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

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1answer
63 views

External monitor is detected 10% of the time

About a month ago, the detection of my external monitor has been very unreliable. If I keep plugging/unplugging the HDMI cable, it will be detected but I sometime have to plug/unplug 30 times! My ...
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0answers
71 views

Problem with video output scaling / desktop rendering

There is a problem with rendering my desktop and I don’t know the cause much less how to fix it… First, Ubuntu was connected to three monitors. One of the monitors was a TV. Here the problem occurred ...
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0answers
77 views

nvidia-settings does not recognize displays

I'm using Ubuntu 14.04 on an Alienware 14 (2013), with a GeForce GTX 765M. I'm also using the recommended nvidia drivers (331.113). Here's the deal: nvidia-settings doesn't recognize any of my ...
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0answers
54 views

How do I stop my screen from shifting when my mouse moves to my other monitor

I have two screens and when I move my mouse from my primary display to my secondary one, my screen gets dragged over to display my secondary display on my primary monitor along side my primary screen, ...
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0answers
45 views

How can I get desktop icons to show on-screen with mismatched monitors?

My main monitor is on the left and in landscape orientation at 1680x1050. My secondary monitor is on the right and in portrait orientation at 1050x1680. So, overall, my desktop is treated as ...
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0answers
67 views

Same background color (not wallpaper image!) on dual monitor Lubuntu 14.04 setup

I have two monitors in a Lubuntu setup, and am only able to change background color on the main monitor, while the other keeps the default Lubuntu wallpaper. Now, on some other setups, the problem ...
1
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0answers
129 views

3 monitor flickering mouse ubuntu 14.10

I've downlaoded ubuntu 14.10 on my pc.. I've got a 3 monitor setup (2 with my nVidia card, 1 with my intel buildin grapics) But my mouse is flickering on my 2 nViadia screens. I already tried to ...
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2answers
328 views

14.04 nvidia dual display (external+laptop) stretched display, offset desktop

When I try to attach an external monitor to my laptop, the windows are stretched oddly horizontally and the click offset is off. The nvidia settings also doesn't seem to show the built-in laptop ...
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0answers
21 views

KDE resizes when I turn off a monitor

I have a fresh install of Kubuntu 14.04 with 3 monitors. When I turn off a monitor, KDE detects that and resizes/moves windows to the other monitors. I usually want to turn off all monitors and walk ...
0
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1answer
208 views

Radeon HD 8490 Video Driver Problem in Ubuntu 14.04

I have a problem with running Radeon HD 8490 video card in Ubuntu 14.04. I am trying to set up dual monitors so here are my problems. When I go to System Settings - Software & Updates - Additional ...
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0answers
21 views

Shawdow drag effect on display in portrait mode

I just got a new AOC 27 inch pivot monitor (AOC Q2770PQU). I've got it connected to a System 76 Galago Pro laptop with Intel(R) Core(TM) i7-4750HQ CPU @ 2.00GHz with Intel Haswell Mobile graphics. ...
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0answers
183 views

Dual screens nvidia-331 ubuntu 14.04

I am trying to configure Ubuntu 14.04 to work with two screens. I have a laptop that uses Nvidia Prime 740M and an Intel graphics card. I am using Nvidia 331.113 driver presently. When trying to ...
1
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0answers
39 views

Xinerama: Moving 3D Application Windows causes severe lag and sound distortion

I've been having this issue for quite some time now, but only recently managed to locate the problem itself. What happens is that whenever moving windows that contain 3D graphics, the whole system ...
0
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1answer
74 views

Maximize over two screens

EDIT: I ended up installing KDE and everything worked as expected. I think that there must be something built into Unity that simply will not allow windows to stretch over two screens in the way I was ...
0
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0answers
78 views

catalyst (fglrx) dual mointor sometimes flickering on startup

Sometimes after login, I see flickering using catalyst drivers. I prefer those, since they better optimize my R9 280X fan speed. I've noticed that if I do using graphic interface: switch to one ...
1
vote
1answer
133 views

X Server does not show built-in thinkpad display. Distorting everything in non-mirrored multi-display set-up.

I recently returned to ubuntu (14.10) and I'm currently trying to get my multiple monitor setup to work properly. It worked fine after the first setup in the desired configuration: A 1600x900 ...
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0answers
54 views

Black screen when connecting second monitor

When I connect my second screen in the displayport (using an adapter) both my screens turn black in ubuntu 14.10. I tried a lot of things like booting up with two screens connected, but nothing ...
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0answers
120 views

Gnome crashing on Ubuntu 14.04 - How can I fix or helping fix it?

I've installed Ubuntu 14.04 on my Lenovo ThinkPad. I checked the option to encrypt the disk during the installation (I don't think that this has an impact on Gnome, but you never know). As I ...
1
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0answers
55 views

A 10 pixel wide bar shifted from right side to left side of screen in fullscreen video

In Ubuntu 14.10, in vlc and minecraft when they are displaying in either full screen or when maximized, a 10 pixel wide bar of the video is being shifted from the right side of my screen to the left ...
1
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1answer
205 views

Alienware (Nvidia) + 2 monitor on ubuntu 14.04 (1 of the displays does not show)

I just installed a clean ubuntu 14.04 on my alienware as dual-boot (The problem does not exists on Windows 8). I change the driver to the nvidia (GeForce GTX 860M) one through the additional drivers ...
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0answers
82 views

Ubuntu 14.04 on Acer TravelMate P633 does not recognise projector: could not set the configuration for CRTC 64

I have an Acer TravelMate P633 with an Intel HD Graphics 4000 card. When I try to connect the laptop to a projector, the desktop starts hopping all over the place and I am unable to get into the ...
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0answers
120 views

Upgrade Xorg drivers breaks multiple display monitor Nvidia card Quadro610M [Ubuntu14.04]?

I recently upgraded the xserver drivers xserver-xorg-core and xserver-common to their latest versions (1.15.1-0ubuntu2.6). Ever since I am unable to correctly get a dual monitor setup working. Before ...
1
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1answer
71 views

Multiple displays: screen wrapped ubuntu 14.04.01

Since december 2014, one of my two screens is wrapped around itself (see image). Furthermore, the mouse is lagging on the wrapped screen. I tried rebooting, switching on/off the screen, plugging it in ...
1
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1answer
310 views

Ubuntu 14.10 Aero snap in two screen horizontal setup?

I managed to get Aero snap left and right working in metacity Ubuntu 14.10 and now I would like to come up with the correct winctrl commands so that I can mimic the same effect on a two screen setup, ...
3
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1answer
389 views

How to use the usb monitor AOC e1649wu running on Ubuntu 14.04 LTS?

I have a new AOC e1649WU DisplayLink usb monitor, but when I plugged this into my Fujitsu laptop running on Ubuntu 14.04, it remains black and in Utility, after hitting detect displays, no additional ...
1
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1answer
325 views

How to make the right hand monitor the primary monitor

This has been discussed before. I tried similar (older) solutions, without succes. I am using 14.04 with nvidia proprietary drivers. In the nvidia xcontrol, I can set which display is primary, but ...
0
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1answer
86 views

Mouse mysteriously stops working on my right-hand screen

So I'm running Ubuntu 14.0.4 on my (Dell Vostro) laptop, and have a second screen plugged in. I use a normal USB mouse. Usually, it works fine, but today (after hours of normal usage), I'm having ...
0
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1answer
93 views

Some aplications run, but have no visible application window

I have a strange problem with the visibility of application windows (Unity / 14.04). Sometimes an application seems to be running, but without a visible window. When I click on their launcher icon, ...
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0answers
225 views

Second display screen detected but not usable (though is working fine). Using x.org nouveau driver

The display settings for my laptop and separate screen aren't working correctly. The screen resolution for my 14" laptop won't set correctly and my preferred (larger) display screen is not usable in ...
2
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0answers
145 views

Ubuntu 14.04 Dual monitor lock screen not blanking both screens properly

I recently upgraded from 12.04LTS 64-bit to 14.04LTS 64-bit. My system is a desktop using the NVIDIA GeForce 210 card connected to two identical Samsung SMS23A350H monitors via HDMI cables. I'm ...
9
votes
2answers
297 views

Want to disable built-in screen by default

Some background: My old, well-loved laptop has kicked the bucket. The normally well-backlit screen is entirely, illegibly darkened. It seems to my inexpert inspection to be a hardware problem well ...
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0answers
261 views

External Monitor: VGA and HDMI Behaving Differently

I'm trying to set up a second monitor. I want the primary screen to be my laptop's built-in display and I want the secondary screen to be the external monitor. I'm running Ubuntu 14.04 with GNOME ...
0
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1answer
524 views

Ubuntu on Laptop external monitor not working properly

Today I tried to connect an external monitor to my laptop, running Ubuntu 14.04, for the first time. The connection is made with an HDMI to DVI cable (Laptop has the HDMI, Monitor the DVI Port), the ...
1
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0answers
118 views

Resize desktop to fit HDTV output

I'm new to Linux and trying to learn to love it. At the moment, I'm using a mid-spec laptop that I connect to a 37" HDTV via an HDMI cable. This setup suits me really well and works (almost) ...
0
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2answers
64 views

Ubuntu stuck with old monitor's max resolution?

I was using 1280x768 and it looked blurry. So I went to Displays and tried to change to the maximum resolution: 1366x768. But it threw a limit error. Only then I realized that was my old monitors ...
3
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0answers
202 views

thinkpad 10 running 14.10 2 external monitors not recognized

I am using a Thinkpad 10 tablet, model number: TP00064AFX, running ubuntu 14.10. I would like to extend the screen to 2 23" asus monitors. They displayed upon plugin on windows 8.1 however when I ...
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0answers
24 views

Third monitor picture shifted

I have two AOC 23" monitors and Samsung TV screen. Until last update the picture on all screens were ok. Now picture on AOC's ok but on TV the picture is shifted to the right, that part of picture ...
1
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0answers
25 views

Is there a desktop environment in which I can have the launcher/panel on my secondary monitor?

I have two monitors, one of which is 1920x1080 and the other is 1280x1024. I have the smaller monitor on the left. In Ubuntu 14.04 with Unity, I can put the launcher on the left-hand monitor; however, ...
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0answers
104 views

Notebook: Dual monitor went black after log in screen (both, HDMI and VGA), until I open up Laptop lid (which stays as wished black)

Since upgrading to Ubuntu 14.10 (came from 12.10), the behaviour of my dual monitors (and compiz, but that is another issue) changed in the way, that after logging in, both are going black (off) and ...
1
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0answers
50 views

How to get the current display output using the command line?

I'm writing a script in which I need to switch between two displays, but I can't find a way to get the information about the current active output. Pretty much like this: if Display0 is off and ...
0
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0answers
74 views

How to use remote desktop client to create multiple desktops on computer with only one port?

Sorry if I missed something and ended up creating a dup...I have no clue where to start with this. So my dilemma is that I have a pretty powerful desktop I got for Christmas, but it has only one vga ...
1
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0answers
32 views

Second monitor renders black, except for mouse

I'm running Ubuntu 14.04 and I'm using the fglrx drivers for an AMD Radeon HD 7800 with 2 monitors. When I have the drivers installed the second monitor renders completely black except for the mouse ...
0
votes
1answer
112 views

System freezes after VGA output goes crazy

I am running a dual monitor setup with one running off VGA and the other off DVI on a Asus H97 motherboard. Integrated graphics from an i7-4790. And Linux (Ubuntu 14.04.1 LTS updated to the latest ...
2
votes
2answers
347 views

Ubuntu. VGA to USB driver

I'm having trouble finding information about this. I know there are similar questions, but the only one with an answer is 5 years old and the answer is outdated. I just bought a new laptop, they ...
0
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2answers
576 views

Second Monitor does not detect on Ubuntu 14.04.1 LTS but detects on Windows 8.1 [duplicate]

I just installed Ubuntu 14.04.01 LTS on my secondary partition on my Solid State Drive. I noticed that when I went into System Settings --> Displays --> Detect Displays, my system is not detecting the ...
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0answers
162 views

Dual Monitor's on different workspaces in 14.04

I recently updated from Ubuntu 12.04 LTS to 14.04 LTS and before I updated, I was able to use each of my monitors in their own workspaces. Although, now it appears that both of my monitors are ...
0
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2answers
108 views

Custom Monitor Position in Xubuntu, monitors.xml Equivalent

I have three monitors and would like to be able to set my background to span all three screens. However, my side monitors (smaller screens) are lower than the middle one. In Linux Mint I was able to ...
3
votes
0answers
159 views

Behavior when connecting a laptop to an HDMI screen

I have a three year old Dell Vostro 3750 (Nvidia Optimus) which I am fairly happy with. Since I will use the computer much more in the future, I would like to use it with an external monitor. I have ...
0
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0answers
197 views

How to move Gnome top bar to a secondary monitor

I realize I could manage this by switching my secondary monitor to become primary one, but if I do then any and all games run at fullscreen will adopt the now primary monitor's resolution and that's ...
0
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1answer
59 views

Trying to find a video Card that is dual display that wil work on an older computer with ubuntu 14.04Lts

Hello everyone I was wondering if any one knows of any dual display graphics card that is PCI Express 16x that has easy to find/ easy to install(newbie) drivers that will work in Ubuntu 14.04LTS? The ...