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

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Two independent monitors with two independent desktops

OS: Xubuntu 15.10 GPU: Nvidia Quadro K4000 with nvidia-352-63 driver I asked this question on the Xfce forum and got no responses, so I decided to repost the question here. I have two independent ...
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Is there a “generic” way to manage different monitor setups?

When I'm at work, I put my laptop in a docking station connected to an external display. However, the laptop does not really recognise when i close the laptop lid. The laptop screen is thus still ...
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Kubuntu: Second monitor not detected correctly

After a recent update, my second monitor is not detected correctly anymore. It is displays a copy of the first ones content. Strange is that it appears to be detected correctly on the login screen: ...
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How can I use my Intel HD GPU at the same time as my NVIDIA GPU on a Desktop system?

So, I've found only a handful of questions / articles about this topic but in pretty much all cases it's about laptops. This is very different because it's usually related to Nvidia Optimus sort of ...
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Ubuntu freezes during startup screen after rebooting after installing AMD graphics drivers

I have an Asus r7250 graphics card, which I plug two monitors into (1 VGA, one HDMI). Recently (today) I installed Ubuntu 14.04 on this computer (a desktop, 64 bit). Within Ubuntu, I was able to ...
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Connecting second screen causes ubuntu to quit session

I have been using a second screen with my laptop for some time and it was working fine. But now when I connect the second monitor, it logs me off (if I was already logged in) or will not log me in at ...
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1answer
8 views

Ubuntu 14.04 disable secondary desktop in Unity

Is there a way to disable Unity from creating a secondary desktop if I have two monitors plugged in? My secondary monitor is actually a receiver for sound, so there is no need to have a desktop ...
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Intel graphics card refresh rate

I have a two monitor setup running on a integrated Intel graphics (HD 4600). I'm trying to run an application at the refresh rate of either of the displays (both running at 60 Hz). This works fine ...
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Multiple monitors - set all apps to secondary monitor

like the title says, I want to simply make sure all apps launch on one particular monitor. The reason for this is that I am using two HMDI connections, one for sound, the other for video. The reason ...
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1answer
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Ubuntu 14.04: I have 2 monitors, and full screen spans both of them. I only want full screen on one monitor

I see lot's of people wanting to have full screen span both monitors, yet I only want to be able to full screen an application on ONE of the monitors. Here is my /etc/X11/xorg.conf Section ...
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Ubuntu 15.10 - HDMI connection to Samsung HDTV no longer working

I use a HP Pavilion dv5 laptop. I have been connecting it to a Samsung HDTV for over 6 months now via a HDMI outlet and everything worked seamlessly. I was new to Ubuntu then, and surprised that it ...
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Very particular problem with dual monitors: Sony Bravia 55W800C + GeForce GT430 + Intel® Core™2 Duo CPU E4600 @ 2.40GHz × 2

I've connected a Sony Bravia to my ASUS tower running Ubuntu 14.04 with a GeForce GT430 (it's an older video card now, but it has 1GB of VRAM). The problem I'm experiencing is that when the mouse ...
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60 views

Display Manager Crashes on Dual Monitors with GNOME 3

I don't know if this problem has been here since I installed Ubuntu, as I don't remember if I ever used multiple monitors before now on my laptop while in Ubuntu. Here's the situation: I have an ...
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1answer
24 views

Is there any way to mirror displays in 16:9 Ubuntu 13.10

I have an old dual core Toshiba laptop with a 15" wide screen that rarely leaves my office. I have a 17" wide screen monitor plugged into the vga port on the side and want to mirror the display. ...
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Dual screens not working properly Ubuntu 14.04 Nvidia 760M

I've recently done a fresh new install of Ubuntu because I got tired of my old Windows BSODs. I'm using a MSI GS70 laptop. The installation is finished and the system boots up perfectly after ...
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Display problem when upgrading to Ubuntu 14.04 (maybe display UNCLAIMED)

I recently upgraded my machine to Ubuntu 14.04. When I boot my machine, my monitor does not display anything. Pressing Ctrl+Alt+F1 also doesn't show me anything. What I finally did was go to recovery ...
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1answer
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Unsupported resolution when connected with HDMI

So here's the situation. One day my Acer Aspire One 725 fell and its display isn't working anymore. However, I got a display workaround by the means of HDMI cable connected to my TV(max supported ...
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1answer
18 views

Can't disable 'workspaces on primary display only'

Recently installed ubuntu 14.04 and gnome shell 3.10.4 on a dsktop with 2 screens connected. When switching workspaces (ctrl + alt + up/down) I want both displays to change, but only the primary ...
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how do I open two Chrome browsers on a dual screen configuration, each browser in its screen

I need to code a bash script that runs on start-up and opens two Chrome browsers on a dual screen configuration Ubuntu 14.04.3 LTS. Each Chrome browser should open at a preset web URL(page),in a ...
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Dual monitor problem on Ubuntu 14.04. After monitor switch off and on, application Chrome closes by itself

I have a problem that involves a Ubuntu 14.04.3 LTS that runs on a NUC Mini-PC.The NUC is connected with two external Samsung Smart TVs 1st display connected via HDMI , 2nd display connected via ...
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HP 650 - HDMI port doesn't work

I have laptop HP 650 (2 core Pentium, 4GB RAM) with 2 display ports: VGA and HDMI. If i connect display on VGA port it's really fine. I have 2 displays. When I want to connect display to HDMI (as ...
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When i switched from ubuntu to Lubuntu i lost the external monitor. Laptop display is physically damaged

On 1/25/2016 I switched from Ubuntu 14.04 03 LTS to Lubuntu on a laptop (Sony VGN-NR120E) that I can only use with an external monitor because the LCD is physically damaged. The external monitor ...
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14.04 guest on Win 7 host can only 'see' one monitor in Settings>displays (I have two)

I have two VMs (VirtualBox) on my Win 7 host. One, Ubuntu 12.04, sees both monitors in Display>settings and works fine as far as monitors are concerned. I just added a second VM, the 14.04 install. ...
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Dual Monitor Resolution Problem with KVM Switch

Trying to setup a dual monitor environment with one monitor running through a KVM Switch. The first monitor gets detected just fine at 1280x960 (no KVM switch) but the other one (running through the ...
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46 views

Ubuntu 14.04 display port or VGA connection with limited resolution on second monitor

i just installed ubunutu 14.04 and have problems getting a second monitor working on my laptop. the display port via HDMI makes no connection at all and the VGA connection has limited resolution on ...
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1answer
34 views

Desktop icons outside the monitor on second monitor (smaller one)

I have a 24" and a 27" monitor connected to my notebook and arranged as you can see in the Display Settings window below. So the right (blue) monitor is higher than the left (green) one. My problem ...
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Display flickers, distorts trying to detect second monitor through IGD

I'm trying to get a second monitor working on my system using the integrated graphics HDMI port on my motherboard. My system is an i7 6700k, MSI z170a m5 motherboard, and nvidia 950 gpu. The gpu is ...
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1answer
42 views

LG monitor is detected but doesn't function

I just bought a new LG monitor to use as a second monitor with my HP laptop (Intel Integrated graphics) running Ubuntu. In my Settings > Display I can see my monitor detected in the GUI but on the ...
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45 views

Display issues on upgrade to 15.10 (also, desktop environment crashes)

I'm having a lot of problems after an upgrade from 15.04. Most of them seems to be related to Nvidia display issues, but some seem more fundamental than that. Before I list the main issues, I want ...
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1answer
43 views

New (used) monitor — resolutions not detected and errors when adding them manually

I just got a used Dell 3007WFP-HC. I plug it into my Thinkpad X250 running 14.04, go to "displays" and I only have the option of 1280x800 resolution. I follow this advice on adding undetected ...
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Setup third monitor which is connected to mainboard instead of graphic card

As a consequence of a dead Displayport on my graphics card i now want to use my graphic card for 2 and my onboard graphics for another monitor. I just set the multimonitor flag in the BIOS and in ...
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117 views

How Ubuntu UI is better/easier than Lubuntu?

I am a web developer coming from a Windows environment. I recently decided to switch to Linux to enjoy better shell scripting and to be able to use certain Linux only tools. I chose Lubuntu ...
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1answer
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Quit LightDM & launch a new x-session with an alternative xorg.conf

I'm using Ubuntu 15.10 with the following configuration: LightDM, XFCE, set to one screen across two physical monitors running from two outputs on a single NVIDIA card. This is my normal environment ...
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How to force display re-detection

I have a tri-head setup on a NVIDIA GTX660 running latest NVIDIA drivers on 15.10. Often on boot or when launching an application the card/OS 'forgets' about a screen or what resolutions it can run. ...
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Ubuntu Gnome doesn't detect second monitor

My laptop can't detect my monitor connected via the vga output. My graphic card is a GeForce GT 730M and I have the proprietary drivers installed (version 352.68 from nvidia-352(proprietary)). Here is ...
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secondary monitor resolution went off suddenly on ubuntu 14.04

I am running Ubuntu 14.04 on my laptop. I have connected a VGA monitor (Acer) to this laptop as my laptop screen is broken. Everything was fine, until one fine day my monitor went blank and I had to ...
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Cant get HD resolution working on second monitor, nvidia GT640 card, Ubuntu 14.04

Got a working screen via HDMI, but the DVI won't go past 1360x768 (a PackardBell Maestro monitor). Had no issues in Windows 7. I've tried all the xrandr tricks, see the output below: xrandr Screen ...
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Is there a way to tie the brightness levels of each monitor together?

I have two monitors, one external, one part of my laptop. In order to set the brightness on my external monitor I have to use this answer. But I really just want to be able to hit the button on my ...
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Is it possible to automatically switch profiles on Compiz?

Is it possible to automatically switch profiles on Compiz? This would be ideal if I could get compiz to apply a specific profile when it detects my monitor being plugged or unplugged from my laptop. ...
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Dropbox disapearing from system tray after unplugin from second monitor

I am running kubuntu 14.04. Dropbox works fine, and there the icon (with sync status) appears in the system tray. I have a second monitor, which also has a kde panel on it (no system tray in this ...
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How do I stop window migrating to different workspaces?

I am finding that several applications (firefox, open office, acrobat reader for examples) will move workspaces apparently of their own accord. I tried to stop this but using CCSM Window management to ...
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Canot display video with IGD mode from bios

I have configured my bios so that the video work at IGD thus has an ATI Radeon non-integrated and integrated intel, the problem is that when you start your pc did not start the system, just start by ...
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133 views

Ubuntu 15.10 2nd hdmi monitor blacks out

I attach my Gigabyte P34Wv4-BW1T laptop to a 2nd monitor via HDMI. This monitor blacks out randomly. I think it's random, at least. I'm not sure if it's going into sleep mode or not. I went into my ...
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1answer
78 views

How can I preserve the desktop's icon positions after reboot, on a dual monitor setup (Unity)?

I have a dual monitor setup running Unity on Ubuntu 14.04 Whenever I boot the machine, the system appears to forget the positions of my desktop icons on the right-side display (Connected via VGA). ...
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1answer
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Disabling Sticky Edges on Ubuntu 14.04?

As the title suggests, I'd like to completely disable Sticky Edges from my set up. I have disabled the Sticky Edges in the system settings and played around with CCSM and Tweak Tool to change the ...
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Unable to login to Ubuntu after changing X display configuration (NVIDIA X server settings)

My Ubuntu (14.04) desktop currently has a LED screen and a CRT monitor connected to it. I needed to set the two screens as two separate screens rather than a continuous dual-screen. (This is for ...
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Discrepancy between visual cursor and actual cursor position while using dual monitors

I've been trying to set up dual monitors for a while now, and haven't been able to get it to work because of this issue. I was able to get it to work fine earlier today, but the issue returned later ...
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How to install unbuntu on a laptop with a broken screen

I currently own a ASUS Notebook that I want to install unbuntu on. It currently is running Windows 10. My main problem being that the notebook's screen is broken(,and I have no ability nor money to ...
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External display problem from two laptops to two external monitor through HDMI switch

Bascially I want to connect each of my laptop (two in total) to my external monitors. One runs Ubuntu (for my general use) and the other runs Windows (for some engineering softwares that only run on ...
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How do I tell arandr to not dublicate desktop icons onto the second monitor?

I use a Lubuntu 14.04 with two monitors and had them set up via arandr. I had to re-install lubuntu-desktop and now the secondary monitor is added as it should so there is just one desktop over both ...