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

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8
votes
4answers
7k 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?
8
votes
1answer
6k views

Xorg.conf (nvidia) Second Monitor getting settings of first

I've been spending the weekend (and some time before that) trying to set up my Korean QHD270 and Benq G2222HDL monitors with Ubuntu 13.10. With the nouveau drivers install both monitor function ...
8
votes
2answers
362 views

How to provide second monitors resolution to application?

I have a dual monitor setup, with the basic TwinView settings from my Nvidia-card (550 Ti). One monitor is my primary display (1600x900) and the other is my TV (1920*1080). I have arranged XBMC to ...
8
votes
2answers
3k views

How do I remove top panel on dual screen on secondary monitor?

How do I remove top bar on secondary monitor??
7
votes
1answer
986 views

Can OO Presentation go full-screen to the secondary monitor?

I have two screens set up on my desktop, the second is a projector. For obvious reasons I would like to have the secondary screen ( projector) display the full-screen view of OO Presentation. I am ...
7
votes
4answers
9k 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 ...
7
votes
2answers
28k views

Ubuntu + kde-standard + dual monitor

After couple of years, I decided to return to Ubuntu, from Debian (sid). I used to work with KDE, so I installed Ubuntu 13.04 and "kde-standard" on my laptop. SHORT: "Display configuration" is not ...
7
votes
3answers
25k 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, ...
7
votes
1answer
2k 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. ...
7
votes
2answers
3k views

xgamma -display parameter for dual monitor setup

I want to change gamma for my first monitor. Every time I invoke xgamma with different -display parameters it somehow points to my second monitor. But I want to modify first one. I tried these ...
7
votes
2answers
3k views

windows maximize in the wrong display

I use dual display with Ubuntu 12.04. Display 1: Thinkpad T420s. Intel HD3000 Display 2: HP 1955. Whenever I want to maximize the windows (say a Chrome browser) in display 1, it automatically ...
7
votes
2answers
3k views

Disabling monitor reconfiguration when closing lid

I often need to move my laptop from one working place to another. When I do this, there are two events Ubuntu responds to by changing the monitor set up: Removing/attaching the VGA cable Closing/...
7
votes
5answers
5k views

Screen turns black when plugging in a second monitor

I'm running 11.04 on a 2011 13" mackbook pro (intel hd 3000 gpu). Previously everything had been fine, but today when I plug in an external monitor (17" Acer being plugged in via a mini display port ...
7
votes
5answers
17k views

Ubuntu desktop slightly too big on HDMI TV

When I connect my Panasonic Viera TV (720p) via HDMI to my notebook the desktop is cut on the TV. I tried different resolutions but no matter which it's always cut on each side... I had the same ...
7
votes
2answers
2k 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 ...
7
votes
3answers
2k views

How to run game on one monitor and have programs on other monitor still visible?

How can i make programs on second monitor still visible while playing game (Wolfenstein: Enemy Territory)? I know that i can use windowed mode, but playing in windowed kinda feels different, like ...
7
votes
2answers
21k 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 ...
7
votes
2answers
9k 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 ...
7
votes
3answers
9k 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 (...
7
votes
1answer
247 views

Is there a way to move the unity launcher 'show' edge on multiple monitor setup?

I'm in a situation where my primary monitor is on my right and that is the screen with the Unity launcher. When I fullscreen an app, the edge that actually tiggers the launcher to reappear is on my ...
7
votes
2answers
208 views

Cannot login after suspend with multiple monitors

Since I attached an external monitor to my laptop I'm no longer able to login when resuming from suspend. LightDM appears on both screens and shows my name in the login box, but the password field is ...
7
votes
2answers
910 views

How can I launch apps on the screen that the mouse cursor is on?

I have two screens connected to my computer. I want applications to start on the screen my mouse cursor is on. How can I set this?
7
votes
2answers
3k views

Is it possible to setup auto-detection of HDMI?

Right now when I plug my HDTV into my laptop's HDMI input I have to run 'xrandr' for it to recognize the display and then manually switch the audio hardware selection. Is there a way that Ubuntu ...
7
votes
2answers
3k views

How to make the most of dual monitors?

I've recently acquired a second screen for my laptop. The external one is, of course, way bigger than the integrated one. So I've been wondering, how do you guys set up your Ubuntu for two monitors? ...
7
votes
2answers
3k views

unity slow with dual-monitor

With single-screen, Unity is fast in opening apps, switching between opened apps, etc. When I use dual-monitor then i see considerable drop in performance in the above mentioned areas. Overall system ...
7
votes
1answer
6k 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 ...
7
votes
1answer
4k 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 ...
7
votes
1answer
7k 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) ...
7
votes
1answer
1k views

Xinerama = 1 loses theme [closed]

I am testing out 12.04 and am using Xinerama = 1 in xorg.conf. When I do this, everything seems to work, except that some applications end up with strange looking buttons. Please see this image: ...
7
votes
4answers
596 views

Is there anyway I can stop the panel from showing up when I switch focus to a different application?

I have a dual monitor setup going. I want to play a video (using SMplayer) on the second screen while using applications on the first screen. I have it working except for one annoying thing. When ever ...
7
votes
1answer
457 views

Ubuntu support for 5K (Dell UP2715K): adjusting details

I've recently purchased a Dell UP2715K which has a resolution of 5120x2880 and have installed ubuntu 15.10 to go with it. The UP2715K is connected to a GeForce 960 GTX (2 displayport cables since 1 ...
7
votes
2answers
7k views

nvidia-settings makes one of my dual monitors grey and useless, disables network

I'm running Ubuntu 12.04 64-bit, Precise Pangolin, with a PNY GTS 250 1GB video card and a monitor plugged into each of the DVI ports. I'm using the proprietary drivers (post-release updates). If I ...
7
votes
1answer
663 views

How can I prevent an app from leaving full screen mode when I move the cursor to another display?

When I have dual displays set up, or when I am using Synergy to use one keyboard and mouse across two computers/screens, I can't seem to retain F11 full screen mode for the top application when I ...
6
votes
6answers
17k 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 ...
6
votes
2answers
18k views

How do I know if I will be able to daisy-chain monitors? (connect two monitors to 1 DisplayPort)

I am planning to use Surface Pro 2 with a dock station as my main computer and I would like to connect two external monitors to it, but the dock station only contains a single DisplayPort socket. ...
6
votes
2answers
1k views

How to easily open the Launcher with a secondary monitor to the left

I have two monitors (24" as main and a 19" to the left). Each time I want to swap to a different application or launch a new one, the launcher seems a little problematic to come up. Even though ...
6
votes
5answers
11k 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 ...
6
votes
2answers
5k views

Ubuntu Detects 2 monitors when I only have one

Ubuntu Detects 2 monitors when I only have 1. This causes an issue when booting up because it's detecting 2 monitors and by default it is mirroring the display; which is causing a distorted picture ...
6
votes
4answers
18k 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 ...
6
votes
2answers
6k views

How do you run XBMC on nvidia dual screen and stop it from taking over the keyboard and mouse?

I have set up dual screen under Ubuntu 12.04. I have a GeForce 8500 GT and have used the nVidia control panel to set up dual screen in "Separate screen mode". Here's the resulting xorg.conf: # nvidia-...
6
votes
4answers
10k views

The desktop cannot be created because its area is too large with ati card and dual monitors

I have two monitors (1920x1200 and 2550x1600) and ati card (hd 4870x2). I installed the ati drivers from additional drivers panel. Unfortunately ulike in previous versions of ubuntu I am unable to set ...
6
votes
1answer
3k views

ATI Catalyst doesn't retain changes after reboot when setting extended display

I have Ubuntu 11.10 and I'm trying to set up extended display for my two displays. I have an AMD 6870. fglrx and fglrx-updates are installed. When I launch amdcccle trough the terminal (using sudo),...
6
votes
2answers
11k views

Is there an RDP client that can work with a dual monitor setup?

I have a Windows Hyper-V Server setup. On the Hyper-V Server we have Windows 7 Pro 32 Bit installed. On Ubuntu it comes with Remmina RDP client by default. I like the default RDP client, however I ...
6
votes
1answer
5k views

dual view monitors for one desktop on ati

How do i get dual view (two monitors with Full-HD-resolution) for one desktop on unity with an ati card on ubuntu 11.10? on 11.04 all worked fine. Now i have the problem, that after customizing on "...
6
votes
4answers
7k 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
2answers
1k 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 ...
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: http://www.ebuyer.com/238428-...
6
votes
2answers
12k views

Multi Monitor Issues after fresh install of Ubuntu 14.04

I just performed a fresh install of Ubuntu 14.04. I have 3 Nvidia Quadro Cards powering three monitors. I used nvidia-settings to enable the three monitors: *NOTE: The forum will not let me post the ...
6
votes
1answer
574 views

Libreoffice Presenter Console in single window

I want to see what Presenter Console looks like while I design my slide-notes in Libreoffice Impress for my talks. I'm working on a single-monitor system but Presenter Console can only be enabled (...
6
votes
2answers
9k views

Run a wine application fullscreen on a single monitor from dual-monitor setup

I have a dual-monitor system, running Ubuntu 12.10 with Gnome 3 desktop. I want to run a fullscreen wine application on one monitor (I'll call it "secondary"), while another ("primary") will not be ...