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

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Cannot use --transform nor --scale to fix overscan of TV HDMI on laptop

My TV doesn't have an option to fix the over-scan. Using windows I can fix it by setting the Intel's Screen config to shrink until I fit the display into screen, so theoretically it must be possible ...
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25 views

No Display in Second Screen After Suspend

I use Nvidia 770 for a 14.04 installation to connect an HDMI TV as my main display and a VGA monitor (with a DVI bridge) as a second extended display. Every time I put the system in suspend mode and ...
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0answers
84 views

How to set proper resolution for second monitor

I have two monitors Acer K242HL but I am unable to set the second monitor (VGA) to the native resolution 1920x1080. This resolution doesn't appear in the Settings > Display menu and the monitor is ...
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1answer
49 views

Display problem on second monitor

The desktop and every window is like 1" off the screen on every side of it, windows controls, menus, desktop panels are all outside the screen. I tried xrandr but i was only able to make it worse. ...
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1answer
76 views

Set “default” monitor

I would like to be able to set my "default" monitor to be my external 25' monitor instead of my laptop one when I have my external monitor connected. Many applications always open on the laptops ...
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226 views

Best solution to connect 3 external monitors to Dell XPS 15 9550

I am searching the web for a while and am confused. Hope you will help me in choosing the right solution. I want to connect 3 external monitors (possible Dell E2216H) and am searching for the best ...
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0answers
12 views

Terminal laggy with external monitor

I am using the default terminal app on Ubuntu 14.04 (gnome-terminal). When I do not have an external monitor plugged in, I notice no issues. When I do have an external monitor plugged in via HDMI, ...
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83 views

Ubuntu 14.04 x64, PNY Nvidia GT730 (nvidia 340.96), dual monitor (DVI + VGA), VGA not detected

Fresh Ubuntu 14.04 64 bit install on desktop machine (dual boot with windows 7/64.) Video display adapter is PNY NVIDIA GT730 (PCI express). NVIDIA driver version is 340.96. NV-CONTROL version is 1....
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62 views

Second monitor is detected but doesn't work [ubuntu 15.10]

I just installed ubuntu 15.10 on a HP EliteDesk and one of the monitors doesn't work correctly. Displays recognize both monitors (Hp Z27n and Hp ProDisplay P201) but only the Hp Z27n is working. ...
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1answer
51 views

Multi-monitor: one or the other monitor goes black

I have two monitors hooked to a GTX-960. One is connected via DVI and the other via DP. This is a System76 Leopard Extreme desktop. I'm using the proprietary Nvidia "tested" drivers. Ubuntu 14.04 LTS. ...
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63 views

Ubuntu 14.04 Suddenly stopped detecting HDMI monitor (Integrated graphics)

I usually have my laptop connected to a second monitor via HDMI, and for the past few months that has never been an issue. I'm using a Dell Inspiron 15R with Intel i7 and no dedicated graphics. ...
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73 views

Ubuntu 15.10, nvidia GTX760M

I'm using an ASUS ROG laptop with a screen resolution of 1920x1080 and for most of the time it works ok, small glitches barely visible. Recently I've bough a 4K monitor and I use it through the HDMI ...
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0answers
285 views

Dual Thunderbolt Monitors [closed]

I have 16.04 (with kernel 4.4.0-15-generic) running on a MacBook Pro (MacBookPro12,1) and two 27-inch Apple Thunderbolt Displays. The MacBook has two thunderbolt ports. The same issue happened in 15....
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46 views

Graphics issue - Screen starts blinking, flickering and screen distortion

I have installed Ubuntu 14.04.1 LTS on my machine. On start it doesn't have Wifi Options which i sorted out after asking question here. Now am facing an issues again, which is blinking, flickering and ...
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25 views

Ubuntu 12.04 issues with Nvidia Driver

I'm running 12.04 on a Dell laptop, and I'm connected to an external Dell monitor. Graphics: $ lspci -nnk | grep VGA -A1 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation G86M [...
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0answers
58 views

Multi-screen display

I have a Dell XPS L502x running Ubuntu 14.04.1 and nvidia GT504m. Im trying to connect 2 monitors to the laptop, one via the hdmi connection and the other using the mini-display port. Connecting a ...
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1answer
82 views

Activate display via console tty?

I have a custom xrandr script which enables my external monitors and disables my laptop's monitor. When I disconnect my external monitor, I can't enable the monitor because my screen is blank. I'd ...
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1answer
51 views

nVidia prime: external monitor only recognizes 4:3 aspect ratios

I'm running 14.04 on my laptop with dual graphic cards. (Geforce 610m + integrated Intel) Previously everything worked fine, but the other day I unplugged the external monitor and since I plugged it ...
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0answers
21 views

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
43 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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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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30 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
107 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
62 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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104 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 4.2.0-16-generic(...
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1answer
12 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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40 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 primary",...
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1answer
147 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 ...
0
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1answer
216 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 ...
3
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1answer
55 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 ...
0
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1answer
86 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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23 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
78 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
21 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
31 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 ...
0
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1answer
5k 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, ...
3
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1answer
86 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
108 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
17 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 ...
1
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1answer
38 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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0answers
40 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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23 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 unplugged....
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0answers
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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0answers
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
68 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
50 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
76 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 ...
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2answers
72 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
15 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
23 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 ...