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

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2nd monitor connected to VGA1 went blank!

I have been able to work for the last 3 weeks with two monitors on a Xubuntu 14.04.01 without a problem. All the monitors have been detected nicely and everything run smoothly. One of the monitors is ...
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0answers
12 views

Anyone know of a dual monitor docking station that works with Ubuntu 14.04 (Dell XPS 12 Haswell i7) [on hold]

I'm looking for a dual monitor docking station (or USB 3 hub + displayport adaptor?) that will work with Ubuntu 14.04 on a Dell XPS 12. I gather DisplayLink still don't support Linux, so might have to ...
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0answers
11 views

Application launches but no longer appears on monitor (only visible in ALT-TAB menu)

I had a dual monitor setup up until recently. After booting back up with just one monitor, one (at least) of my applications launches but doesn't show on the monitor I'm actually using. When I ALT+TAB ...
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2answers
60 views

xorg.conf for two monitors, single ati graphics card

There are many iterations of this question, few with actual working answers, so after a few hours of trying to get it working on my machine, I will post my solution. How do I configure my Ubuntu ...
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0answers
14 views

Desktop Background Folder won't save with existing setting

I'm having a problem with Settings Manager -> Desktop -> Backgrounds. I originally set Folder to Backgrounds Hiking for each of two monitors (in a 4 workspace configuration and Apply to all ...
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0answers
33 views

Workspace stays fixed on external monitor, Ubuntu 14.04

My laptop is connected to two external monitors. When I switch workspaces, only the main monitor will switch, and the second monitor will stay fixed. Since I want to switch between several task, each ...
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0answers
19 views

Multi monitor remote desktop to Ubuntu

Is there some way or remote desktop solution (paid OR free) that I can use to remote from one Linux PC to another with multi-monitor support? In other words, Computer A and Computer B both run ...
1
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0answers
47 views

Second screen not disconnecting (HDMI)

I have an HP Pavilion TouchSmart laptop running Ubuntu 14.04.1 I usually connect a second display via HDMI which worked fine until today. I can connect the display fine and everything ...
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0answers
17 views

AMD Radeon can not handle multiple monitors on a Dell Inspiron laptop

My dual display will not work properly. The screen flickers and displays half in primary and half in secondary monitor. My laptop is Dell Inspiron 7520 with dual video card: AMD Radeon HD 7730M and ...
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0answers
36 views

Increase virtual screen size past 4096 x 4096 on Ubuntu 14.04 LTS

I have two 27" monitors with a 2560 x 1920 resolution each. When I try to extend my desktop across them both I get the below error: So, if I need to increase the maximum virtual screen size? To ...
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0answers
99 views

Master the dual screen in Ubuntu

My setup is a laptop connected to an external screen I have just bought, so that I have now a built-in 14" display (1600*900) and an extra 24" display at 1920*1200. I intend to be more productive ...
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1answer
73 views

Dual Monitor Setup, One Monitor has Double Width and scrolls into other monitor

I've looked around and cannot find this issue anywhere... So I have a two-monitor setup on my Ubunutu 14.04 desktop. I had just solved a strange mouse issue by switching to Proprietary NVIDIA drivers ...
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0answers
22 views

OpenOffice Impress Presentation not showing

I have the following setup: A laptop and a second screen that is connected to the laptop via VGA or HDMI. When I press F5 in OpenOffice Impress, the Presenter Console is shown correctly on my laptop's ...
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1answer
119 views

nvidia-331 +Nvidia Optimus (K2000M, Lenovo W530) + Ubuntu 14.04 + external display on VGA not recognized

Currently I have nvidia-331 installed. But the same problem appeared also with nvidia-343: If integrated graphics is set in bios: everything works fine. (except the VGA port, obviously) If nvidia ...
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0answers
50 views

lubuntu on laptop and external monitor not detected

I have an old asus L3500H laptop with sis740 video chipset and lubuntu 14.04.1 with kernel 3.13.0-36-generic. I've connected an external 22" 16:9 monitor, but it's not detected. At the moment I get a ...
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1answer
64 views

Ubuntu 14.04 - HDMI connection causes horizontal split

Running Ubuntu 14.04 on a Lenovo Edge 535 laptop. When I connect my HDMI cable in order to connect the laptop to the TV the screen splits horizontally and the OS becomes unresponsive. Screenshot: ...
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0answers
31 views

Ubuntu 14.04 Multiple Display Intel Gen 3

I'm a newbie at this and I am messing around with dual booting into Ubuntu 14.04. I'm trying to get my monitors to be recognised by Ubuntu but I have been unsuccessful... Screen 0: minimum 320 x 200, ...
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0answers
58 views

How to change default monitor

I have an Asus laptop with intergrated intel graphics and a nvidia GEFORCE GTX 760m. Im using the intergrated monitor aswell as a monitor hooked up with HDMI. They're both working fine i just can't ...
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0answers
33 views

Extending desktop to external monitor only uses part of the monitor

I have been trying to solve this for a few days but I can't figure it out. I have a Toshiba laptop with an AMD integrated processor. Things work fine except when an external monitor is plugged in. ...
2
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0answers
75 views

xdmx multimonitor setup

I'm trying to use my laptop's monitor to setup a multimonitor display with my desktop (both running ubuntu 14.04). Based on setup guides i've googled, I'm doing the following from my desktop: sudo ...
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0answers
22 views

Permanently Disable external Graphics Card (usb)

I've got this cooling pad with USB-hub, LAN-Port, Audio and a VGA-Port. It's all connected to the computer via USB. So I guess it's basically an external Graphics-Card for the VGA. Long: It didn't ...
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0answers
133 views

Ubuntu 14.04 Second Monitor Not Detected through DVI, but detected through VGA cable

I used to connect a 24" monitor to my laptop, equipped with GeForce410M, through HDMI cable. It sometimes had problems with detecting the monitor, but after a restart it managed to detect. Today the ...
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1answer
21 views

external monitor issue, when maximizing the screen opens on the laptop

i have a fujitsu siemens with ubuntu 14.04 on it, the external screen is a lg 32''. my problem is that when i use the external screen and try to maximize the player to turn on full screen mode, the ...
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2answers
212 views

How to fix multi-display after upgrade? (Ubuntu Gnome 14.04, Nvidia Optimus)

I did a dist-upgrade today and after rebooting it would not load any GUI (tried lightdm and gdm), just stuck at the blinking underscore cursor. I noticed the driver had changed to Nvidia 343 so I ...
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1answer
121 views

Dual monitor setup

I am having a lot of trouble getting Ubuntu to work with my monitor. It works fine on Windows, so I know it is not a cable or monitor issue. I have both a DisplayPort output and VGA, so I prefer to ...
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0answers
255 views

Multiple Monitor Support on nvidia prime gt620

I've got a "funny" issue. I've hooked my Zenbook UX32VD up to an Asus USB Dockingstation, and through that I've connected a 22" Dell monitor. The monitor works when I use the built-in Intel ...
0
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1answer
44 views

How to get different text scaling for different displays?

I have a laptop with a fairly high resolution on a small display (14"). My external monitor 27" has a lower resolution than the laptop display. I would like for the text to be similar size on both ...
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0answers
39 views

Laptop detecting VGA port which isn't there. How to disable it? Ubuntu 14.04

Is there a way to disable the VGA port permanently, for all users? My Dell Inspiron 15 (3135) laptop has no VGA port, but System Settings> Screen Display shows the built-in display and a second ...
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0answers
17 views

Extending Screen Makes Mouse Jumpy

When I extend my display(not when mirrored) my mouse pointer becomes very jumpy to the point that it is unusable without decreasing the mouse speed.
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0answers
43 views

How do I fix weird behaviour after swapping monitor locations in Unity using a Nvidia card?

When setting up a secondary monitor, something strange happens when I change the location of my secondary monitor to the other side (the left side) of my main monitor. When a window gets maximized on ...
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0answers
83 views

Unable to make double screen configuration work

I am having problems with my video setup. I have a laptop (ubuntu 14.4) with a Nvidia Geforce GT-420M and a screen with 1366x768 resolution and I often connect to it a 22'' full hd monitor. As long as ...
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0answers
22 views

Telling X to treat one screen as 2

I have a very large screen, which I'd like X to treat as 2 screens. That is, allow me to "maximize" a window to fill just one half, or to move a window to the other half. How can I do this?
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63 views

Setting a dual monitor headless X Server for VNC

I would like to run Linux headless over VNC. This is easy. However, I would like to use dual monitors. My goals: Support each monitor at its native resolution (2560x1920, 1600x1080) My VNC client ...
2
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0answers
42 views

External monitor works, but laptop shows purple screen

When I boot my laptop, I hear the login drum sound, but the screen remains on the purple startup screen with the ubuntu logo and the orange dots. If I plug in an external monitor, it works fine, but ...
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0answers
63 views

Ubuntu 14.04 DIsplay Problem

I'm running ubuntu 14.04 on a Thinkpad T530 machine with nvidia NVS 5400M graphics. When I boot to ubuntu, I always stuck at the dark purple screen with 'ubuntu' at the center and five red dots under ...
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0answers
37 views

Setting up external monitors manually

https://wiki.ubuntu.com/X/Config/HybridGraphics In this link, it explains how to deal with Hybrid Graphics (an issue with Ubuntu when one has an hybrid graphic card system, which on Windows for ...
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0answers
257 views

Dual monitor setup, why does NVidia 340 Prime only detect one monitor?

I'm using: Alienware M14xR2 laptop running Ubuntu 14.04 2 * DELL U2412M monitors attached via HDMI and Mini Display Port Optimus graphics (Intel + nVidia GeForce GT 650M) running with nvidea-340 and ...
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0answers
35 views

Ubuntu 14.04 installation went wrong: wrong monitor

I have recently installed the 14.04 version of Ubuntu on my laptop, which previously had the 12.04 version. Everything went fine and I was happy with the update. However, something went wrong: when ...
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0answers
49 views

Unknown resolution on ubuntu 14.04 after software update

i have been using ubuntu 14.04 since its launch without any problem whatsoever but since yesterday when i started my system, i was horrified to see my screen resolution changed to 1024x768 from ...
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0answers
56 views

Two monitor setup, icons / programs default to left screen all the time

I have dual monitor setup with my right monitor being my primary one. When I run a program or create an icon it always appears on the left monitor instead of the right one, even though the right ...
0
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0answers
49 views

How to use multiple Xscreen?

I have a setup with 2 different NVidia cards and 3 monitors. I was using Xinerama to unite them all under the same desktop, but some random crashes and lots of googling lead me to believe that ...
2
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0answers
41 views

Mouse is blinking/flickering at my built in monitor with an external monitor, please help

I am using a Thinkpad W530, and due to my works, I need to use an external monitor. I am using nouveau and nvidia-prime to switch between intel and nvidia adapter. After I connected and switched on ...
0
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0answers
46 views

Second Monitor (extended desktop) flicks after upgrade to 14.04 LTS Desktop

I always connect the BenQ 22" monitor to my Samsung RV511 laptop when using Ubuntu 13.10 Desktop version and its previous ones. The monitor is connected directly to my laptop's video port, and works ...
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0answers
47 views

evga uv plus usb to vga adapter does not display output

I have a evga uv plus usb to dvi adapter. I tried to connect this to an Acer Monitor. The Monitor is recogznized by Ubunu when its connected as seen here However, when I enable the display, and ...
2
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0answers
109 views

Secondary monitor issues with Nvidia Laptop in Ubuntu 14.04

I've got a Dell XPS 15 L502x laptop, with a NVIDIA GeForce GT540M graphics card using the Optimus duel system. I've purchased an external monitor that I can connect with HDMI to act as a second ...
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0answers
46 views

Dual monitor suddenly not working

I had dual monitors working fine on this machine for years. A few days ago, I had to borrow one of the monitors for another project. When I brought it back and plugged it in, it didn't work. Ubuntu ...
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3answers
452 views

Multiple-monitors and Nvidia Optimus not working after apt-get update

Just recently (late August / early September 2014) my multiple monitor setup and Nvidia optimus is not working. I had the symptoms characterized by this bug. After setting the BIOS to graphics card: ...
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0answers
56 views

Gnome 3 and multiple monitors - parts of the screens staying black

I've got a Radeon HD 7870, and Ubuntu 14.04; it's running fine with software drivers, but I'm trying to get some acceleration running. Ideally I would get both my monitors running (both attached by ...
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0answers
122 views

Multiple monitors with Intel GMA & Radeon HD 5450

I have two monitors, first monitor is connected by D-sub to Radeon HD5450. This monitor works well. Second monitor is connected by D-sub to Intel GMA (integrated graphic on board) and system can't ...
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0answers
29 views

Gnome Ubuntu Workspace switcher

THe workspace switcher/ viewer only shows one of my screens not the other one. How do I make it show both?