have an external monitor at work, but each morning i have to plug it in, rearrange the windows from being side by side to being on top of each other. Can ...
6
votes
1answer
7k 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 ...
6
votes
1answer
1k views

Is it possible to use more than two monitors?

Is it possible to use more than two monitors in Ubuntu? If so, which graphics cards are known to work for example with three monitors in Ubuntu?
6
votes
2answers
2k views

If external display is connected {“Lid is closed : Do nothing” } else{ “Lid is closed: Suspend” }?

My laptop suspends when I close the lid, as I want it to. However, when I connect an external display (HDMI) and keyboard (USB), I like to be able to close the lid of the laptop, without suspending ...
6
votes
1answer
4k views

Using DisplayPort with ThinkPad and DockingStation does not work

I have a ThinkPad x230 in a Mini Dock Plus. It is connected to two ThinkVision displays. Currently I'm using DVI, as I have had trouble using DisplayPort: Ubuntu is a current 12.10 installation, the ...
6
votes
1answer
3k views

Force full-screen game to one monitor?

I have two monitors, one 1920x1200 and the other 1920x1080, and in 10.10 they were "separate". As in when I opened the display preferences they were shown as separate screens. Since installing (from ...
6
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 ...
6
votes
1answer
1k views

Different behaviour in 12.04 and 14.04 when laptop lid closed with external monitor

I upgraded from 12.04 to 14.04, and notice a different behaviour in multi-monitor mode. In 12.04, when I plugged in the external monitor and then closed the laptop lid, the laptop would not suspend ...
6
votes
1answer
702 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
128 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
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 ...
6
votes
3answers
2k 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 ...
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
30k 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
936 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
1k 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
5answers
10k 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
3answers
5k 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
8k views

Any really decent way to get three monitors?

What satisfactory solutions are there to achieve three monitors on Ubuntu? I know some ATI cards (Eyefinity) can support 3 monitors from a single card, but I don't know how well this is supported ...
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
4k views

Thinkpad w540 w/ Ultra Dock only one external monitor works

I have installed Ubuntu 14.04 on this Lenovo ThinkPad W540 laptop, and everything appears to be working ok by itself. Today I received my docking station to which I intended to hook up 2 external ...
5
votes
2answers
15k 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
4answers
22k 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
4k 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
861 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
2answers
4k views

Prevent external monitors from shutting off when laptop lid is closed? [duplicate]

Possible Duplicate: How can I tell Ubuntu to do nothing when I close my laptop lid? I'm running my laptop essentially as a desktop, I have two external monitors hooked up, a bluetooth ...
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
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
501 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
4k views

External Display Issues Lenovo W530 Ubuntu 12.10, VGA not recognized

I am running a Lenovo W530 with Ubuntu 12.10. I have tried every solution I could find for this issue but to no avail. Ubuntu will not recognize that I have a VGA monitor connected to the laptop. I ...
5
votes
2answers
8k views

How do I reset my display settings from the command line?

I'm running 12.10 on a dell e5400 laptop and I used xrandr to get the dual monitors working that I connect through a laptop dock. I used xrandr again to switch back to the laptop display when I ...
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
2answers
973 views

How do I remove the Nautilus top bar on a second screen?

Is there any way to remove it without losing icons on the desktop?
5
votes
3answers
581 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
8k 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
945 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
10k views

Dock with dual external DVI monitors with Intel + Nvidia Optimus?

I have a Dell Latitude E6420 laptop plugged into a docking station, and the dock has 2 monitors (connected with DVI). Also note that I've installed Ubuntu alongside (dual-boot) Windows 7. I can't ...
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 ...