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

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Tried updating graphics drivers, now I can't log in after rebooting and I cannot access the disk from my other partition

I'm pretty new to Ubuntu and Linux in general, been using it for about a month now. I just bought 2 new 2560x1440 monitors and gave away the old ones, but I've only just now used Ubuntu since the ...
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0answers
38 views

Gnome - Show all windows from all monitors

I switch from Unity to Gnome and I miss one function. In Unity when I press workspace button, shows on all monitors all workspaces. This is very useful, when one of my monitors is off. I can move all ...
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0answers
7 views

Remove left part of scrren

I have 3 monitors and using monitors.xml to config them. one of them is broken and there's like 50px on the left that I can't use. It's a problem with my monitor and I want to "remove" these pixels ...
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0answers
26 views

Can I modify xorg.conf to simulate a second monitor?

I have dual Nvidia GTX 980 video cards with a single monitor setup (running 14.04) I've been able to overclock one GPU (the one that the monitor is plugged into) by modifying /etc/x11/xorg.conf with ...
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0answers
70 views

Dual Monitors at 2560x1440 on Nvidia GTX 960

I have a PC running Ubuntu 14.04 with an NVIDIA GTX 760 / 2GB GDDR5 graphics card, which has two DVI ports, and I've been running a single 2560x1440 resolution monitor on this with no problems. I've ...
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2answers
54 views

Move window to another screen without compiz

I know how to move windows to another workspace, but I'm specifically looking for a keyboard shortcut to move a window to the other screen in a multi-monitor set, but without using compiz, since I'd ...
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0answers
90 views

Kernel for Surface book with docking station OR how do I debug

I have a surface book with dgpu dual boot Windows 10 Pro, Ubuntu 15.10 my docking station works fine with Windows, but won't work with Ubuntu. I have tried many kernels which include ...
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1answer
10 views

Strange drag effect on 3rd HP monitor

I have attached 3rd monitor on my machine, HP E231, and now the image on this monitor looks like there is a drag effect for each icon or text. The picture seems blurry. Check the file icon and see ...
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36 views

Gnome Displa settings (primary) on ubuntu 15.10

I installed gnome today to my ubuntu 15.10 and I noticed that when I try to make configurations, I cannot set my external monitor to primary display. When I try to change "External monitor to ...
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1answer
141 views

How can I mirror two monitors with 14.04 on a Dell 5570?

I've just upgraded to a Dell E5570 and am running 14.04LTS. I want to be able to attach an external monitor, but in Mirror mode. (I'm running fvwm with multiple virtual windows and I need to be ...
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1answer
169 views

How can I get my DisplayLink monitor running (again) - 15.10, Asus MB168B+

I have been installing Ubuntu on a laptop (Samsung QX410-SO2), and while there have been hurdles, my Asus DisplayLink monitor is one of the things that worked immediately after driver install. I ...
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1answer
53 views

How can I automatically switch off my internal screen on startup if an external monitor is connected?

Solution anyone for a newb? I connect my notebook to external monitor with HDMI. I switch off screen notebook since I'm not using it. Ubuntu 15.04 remembered this setting after reboot, but with 15.10 ...
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1answer
66 views

Lenovo W520 + Ubuntu 14.04 --> external monitor not working

I have the W520 from Lenovo with Ubuntu 14.04, and would like to use it with an external monitor from Dell (U2515H). I connected the monitor through the display port with the laptop. I am using the ...
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0answers
18 views

Fullscreen games cause multiple monitors to be mirrored

Whenever I make any games fullscreen, despite "mirror displays" being very explicitly UNchecked in System Settings, both of my 1600x1200 monitors become mirrored. Which is really annoying. Is there a ...
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0answers
73 views

VM Gaming via GPU Passthrough without a dedicated monitor?

I'm looking at building a computer that can virtualize two or more gaming machines at once. I'm hoping to be able to play two (or more) games at the same time, and I'm hoping to be able to display ...
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0answers
19 views

X setup creates an additional, hidden screen on startup

When I start Xubuntu it appears that X creates a hidden screen 0 before creating the actual screen 1. Screen 0 takes the focus and xfce-panel setup and screen 1 (the visible one) remains empty with ...
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0answers
27 views

PCManfm desktop stops working after configuring 2 monitors in xorg.conf

I have Lubuntu 14.04.2 on my laptop, with pretty much all the default configuration (Openbox window manager and PCManfm file manager + desktop manager). This was working fine until I decided to plug ...
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1answer
3k views

Gnome: Video drivers on Dell XPS 9550 with 4K UHD screen

This laptop has an i7 processor and a discrete Nvidia GTX 960M card. I'm trying to run Gnome Shell. Has anyone got this working really well? And if so, how? My research/trials on Ubuntu Gnome 16.04, ...
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1answer
65 views

Synaptics Touchpad pointer speed change with additional screen

When I plug in an additional screen, the sensitivity of the touchpad scales with the virtual screen dimensions, making it unusable. I can't imagine how this "feature" could be of interest to anyone, ...
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0answers
82 views

black bar when using multiple monitors using 16.04

I'm using Ubuntu 16.04 and I have a problem when using two monitor. As you can see in the screenshot, there a black bar. In the screenshot we see an horizontal black bar in the right monitor. In the ...
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0answers
15 views

Specify which monitor/screen that a browser to be launched into via awesome electron

Right now I have a web app serving multiple webpages via awesome electron. These webpages are served using the following codes: (I have multiple variables like "browser", and each is responsible for ...
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1answer
33 views

How to investigate (or even fix) the odd blank area on my screen?

Everything works, but there is an anomaly which started a few weeks ago. An area which should display part of the wallpaper is all-white instead. It is a small area, approx 0.25" tall and 3" wide, ...
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37 views

How do I move ALL windows to another monitor? (Ubuntu Gnome)

After I run Diablo 2 in Wine (Ubuntu Gnome 15.10), all my windows move to second monitor. Is there a way to move all windows back to first monitor with a shortcut key or some other fast way?
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17 views

Laptop monitor stays blank after external monitor unplugged (hot-swap issue)

Hot swapping of monitors no longer works properly. My netbook (Acer Aspire One AOD250) running Ubuntu 14.04LTS and formerly 12.04LTS does not recognise when an external monitor VGA cable is ...
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23 views

Ubuntu 15.04 set primary display [duplicate]

I've 2 display: - Laptop's = 1366x768 - External = 1280x1024 When i use both of them, the external one is on left side of my pc, i organize monitor with Ubuntu's setting, and the system move all my ...
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27 views

Dual Monitor Issue

I have connected my laptop to an external display and setup the external display to be on the right of my laptop screen. In the Display Settings, I have selected the option to have the launcher on ...
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0answers
61 views

Dual monitors using different Nvidia GPUs not working

In my machine, I have two Nvidia graphics cards. I am running Ubuntu 14.0.4.2 x64. My primary card is a GTX650, and my secondary card is an 8600GT. I would like to have dual monitors, with one ...
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0answers
44 views

Monitor connected to DisplayLink card does not work after installing AMD drivers

I'm new to Ubuntu and I'm currently on 14.04 and kernel 4.2.0.30. My Laptop is an Inspiron 3521 and has a hybrid video card setup with Intel Graphics and AMD Radeon HD 8730M. I have a dual-monitor ...
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1answer
66 views

Dual Graphic Card Setup (Integrated + Discrete) on Desktop

My current setup is as follows: AMD HD Radeon 4250 integrated GPU Nvidia GTX 460 1 GB GPU Three monitors, two running via the GTX 460 and the other running via the onboard. This setup works ...
0
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1answer
51 views

Dual DVI Monitors not Extending, Lubuntu

I have recently returned to Linux and am attempting to setup my new PC rig. I've run into issues with the way my monitors are setup. I have done a fresh install of Lubuntu (You can view the version ...
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0answers
14 views

Disable one monitor in multihead when manually powered off

I have four-head Unity system. The fourth (VGA-only) monitor is only used when standing at a treadmill desk. I'd like to enable and disable that monitor based on whether it is powered on -- ...
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0answers
20 views

Issues with Arandr with Multiple Monitors - MacBook Pro connected to Samsung Sync Master

Am running Ubuntu 14.04 LTS on Virtual Box as a Guest OS on my MacBook Pro's El Capitan OS. Have correctly installed Guest Additions and the correct drivers. Am running LXDE as the desktop UI ...
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0answers
139 views

Sharing screen through Miracast on Ubuntu?

I have one of those cheap knock-off Google Chrome sticks. It's an Anycast. I've successfully streamed to it before with Windows, but have since switched to Ubuntu. It's not a deal breaker if this ...
2
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0answers
12 views

Use only one monitor at a time? [duplicate]

How can I tell Ubuntu to automatic turn the primary screen of when I connect a secondary screen? Case: I have my primary monitor connected through a Display port, and sometimes I connect a tv through ...
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0answers
19 views

Multi monitor mode disabled after boot splash screen modification

I have a minimal Ubuntu 14.04. There is no window manager, just the xorg package. When a second monitor is plugged to my computer, the picture is mirrored. The output of xrandr -q is this: Screen 0: ...
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0answers
118 views

How to disable monitor auto configuration?

Im running Ubuntu 16.04 (dev branch), XFCE as desktop environment. My computer is connected to two monitors. One via regular VGA cable and the other is connected to a HDMI Switcher. That setup works ...
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0answers
21 views

the mouse cursur is blinking after I plugged second external screen

I plug my laptop to 2 external display monitors. When the mouse cursor is placed in the first one, everything's fine, but when I move the cursor to the second screen it starts blinking while the rest ...
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0answers
72 views

Trying to get dual monitors working 14.04 LTS & Radeon HD 4850

I have Ubuntu 14.04 LTS running on a desktop PC and recently got a second monitor. I cannot seem to make Ubuntu 'detect' that second one. I ended up here: ...
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3answers
87 views

three monitors, how do I know/specify which is the primary?

Ubuntu 15.10. I have three monitors connected to this computer, that works fine. Except...... How do I know which monitor Ubuntu considers to be the primary desktop? And, how do I control that? ...
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0answers
53 views

Can't get correct resolution on second screen in 14.04

A few months ago I did an upgrade from 12.04 to 14.04 and it generally worked, but was quite unstable. I decided to do a fresh install of 14.04. First, my display system: GeForce 9500 video card, ...
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0answers
169 views

Thinkpad X250/X260 w/ docking station w/ 2 external monitors w/ Ubuntu >= 14.04?

Has anyone already tried the set-up described in the title? Thinkpad X series >= X240 docking station Ubuntu >= 14.04 with two (high resolution) external monitors? (How) Does it work? Which ...
0
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1answer
39 views

How to mirror two external screens at a Thinkpad X1 2015?

My setup looks like this: Lenovo X1 2015 Two external screens attached Running Ubuntu 15.04 What I want: Close the laptop lid and mirror both screens, so not extending them but let them ...
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1answer
33 views

Multi-monitor window manager

I was attempting to move my mouse pointer between my monitors today, and the weirdest thing happened. A single screen window switching application appeared, which gave me an interface to move windows ...
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0answers
25 views

S-video problems on lubuntu with Dell laptop

I have a Dell Latitude D505 running lubuntu 15.10, and I am trying to mirror my screen to a TV to watch SpaceX launch the SES-9 mission later tonight. I noticed that the laptop has an S-Video output ...
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0answers
38 views

How to setting up the third monitor on the built in graphics card

I can't setup my third monitor on Ubuntu. System: Ubuntu 14.04LTS Graphics card: nvdia geforce gtx550 and the built in intel Nvidia driver: NVIDIA binary driver - version 352.63 from ...
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0answers
99 views

Ubuntu 15.10 can't detect second monitor

I'm trying to connect a monitor to my ThinkPad S440 via HDMI. When I go to display settings, no additional monitors are detected. I have Radeon HD 8670M and have changed settings in AMD Catalyst ...
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0answers
49 views

Ubuntu suspend without external monitor

Helo! Recently performed a clean install of Ubuntu 15.10, I often use an external monitor. It turns out that now when I try to start the computer without the external monitor before presenting the ...
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0answers
57 views

Dual monitors not working properly

So I've been using Windows 10 for a while with 3 monitors and I wanted to give Ubuntu a shot, because I heard a lot of positive things about it. Anyway, when I first booted up Ubuntu, all my 3 ...
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1answer
114 views

Connecting Second Monitor to Laptop via VGA Cable - Screen detected, but screen says no signal

I have a ThinkPad T60 and am running Ubuntu 15.10 (I was having this problem on 14.04, so hoped updating might fix it). My second screen is a TV monitor, but I've attempted connecting to other ...
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30 views

Losing monitor setup when logging out

I would like to keep my monitor configuration when restart/logging out of the machine. Upon logging into the machine I see the following error. I have 3 monitors, 1 laptop and 2 extended from this ...