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

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problem with dual monitor

I am using a dell laptop and I sometime connect it to an external monitor. That creates a lot of odd problems. I'm on Uubntu 14.04 with and Nvidia graphicd card (Quadro K1100M) and running the 331.113 ...
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17 views

Java applications show title-bar only with multiple monitors

I'm having an issue with Ubuntu, Java and multiple monitors. I am running Ubuntu 14.04.2 LTS. Java 1.7.0_80 (application requirement) and a laptop with a monitor hooked up via VGA. The issue is when ...
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16 views

Connect 2 external monitors to LenovoY580 at Ubuntu 14.04

I have LenovoY580 laptop with Intel HD 4000 Graphics + nvidia GEFORCE GTX 660M. I have been trying to connect one external monitor via VGA and another (a TV) by HDMI (to work on three screens - ...
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9 views

system detects three monitors instead of two

after installation of ubuntu 14 I've found out that in system settings -> displays I have three displays on the screen. One is okay is my extra monitor but I've got two Built-in displays. It's really ...
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0answers
15 views

Multiple monitor configuration is delayed for 40 seconds on Ubuntu 14.04 LTS

I have a weird problem. I'm on a Lenovo Y510p laptop, 1920x1080 built-in display with another 1920x1080 HDMI monitor. The computer has intel drivers and Nvidia, though I think I'm only using the ...
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14 views

Hybrid Graphics Issues (HD7870 and Intergrated Intel)

New to Linux/Ubuntu and having issues with 3x 1080p displays and hybrid graphics. Current Rig:- Intel i5 2500K Gigabyte Z68X-UD3H-B3 Mobo 8gb (2x 4Gb) Giel Corsa Enhance DDR3 WD 2Tb Sata HD ...
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3answers
65 views

Put external monitor on the left

On my laptop with 14.04, I want to use an external monitor. I want to put my external monitor on the left side but ubuntu seems to logically put it on the right side. I tried to organize the display ...
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0answers
50 views

Citrix Receiver on Ubuntu 15.04 with multiple monitors

I'm really struggling with this one... I have installed Citrix Receiver 13.1 on my Ubuntu 15.04 system. However when I actually open a Citrix session from Firefox it reports that it is version 10.5 ...
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0answers
26 views

Ubuntu on laptop: opening a window on an HDMI external monitor via command line

Using Ubuntu 14.10 on a Dell latitude, I'm trying to set up an external display connected through a mini-displayport. Ideally, I would like to be able to open a custom full screen application on the ...
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0answers
24 views

Gnome 3 : change system fonts size on each display of dual screen

With Gnome 3, is there a way to change the system fonts size independently on each display ?
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47 views

3rd monitor not working anymore on Ubuntu [duplicate]

I have a dell optiplex 7010 with three DELL monitors attached and running Ubuntu 14.04 LTS (kernel 3.16.0 ). One of the monitors is attached via VGA cable while the other two using displayport cables. ...
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1answer
48 views

How to change display's position from command line?

How can I use the command prompt to do get the setup shown below? Edit: I need the secondary display to be located to the left and half-way to the top of the primary display, as shown above. The ...
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10 views

Recent session problems with external monitor

Running Ubuntu 14.04 on a Dell XPS 13, where I sometimes use an external monitor (e.g., at work), sometimes not. In the last month or so, my computer started having all sorts of problems with the ...
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89 views

Ubuntu 15.04 with Gnome 3 does not automatically change display layout

When I used Ubuntu 13.04 with Gnome 3 and connected an external monitor using HDMI, it automatically detected it and changed the layout (turned off the laptop screen, set the external monitor as the ...
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0answers
75 views

Switching displays causes hangs in Ubuntu 15.04 and Lenovo Yoga 3

I have a Lenovo Yoga 3 11 with Ubuntu 15.04. I connect the laptop to a monitor via its HDMI output. When I plug the HDMI cable in, it will normally switch to multimonitor mode but sometimes it will ...
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0answers
22 views

Unity launcher placement doesn't change

I am using double monitors in Ubuntu 14-04 with Unity and I want to change the launcher to my left screen. I know I can find this option in Settings -> Display but when I try to change it, it only ...
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1answer
24 views

Splash screen (after login) looks bad

I am using Ubuntu 14.04 on a laptop and I connect to a HD monitor via HDMI. I don't need the laptop screen so I turn it off. On the login screen, both the monitor and the laptop screens are turned ...
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21 views

Possible to add an additional a 4K 60hz monitor on Trusty Tahr?

I have a 1920x1080 and a 1920x1200 monitor on my current Ubuntu 14.04 setup, and I'm thinking of adding a 3rd monitor as my main, preferably a 4K screen at 60hz such as the Dell P2715Q Have you guys ...
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26 views

multi display (not monitors) window drag

Sory if this is question that can be answered by lmgtfy.com but I'm english is not my nativ language, so I don't even have ideas about asking google. To point... I've setup multidisplay(using ...
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21 views

Can I use TwomonUSB with Ubuntu? (Second Display with the tablet)

Does anyone know if you can use TwomonUSB with Ubuntu?
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7 views

window tweak slider for Thunar file system appears in display :0 when window is in display :1

I am running Ubuntu 14.04 with dual screens under xfce. When I open the file system (thunar) window in display :1 the window sliders appear in display :0. The sliding action doesn't work because the ...
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2answers
78 views

My computer halts for short times intermittently. Is it related to my fan making a lot of noise?

I have two problems with my computer. The system is halting for short times intermittently so the computers becomes almost impossible to use for short times that can happen just when the computer ...
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2answers
37 views

How can I tell ubuntu to use only the external monitor?

I use ubuntu 14 with an external monitor. It seems there is some problem with the internal graphics so I want to tell ubuntu to use only the external monitor which is connected with hdmi. How can it ...
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0answers
30 views

How to stop Unity from moving windows on its own between two monitors

I'm working on Ubuntu 14.04.2 LTS with two monitors. I also have 4 workspaces configured. What I've noticed is that often, when I switch to another workspace and come back again, the two windows that ...
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0answers
15 views

Extend monitor on 12.04 doesn't work with laptop, whereas mirroring does?

I'm trying to extend the desktop from my laptop to an external monitor - Ubuntu detects the display, lets me activate it and extend my desktop to it, but then nothing shows up on the external display. ...
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39 views

Displays are mirroring instead of spanning

I have been using a dual monitor setup on my desktop for months. This morning, the monitors wouldn't display so I logged in remotely and rebooted the machine. Now the two monitors are mirroring ...
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2answers
79 views

3 monitors (vga, dvi, hdmi) recognized, but no image on HDMI

So far, I have used VGA and DVI monitors on NVidia GeForce 650 card and all worked flawlessly. Today I purchased BenQ 2460 HDMI monitor, connected it, NVidia Xserver Conf tool recognized it but the ...
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1answer
132 views

3 Monitors, 2 graphics card (NVIDIA, Intel) on Ubuntu 15.04

I have three monitors connected to my computer. Two using my GTX 550 and the last is connected to my mainboard. On Windows, all three monitors work like expected, but I get problems when running ...
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1answer
42 views

External display mirroring builtin on Lenovo G560

On a Lenovo G560 running Ubuntu 14.10 I am trying to connect an external monitor to use as a dual-monitor setup. When connecting the display, the external monitor one mirrors what is on the builtin ...
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0answers
53 views

I have two mouse pointers in Ubuntu 15.04. How can I remove one?

I have a two-display setup and I'm running Ubuntu 15.04. The left display is oriented vertically and the right display is oriented horizontally. Here you can see me hovering the mouse pointer over a ...
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1answer
34 views

Can not set proper resolution on this one monitor

I have a laptop with Intel HD graphics and running on Linux trusty 3.13.0-45-generic. I never had problems connecting external displays to my Display Port, but now I got a new monitor and can not get ...
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0answers
23 views

Make KDE use max resolution available for second monitor

KDE user, Thinkpad T450s. I have a second monitor at home, and another one in my office. When I plug in any of the two in my VGA port, the system automatically assigns to it a 1024x768 resolution. ...
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21 views

frequent freezes after installing psensor or enabling systemmonitor extension

I recently installed ubuntu gnome 15.04 and everything is working fine, but something strange is bugging me and i don't know what's the problem. each time i install Psensor or any monitoring ...
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0answers
33 views

How To Increase Screen Resolution?

I have a 1600x900 monitor attached to a 1280x768 laptop, only the latter resolution is available, how do i increase it to my monitor's max resolution? the xrandr result is: Screen 0: minimum 8 x 8, ...
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0answers
101 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
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26 views

ubuntu 12.04 LTS not detecting my 2nd display

Hi I just assembled my pc and got 2 graphic cards into it, I installed ubuntu 15.04 and both screens work , however the pc randomly freezes for a few seconds, so I installed 12.04 and doesnt freeze ...
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31 views

Dual Monitors Stayed Mirrored

I am running a T450 with Intel HD Graphics 5500 with Ubuntu 14.04 LTS. I am also using a Lenovo Ultra Dock that supports a DVI input and a VGA input. Whenever I connect two monitors to both the DVI ...
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1answer
19 views

External display adapter (SIIG) does not work in Ubuntu 14.04

I have Ubuntu 14.04. I wanted to add another monitor to my Lenovo laptop, so I bought an external video adapter (USB-2.0 to VGA). Interestingly enough, the adapter displays the Ubuntu login prompt, ...
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13 views

Open source graphics driver, screen not updated unless mouse moved

I have 3 monitors with an extended desktop, and the open-source graphics driver supplied with Ubuntu. On 2 of the monitors, everything works fine, but the 3rd screen is sometimes not updated properly ...
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22 views

How can I have both TwinView for an UHD monitor, and a separate monitor?

E.g. 3 monitors, 2 screens, 1 display. Old situation I used to have an HD (1920x1200) monitor and a smaller (1280x1024) monitor connected to my nVidia GeForce GTX 660 Ti. In the NVIDIA X Server ...
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0answers
59 views

Second screen blinking after upgrading to 15.04

I have upgraded 14.04 to 14.10 then to 15.04. I'm using a Dell laptop without dedicated video card (Intel i5 integrated graphics), lid is closed, I have one monitor plugged into VGA, the other into ...
0
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1answer
86 views

External HDMI Monitor not working with vmlinuz-3.13.0-51-generic

My colleagues and I (four of us) have been using Ubuntu 14.04 LTS since it was released. We are using HP ENVY 17 Laptops with the HDMI port running an external monitor. Since upgrading to 3.13.0-51 ...
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0answers
12 views

hdmi intermittent projector problems

I am connecting an Ubuntu 14.04 machine running xfce4 to a projector via the HDMI output (using a Belkin adapter), and I find that, initially, it detects the projector output, allows me to mirror ...
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1answer
76 views

A file not visible on desktop if one screen is vertically oriented?

I have 2 screen where one is normal horizontal, and the other one is vertical. After I changed that files that I download to desktop are no longer visible. I can see them in Nautilus->Desktop, but ...
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0answers
30 views

Add virtual X11 screen to use via VNC

I'm trying to add a second screen to my ubuntu 14.04 gnome setup, via a VNC client. To be clear: I don't want to connect to a different session, but the same. However, I want to see a different ...
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0answers
51 views

Lubuntu 14.04 on Eee PC: bad screen problem

I've installed Lubuntu on my Eee PC some time ago and generally everything works well. However I'm experiencing a serious problem: the screen gets grey with stripes and I have a hard time to get it ...
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0answers
56 views

Second monitor displays black screen after adding new X Screen with Nvidia X Server Settings

Before this problem occurred, I had a different problem, which was that most programs I would open would automatically open onto the wrong monitor. To fix this, I went into 'Nvidia X Server Settings' ...
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0answers
49 views

TV started reporting no signal from HDMI Port

After 6 months of using my LG5500 as an external monitor for my Acer Aspire E1-472g laptop connected via the HDMI port, two days ago the TV started responding "No Signal". It is possible that what ...
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2answers
91 views

Easy configuration of dual monitor? [duplicate]

I recently bought an external monitor which I use in Portrait mode attached to my laptop. With quite some regularity I have to connect/disconnect it monitor (I work at home and often need to move to ...
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61 views

Xorg.conf is not changing the Display orientation

I am currently using Ubuntu 15.04 with a GTX 570 on 346.46. I have a 2560x1440 display with a 1080x1920 (portrait) display to the right. I am using i3 as a window manager. The displays seem to be set ...