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

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162
votes
11answers
43k views

How do I disable mouse magnet on middle edge with multi monitors?

I use Ubuntu 12.04 on a two screen setup. Multiscreen on 12.04 has generally become much better, but there is one thing that really gets on my nerves: there's a mouse magnet of sorts on the middle ...
67
votes
6answers
42k views

How can I remove duplicate second Unity Launcher on a Dual Screen setup?

See attached image. On my dual screen display I have a Unity Launcher on the left hand screen and also on the right hand screen. Both work perfectly fine. I don't want two Unity Launchers. Every time ...
63
votes
6answers
68k views

How do I setup dual monitors in Xfce?

I've got an laptop with a intel chip, and I'd like to setup dual monitors in Xfce. How do I do this?
37
votes
4answers
19k views

Multiple monitors, multiple workspaces?

I connected my laptop to my LCD. Using the laptop display hotkey I can switch between different modes - only laptop monitor on, only LCD monitor on, both on and display the same view, both on and the ...
35
votes
4answers
14k views

How does Unity work in multi-monitor configurations?

Unity in 10.10 appeared to be focused around single monitor configurations with a single tasking workflow. This works quite well on a netbook which has limited screen real estate. How does the ...
30
votes
2answers
12k views

Quickly place a window to another screen using only the keyboard

I know that using Alt-F7, I can use the keyboard to move the window around. I can also use the "Grid" plugin of Compiz to position quickly the window around my current monitor. The grid plugin doesn't ...
26
votes
6answers
30k views

How to tell Xubuntu not to clone but to expand the laptop display to the external one?

I went to the Settingsmanager and selected Display. The external display was listed there. So I selected Use this output (see Screenshot) and after hitting apply the notebook screen was cloned to the ...
25
votes
8answers
36k views

How to make YouTube fullscreen actually fullscreen?

Whenever (using flash) I make YouTube videos fullscreen then they come out not actually any bigger. In the screenshot below you see exactly what I see when watching a video in fullscreen mode. All ...
21
votes
1answer
16k views

The selected configuration for displays could not be applied

Just installed 11.10 64bit and followed this guide to install the latest drivers for my Radeon HD 4870. I have a 24" and a 17" side by side. The larger screen is turned on by default, but the smaller ...
20
votes
10answers
12k views

How to select in what monitor youtube fullscreens?

I have a dual monitor set-up. When I'm at YouTube, and I click the fullscreen-icon, the fullscreen automatically goes to the second window. How do I get it to go fullscreen on my main monitor?
19
votes
3answers
4k views

notify-osd and dual monitors

I use Ubuntu 10.10 on a laptop, with an external monitor, which is used as the primary. Notify-osd alerts show on the connected monitor, as I want. However, some days ago I removed both gnome panels ...
18
votes
6answers
19k views

How do you use an android tablet as a second display?

I've noticed people using a product for Windows and Mac called iDisplay which lets you use your Android or iPad as a secondary display. This seems like a great idea, and something that could be done ...
18
votes
1answer
6k views

How do I get three monitors working?

My workstation has two Geforce 7300GTs and three monitors, and I'd like to put them to good use. Dual monitors works out of the box, but triple doesn't. How can I get the third monitor up and going ...
17
votes
4answers
25k views

Multi screen problems “virtual size does not fit available size”

I recently upgraded to 11.04 beta 2 and everything works just like clockwork, but now I’ve run into multi screen issues :/ at first it worked but then a installed the proprietary drivers (I think this ...
16
votes
9answers
17k views

System Monitoring Tools For Ubuntu

I am looking for System Monitoring tools which are GUI and Cli or Web Based which include Basic Functions such as CPU Usage Ram Usage Swap Usage Disk Usage ( Space / I/O ) Heat Monitoring I know ...
16
votes
1answer
8k views

Send or Move a window from one monitor to another with a shortcut key under Ubuntu 12.04 and nvidia 8600 GT without proprietary nvidia drivers

I would like to know how to send or move a window from one monitor to another with a shortcut key under Ubuntu 12.04 and nvidia 8600 GT without proprietary nvidia drivers. Now, I know I can configure ...
15
votes
2answers
36k views

How can I set up dual monitor display with ATI driver?

I have 11.10 running on a system76 laptop. without the proprietary driver i was able to set up a second monitor (samsung 19") with extended display. when i activate the proprietary driver, the only ...
15
votes
3answers
4k views

Dual monitor alignment on Ubuntu 12.04

I'm running Ubuntu 12.04 on a laptop on a docking station with dual monitors (both of them external) set up as shown below (where monitor 1 is primary, and where monitor 2 has been rotated 90 ...
15
votes
2answers
652 views

How can I put the Launcher on the other display?

When I plug an external monitor into my laptop, the laptop screen is still considered my primary display. Since my laptop is on the right of my external monitor, I now have the Launcher sort of "in ...
15
votes
3answers
4k views

How to set default xrandr settings?

I'm trying to enable dual monitors in Ubuntu. This is working fine, but every time I do it, desktop effects is disabled. I think I've found the reason why, though: ...
15
votes
1answer
5k views

Can I set up 2 monitors to be 2 separate Gnome virtual desktops instead of one big?

If I plug an external CRT to my laptop, it normally either displays the same picture as the laptop's panel, or extends the desktop area. But I'd like it to be a separate virtual desktop (a workspace, ...
13
votes
8answers
15k views

Dual monitor applications opening on wrong monitor

I am new to ubuntu, been using it for about a month now. I created this desktop for myth tv, and so i use a dual monitor configuration(one monitor for watching shows, and one for everything else). But ...
13
votes
5answers
20k views

How do I get HDMI output working on a Dell XPS 15 L502x?

Recently I've bought my dream's notebook, a Dell XPS 15 but since then this dream became a kind of endless nightmare. I'm almost getting crazy to make my graphic card driver work properly, but it ...
12
votes
3answers
6k views

How can I make notifications appear on a specific monitor?

In my Ubuntu 12.04, I have two monitors: left is the laptop and the right one is an external and big monitor. My vision is generally focused on the laptop monitor, but the notifications appears in the ...
12
votes
2answers
5k views

.xsession. .xinitrc, xmonad, and lightdm

Let me preface my question with the following: I am pretty sure that I can hack together a solution by modifying /usr/share/xsessions/somesessionfile.desktop and make it run /etc/X11/Xsession, and get ...
12
votes
2answers
2k views

How to maximise a window across two monitors?

It's easy to maximise windows on a single monitor (press the maximise button, or drag the window titlebar to the top of the screen). How can I maximise a window so that it takes up two screens?
12
votes
2answers
5k views

How to get Ubuntu guest VM to recognize second VirtualBox monitor?

Now that VirtualBox supports multiple monitors for guests, I decided to try it out with Ubuntu 11.04 Alpha3 (i386) as a guest. Unfortunately, the second screen stays black and I can't even get xrandr ...
12
votes
3answers
5k views

How do I perform easy switching to external monitor

I am currently changing between my laptop and my external monitor with the NVidia X Server Settings program and I'm sure I'm doing it in a really dumb way: I currently select the external monitor, ...
11
votes
3answers
24k views

Nvidia dual monitor configuration gets lost every time I reboot

I've recently updated (well, borked then completely reinstalled) to 12.04. I'm running a dual monitor setup, with a Dell U2410 / Dell 2007WFP combination on an HP Elite Book 8560W. The graphics card ...
11
votes
2answers
6k views

Is there a Unity / Compiz shortcut key to move a window to your other monitor (not workspace)? [duplicate]

Possible Duplicate: Quickly place a window to another screen using only the keyboard Sort of like CTRL+ALT+SHIFT+Arrow but only to my other monitor, not to a completely separate workspace.
11
votes
2answers
963 views

Dual monitors with one above the other?

I'm using Gnome 3 and proprietary Nvidia drivers. I have tried to set in nvidia-settings my external monitor to be "above" my main one (it's a laptop). However, when I try to drag a window up from the ...
10
votes
6answers
16k views

How do I set up a second display via DVI/viewport with a Lenovo T420S?

My Lenovo T420S has a discrete graphic card with nvidia optimus technology. What I'm basically trying to achieve is the following: use a second display - connected via DVI/viewport - at work (VGA is ...
10
votes
2answers
269 views

Auto switch workspaces

I have several monitoring applications that we would like to project using a projector in the IT area of our office. One of the apps is a Java application (so auto switching tabs in a browser will ...
10
votes
9answers
20k views

Dual Monitor in 12.04 - Sort of works

Not an error, per se, more of an observation. Since upgrading to 12.04, I have found and solved some interesting problems. Given my complete lack of Ubuntu knowledge, this has indeed made me feel more ...
10
votes
5answers
2k views

Why are my file selection dialogs so big? How do I make them smaller?

When I use an external monitor, my file selection dialog boxes seem to be huge -- wider than my larger screen. I assume it is a nautilus issue since it happens whether I'm trying to open a file to ...
10
votes
2answers
3k views

Extend Desktop to Monitor over LAN

I want to make use of an old laptop by extending my the desktop from my main PC onto the monitor of this other, old laptop over a LAN connection. I've looked into Xdmx/dmx, but the project seems to ...
10
votes
1answer
1k views

Dual screens with one workspace on each?

I have a dual screen, compiz-fusion and i don't have a NVDIA/ATI graphic card and i use ubuntu 10.10. i currently use the two monitors: the desktop is stretched across monitors and i can drag an ...
10
votes
1answer
659 views

How should I handle multiple monitors when I regularly connect and disconnect different monitors and projectors

I'm moving from a macbook pro (with MacOSX) to a lenovo T430 running ubuntu 12.10. I use the laptop for work, and work from home regularly. I have an external 30" monitor at home, an external 23" ...
10
votes
2answers
1k views

Erratic display behaviour on 12.04 using an Asus Zenbook

When I first plugged in my 23 inch monitor through the mini-VGA port, everything worked...both display were detected, and worked. On the second or third plug in, the internal display would turn off, ...
9
votes
6answers
7k views

Will running dual monitors have any significant impact on system speed?

Will setting up dual monitors on a decent-but-not-too-powerful machine significantly slow down my system? For specifics to my system, this is a 2GHz Intel Dual-core laptop with 4GB RAM and a decent ...
9
votes
5answers
5k views

How can I toggle between single and dual monitor setup?

I have two monitors working just right with nvidia driver. There are times, however, where I want to have just one monitor and other times where I need two: I must open NVidia XServer Settings, go to ...
9
votes
1answer
8k views

Unity on Both Screens with Dual Monitors [duplicate]

Possible Duplicate: Remove Duplicate Second Unity Launcher on Dual Screen After going to 12.04 the unity launcher now appears on both of my screens. I have screens configured as one large ...
9
votes
2answers
7k views

How to automatically switch monitors with my laptop dock

I have a Dell Precision M4300 with a Dell Dock PRO1X running Ubuntu Natty. When I have the laptop docked the lcd display is off and I use two external monitors however when I undock the laptop it ...
9
votes
2answers
3k views

How can I make gnome-shell treat both monitors in the same way?

Gnome-shell seems to like to leave one monitor as "fixed" when you switch workspaces. Additionally, there is no preview in the Activities view of my secondary monitor. Also, on the second monitor, ...
9
votes
3answers
5k views

Open new windows on main screen in KDE two-screen setup

I am using KDE (with Kwin) on two screens. Often when I run a new application the new window shows on the second screen eventhough the mouse as well as the active window is on the main screen. How can ...
9
votes
2answers
348 views

Is there a dynamic-multiple-monitor friendly desktop environment available for Ubuntu?

I use a laptop and like to migrate during the day from one (physical) workplace to another and connect to an external monitor if available. I also must multitask a lot, so I have a lot of windows ...
9
votes
2answers
2k views

How can I have xfce automatically adjust to changing available outputs?

In xfce, I can run Settings -> Display to change my preferred output monitor. What I haven't found an option for is to have it automatically adjust to a change in available outputs. For example, if ...
9
votes
2answers
3k views

How to play full screen video on second monitor?

I have two identical monitors, and when playing a full screen video on one of them using the default player or VLC and then working on the other monitor - the top bar and the launcher appear above the ...
9
votes
3answers
640 views

Problem forcing GNOME Terminal to stretch across multiple monitors

I am running vim in gnome-terminal, and ideally I would like to have fullscreen mode stretch across both monitors, not just one. Is there any way to do this? If I disable CCSM > Grid then I can ...
9
votes
5answers
15k views

How can I extend the desktop onto an external monitor/projector?

I've plugged in a projector into my laptop and I'm attempting to extend the desktop onto it (so that I can run a full screen app on the projector and have the controls on my laptop). I'm able to ...