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

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Lubuntu 14.04 Dual Mon with ARandR Screen Layout Editor

I have make use of the XRandR with Lubuntu 14.04 on my old VAIO TZ17GN notebook. It working fine for my dual monitors situation. But I found some tricky issues. Desktop issue First of all, I can't ...
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Can't detect external monitor on Thinkpad W530 running Ubuntu 14.04

I have a Thinkpad W530 running Ubuntu 14.04; I've tried connecting external monitors via both VGA and DisplayPort, but neither are being detected. I turned off Optimus, and am only using the discrete ...
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Incorrect Resolution via HDMI [on hold]

I've just installed Linux Mint (well, went from deepin, to ubuntu, to mint) and in all of the three distros I've been having issues with the HDMI output on my Nvidia GTX 660's (two in SLI). The port ...
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23 views

External Display HDMI out not working

I know this may be a stupid question but are Samsung monitors supported in Ubuntu? I ask because I've recently switched over from windows to Ubuntu 14.04 on my laptop. I have a Samsung monitor I user ...
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1answer
21 views

Save Display Configuration, depending on the connected Displays

I was wondering why Ubuntu does not save the Display Configuration, depending on the connected Displays. I have a Laptop using a Dockingstation. If the Laptop is connected to the Dockingstation I ...
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50 views

What is the recommended way to run more than 2 monitors in ubuntu?

After quite a bit of trial and error, I have gotten 3 monitors running in 14.04 using an active displayport-to-hdmi adapter, a DVI and an HDMI. However, upon rebooting my system I often have to fiddle ...
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36 views

Problems with dual monitor support in Lubuntu 14.04

I recently upgraded to Lubuntu 14.04 from 13.10. Most things are working correctly but I have a few problems with my dual monitor setup. My video card is an AMD Radeon HD 7640G and I am using the ...
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26 views

Screes freezes when using an second monitor

I have an issue with Ubuntu 14. 04, when I wake up my laptop, and I have a second monitor connected (AOC 22 inch), it goes into a partial freeze, opening any app becomes impossible, the response for ...
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1answer
27 views

Sony Vaio External Monitor problems

I am having problems enabling external monitor on my Sony Vaio notebook. It is being successfully detected, but when I try to enable second external monitor the screen glitches and lags (it is like ...
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1answer
27 views

How do I use multiple laptops as external display over network?

I have a relatively powerful computer (8gb ram, 64bit, quad core) and I can easily drive three monitors, my tv over hdmi, my 17 inch hd internal laptop display, and an external hd display. I have ...
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1answer
43 views

Dual-monitor setup; one monitor changes to low resolution

Dear AskUbuntu Community, I am using Ubuntu 13.10 at work with dual-monitor display. One has 1920x1080 resolution and the other 2560x1440 (main), the graphics card is Radeon 7570 1GB. The main high ...
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1answer
34 views
+100

Does XFCE have a sticky edges option or plugin?

I'm using two monitors and really enjoyed the sticky edges feature of GNOME. Does XFCE have something similar? Sticky edges, in Unity, meant that when moving the mouse between your two displays, it ...
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38 views

Recent update in ubuntu 14.04 resulted in my external monitor being unable to go above 1024x768 without being met with a black screen/no signal

This is all through HDMI. I cannot go above 1024x768 or I get a black screen / no signal. This means anywhere between 1152x864 and 1920x1080 (which is what I had been set at before the issue). ...
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62 views

Two monitors, two DP-connectors, Ubuntu sees those as one

I have a IBM ThinkPad in a dockingstation. Attached are two monitors (default resolution: 1920x1200) via two DisplayPort connectors. The laptop have Nvidia/Intel chipset, but I only using Intel. ...
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Need to run xscreensaver in ONE of the TWO monitors in a multihead setup - Ubuntu 12.04

I have a multihead setup with two monitors, running Ubuntu 12.04. How to make xscreensaver run in one monitor. Need only one of the following lines present, on invoking xscreensaver. xscreensaver: ...
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1answer
14 views

How to make “Record My Desktop” capture only one monitor?

I've been using Record My Desktop for a while but a "problem" shows up. Today I have two monitors. One monitor extend another, but RMD when is capturing my desktop, records the entire desktop which ...
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21 views

Why doesn't xrandr recognize my view as connected, even though it's on?

I have a dual screen setup via a Lenovo docking station, the laptop itself has its lid shut. The two screens are mirror display, i.e. both are clearly on and working to some extent, they both display ...
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46 views

Xubuntu 14.04 setting Primary Monitors

I'm using Xubuntu 14.04 with the 331.38 drivers that I installed via the "Additional Drivers" My issue is that when ever I start up a game it starts up in the wrong monitor, to fix this I when my ...
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1answer
65 views

Cannot move windows to second screen

I have an external monitor plugged into my notebook, but I cannot move windows from the bottom screen (built-in screen) to the upper screen (external monitor). The windows stick at the top border ...
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58 views

Dual display detected but not working after startup 14.04

Here's my situation--I've got an HP Envy laptop running 14.04 with an AMD A10 APU. Catalyst display dashboard and the works are installed. As the system boots up, it acknowledges the external display ...
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1answer
23 views

Impossible to start Ubuntu after installing lxde

i just tried installing lxde on my Ubuntu 14.04. I wanted to try working with two different screen at the same time. So to do that typed CTRL+ALT+F2 to go in another terminal and then i typed the ...
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23 views

Display seems to crash after login

When i log in as main user, the display seems to crash. It only shows artifacts and the unity bar at the top. When i log out and back in as a guest everything is fine. So there must be a config in ...
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18 views

Nvidia layout inconsistencies when saving to x configuration file (Ubuntu 14.04)

I am having trouble saving to the x config file from the nvidia x server settings. When I click the "Save to X Configuration File" button, I get "The current layout has some inconsistencies". Under ...
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41 views

Multi screen inactivity suspend

I am new at this so please bear with me, My question is: I have two screens on my pc one 22" monitor and one 26" HDTV now the monitor is connected via a VGA port and the TV via a HDMI port both of ...
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78 views

Xubuntu 14.04 - HDMI Display no longer detected

I have a Sager NP8268, and install Xubuntu 14.04. I have been using an external Asus PB278Q monitor for 3 weeks or so via HDMI. Today, the monitor is no longer detected by xfce4-display-settings. ...
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Xserver shows just the icons on the second screen

i would like to have two different Xserver sessions, because i want to use the same machine from two differet computer by VNC. I mean we are two different person that need to work in the same server, ...
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1answer
30 views

After updating ubuntu 14.04 to ubuntu-proposed using software updater on jun 27th built-in notebook display keeps showing boot screen

after updating ubuntu 14.04 using software updater to ubuntu-proposed automatic displays configuration stopped working correctly. My built-in notebook display keeps showing ubuntu boot screen(the one ...
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20 views

How to make my secondary display not to overflow?

My primary display resolution is 1920x1080 and my secondary display is 1366x768 (both physically and in the settings). My O.S. is Ubuntu 14.04. I extend the desktop and my problem is that the content ...
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38 views

Ubuntu becomes unstable when connected to external monitor and eventually freezes

I've got this really anoying problem and haven't been able to find anyone that's ever had one like this. I use a Dell XPS 15 (L502x) with an NVIDIA GeForce GT 525M tunning Ubuntu 14.04. Before even ...
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22 views

Motherboard secondary DVI no signal

I just bought a motherboard with integrated graphic (intel) 3 outputs: 1 x VGA 1 x HDMI 1 x DVI I've been able to use both VGA & HDMI but the DVI is not detected. $ lspci 00:02.0 VGA ...
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85 views

ubuntu gnome 14.04 can't turn off built-in display

I have ubuntu 14.04 gnome(3.12) on my laptop. My laptop screen is broken so I just have an external monitor plugged in and I use that. In the passed version I would just turn off the built-in (broken) ...
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1answer
101 views

Xubuntu 14.04 does not detect second monitor

I have a Dell Latitude Laptop E6440. The laptop have two interfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
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30 views

Switching back to nvidia after redock Lenovo W520

This is using a Lenovo W520 and the dual video port docking station. I am trying to undock with switching to the Intel video card and re-dock switching back to the nvidia card. 1) Boot attached to ...
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37 views

Optimus technology: Can I use intel graphic with HDMI external display

I have a Lenovo T430 with the optimus technology. I am using nvidia-prime to be able to switch between nvidia and intel cards. So, far there is no problem until I got an external monitor and I wanted ...
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1answer
65 views

Game in Wine causes second monitor to become over exposed

I have 2 monitors and when I run a game through Wine, it causes the second monitor to become over exposed and increases the sharpness quite a bit. I have played around with settings in both the game ...
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3answers
109 views

Dual Monitor not recognized in Xubuntu 14.04

I have a Dell Latitude Laptop E6440. The laptop have two in4terfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
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115 views

Problem with external monitor

Since yesterday I have weired problems using my external monitor (Benq 19" connected via DVI over DVI->HDMI cable and HDMI->Mini DisplayPort-Adapter) with Ubuntu 14.04. Until then I could use this ...
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External Montor on Samsung N150 Plus will only run on 1024 x 600 resolution

My Samsung N150 Plus runs OK on Ubuntu 14 which I have just installed as dual boot with Win 7. However when I connect my ASUS ML239H Monitor I can only get 1024 x 600 resolution. With Win 7 the ...
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25 views

Using Internal and External Radeon GPU's for Multi-Monitor

I currently have a two monitor setup that works perfectly fine for Windows. However, in past experiences with Ubuntu, I've been forced to use only my internal GPU (when both are bios enabled) in ...
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32 views

Disable laptop display before login

I am looking for a way to disable my laptop's built in display before (or right at) the login screen on Ubuntu 14.04. I have a second monitor, and want to only use that. I already have changed the ...
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19 views

Screensavers on multiple monitors

I'm looking to set a screensaver up on one monitor while leaving my other monitor available for work. I'm currently using xscreensaver and a VGA. Is there some sort of option I can ask for declare a ...
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0answers
19 views

Kubuntu dual head issue

I have installed Kubuntu 10.04 on my machine due to compatibility issues. I have raaan upgrades to get it all up to date. I have two monitors connected and they get recognized properly by System ...
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55 views

Cant get full resolution on Second monitor with nvdia geforce 210 on 14.04

I am using two Samsung 1920x1080 monitors with my Ubuntu 14.04 machine having an nvdia geforce 210 graphic card. The first monitor is connected to the VGA port and the second monitot to the DVI port ...
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1answer
38 views

15 computers + 1 “master” computer = major headache

I'm here to ask about a research project for the Math department at a university I have been just accepted to work on. The primary obstacle of the project is as follows. The project requires a set of ...
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48 views

How to duplicate two displays of three in total in Ubuntu 14.04?

Two displays, which I want to make mirror, have the same resolution (1920x1080). One of them is TV on a wall :) It's not very comfortable to move content to TV each time, because it's behind me. I ...
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Only one external screen deteced and the other one is mirrored

I am very new to Ubuntu. I have dell laptop E5440 with Ubuntu 14.04 connected to a dock with 2 DVI-D port and one VGI port. I am trying to setup my two HP external screens to be extended but I am ...
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83 views

14.04 LTS - Nvidia 331 Dual Monitors not working any more after updating

When using the X Server Nouvea Display Drivers my dual monitors works perfectly fine. However it sometimes crashes so i decided to change the display drivers to the the latest NVIDIA 331.38 driver ...
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145 views

Asus Chromebox Displayport monitor not detected

I have installed ubuntu 14.04 as a dual boot OS on my Asus Chromebox and I'm a linux newbie. Anyway, everything seems to be working fine except for the DisplayPort monitor not working. The ...
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16 views

Unrecognized beamer on NVidia GTX 660 with 331.20 drivers

I've an NVidia GTX 660 with 331.20 drivers installed on my ubuntu 14.04 and cant get my beamer recognized. I've tested with latest drivers on Windows 7 and is also not recognized even if another ...
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1answer
40 views

'RANDR extension not present' error message when setting up dual monitors in Ubuntu

I am running 32-bit Ubuntu precise (12.04) and trying to set up dual monitors. I have 2 AMD/ATI Cayman XT [Radeon HD 6970] video cards in crossfire mode (if that makes a difference) and no proprietary ...