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

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How can I change the dpi of my monitors separately?

I have two fullHD monitors, one of which is a 15" Laptop screen. How can I change the DPI of only that particular screen, to read text more comfortably?
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0answers
3 views

media control keys on docked Dell Latitude laptop also changes multiple display settings

I have a Dell Latitude E6520. This laptop has keys above the numeric keypad for "rewind", "play/pause", and "fast forward". When the machine is docked with an external monitor, using these keys ...
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2answers
13 views

Simple way to connect MacBook Pro laptop to an external display in Ubuntu 12.04

I would like to know a simple way to connect a MacBook Pro laptop to an external VGA LCD display in Ubuntu 12.04, using the machine's mini display-port and a mini display-port to VGA adapter. I've ...
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0answers
22 views

Nonexistent display (Unknown Display) messing things up

I've been cracking my head with this one all day, read all there is to be read around the issue (not much to be found on it to be honest: some questions, some blog posts and some unresolved tickets) ...
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2answers
2k views

Ubuntu won't do 1920x1080

Both my monitors (one over DVI other over HDMI) have a native resolution of 1920x1080 (16:9) but the only two options for resolution in the "Display" section of system settings are 800x600 (4:3) and ...
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0answers
37 views

Live CD works fine with triple head setup, installation doesn't

I just upgraded my system to 14.04, I was running 13.10. I have two monitors running out of a PCI-E card and one from the integrated GPU on the motherboard. Both GPUs are AMD. My triple head setup ...
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1answer
3k views

How to Avoid Mouse Getting Stuck with Multiple Monitors of Different Sizes

I have two monitors. One is 1920x1080 (the left screen), and the other is 1440x900 (the right screen). I am using Ubuntu 12.04. Right now, I have it set up such that the tops of both monitors are ...
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0answers
13 views

How to show slide console on laptop and slide-show in the projector using Libreoffice 4.2 on Lubuntu 14.04?

I'm trying to setup my laptop (Dell D420) with Lubuntu 14.04 and Libreoffice 4.2 to show a slide presentation to a VGA projector. I used ARandR to make a screen layout where the laptop screen ...
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2answers
5k views

Turn off laptop display and have monitor

My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the ...
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1answer
68 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
46 views

external monitor can't display max resolution

I had been using an external monitor, an old Dell Inc. 19" with Ubuntu 14.04 for a while now, The resolution it displayed at was something like 1366x768 or 1366x1024, I can't remember exactly which ...
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0answers
57 views

Ubuntu becomes unstable when connected to external monitor and eventually freezes [closed]

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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0answers
32 views

Dual-display solution (other than ARandR) on Lubuntu/Xubuntu?

What I want to achieve is an elegant way to use my two screens on Lubuntu or Xubuntu. Being elegant means: 1) Working in the same extended-display mode as in ubuntu-desktop (the common Unity Ubuntu) ...
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0answers
52 views

Second monitor no longer working on Ubuntu 14.04 [Intel]

My laptop is an Acer Aspire M and I used to connect a second monitor through hdmi regularly. About a month ago, it simply stopped working. I don't really know anything I can do, so any help would be ...
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3answers
3k views

Multi Monitor Issues after fresh install of Ubuntu 14.04

I just performed a fresh install of Ubuntu 14.04. I have 3 Nvidia Quadro Cards powering three monitors. I used nvidia-settings to enable the three monitors: *NOTE: The forum will not let me post the ...
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0answers
10 views

Desktop icons appear in the Centre of two monitor's

The problem I have been seeing is in Ubuntu 14.04 LTS when using a Hyundai (primary monitor) and a Dell (secondary monitor) to effectively have an extended screen layout. When I start-up my desktop ...
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1answer
33 views

Two monitors - resolution not correct

I have two monitors that are exactly the same make and model but obviously with different inputs...I am trying to get them working in Ubuntu 14.04. Here is some output from a random command I found: ...
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0answers
12 views

is it possible to configure 6 Monitors with a Amd r7 260x in different graphical virtual consoles?

I have a project to configure 6 monitors using eyefinity technology from amd so i'm figuring out the way to do it, i'm thinking to use tentatively the xfx r7 260x card with 2 dvi ports (DVI-i, ...
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5answers
8k views

Second Screen is Rotated in a dual monitor setup

I have a laptop connected to a second monitor using a vga port. No proprietary drivers used. When I go to System Preferences --> Monitor and I turn that on it doesn't look as it should, and it's ...
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0answers
23 views

How to set primary monitor with AMD Catalyst Control Center installed

when I run xrandr, I get a list of my connected monitors (which are DFP5 and DFP6) DFP5 is an HDMI connected TV which I want to be my secondary monitor as it is smaller, and DFP6 is a DVI connected ...
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0answers
12 views

3 monitors mixing GPU and IGU

I'm completely new to Ubuntu and am trying to get 3 monitors (or four if possible) to work on a GeForce GTX550ti and integrated graphics. When I installed, Ubuntu seemed to extend the top bar across ...
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1answer
349 views

How do I know if I will be able to daisy-chain monitors? (connect two monitors to 1 DisplayPort)

I am planning to use Surface Pro 2 with a dock station as my main computer and I would like to connect two external monitors to it, but the dock station only contains a single DisplayPort socket. ...
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2answers
702 views

Thinkpad w540 w/ Ultra Dock only one external monitor works

I have installed Ubuntu 14.04 on this Lenovo ThinkPad W540 laptop, and everything appears to be working ok by itself. Today I received my docking station to which I intended to hook up 2 external ...
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1answer
52 views

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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0answers
21 views

Two Black Screens on Triple Monitor Setup with fglrx and fglrx-updates

I am running Ubuntu 14.04 LTS with Gnome 3 (but this also happens with Unity). However, once I login, only the center monitor (primary) will work. The other two monitors are black, but they do show ...
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1answer
88 views

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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7answers
3k views

xorg.conf changes from nvidia-setting have no effect after reboot

I have upgraded from 13.04 to 13.10 today and everything works smooth apart from one thing. I have a dual monitor setup and every time reboot the screens have switched places (left screen on right ...
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0answers
32 views

Screes freezes when using an second monitor [closed]

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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0answers
31 views

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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2answers
4k views

Is this a dual monitor reset bug?

My two displays are: Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display) External display (1920x1080) A few minutes after I login to my dual monitor setup, it gets reset to ...
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3answers
3k views

HDMI connection to external monitor causes laptop screen blackout in 14.04, nvidia graphics

I have had some serious issues with my external monitor and graphics display since installing Ubuntu 14.04, and no one else seems to have had the exact same problem so I figured it best to post here. ...
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1answer
99 views

nvidia-settings detects no display

I have ubuntu 14.04 and nvidia driver 331.38. My notebook has GeForce GT 555M and Intel Graphic card. The ubuntu works fine except one issue. I wanted to connect two external monitors and realised ...
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0answers
50 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
5k views

How to get Nvidia Graphic card to work on Thinkpad T430?

I installed Ubuntu Linux on my Thinkpad T430 and everything works until last week. Because then I bought a new monitor with a higher screen resolution than full hd. So I cannot run the monitor with a ...
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0answers
43 views

My laptop monitor does not turn on in KDE and I only have display when docked

I use Kubuntu 12.04 64 bit. Currently using the nvidia drivers for my Dell E6510. When the laptop is docked the two multiple monitors are working perfectly. When I restart when I am undocked the ...
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0answers
119 views

Mouse Flicker on Triple Monitor setup Ubuntu 14.04

I am currently running Ubuntu 14.04 with Kernel version 3.13. I have two ATI HD4650 graphics cards and am attempting to push display on 3 monitors. The first card is attached to 2 monitors via an HDMI ...
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1answer
28 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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0answers
90 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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2answers
2k views

Displayport 1.2 MST/daisy chain - Dual Monitor setup - Intel graphics

I am running ubuntu 13.10 on a desktop system and I have 2 monitors that I am trying to connect via Displayport's 1.2 multi-streaming support. The system is equiped with an Intel Core i7-4770K ...
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0answers
49 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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3answers
3k views

After upgrading from13.10 to 14.04 screen on a laptop doesn't work but

First my laptop CPU/GPU is Intel Celeron N2815 (Bay Trail) and I am in dual boot with windows 8. I have upgraded from ubuntu 13.10 to 14.04 today through update manager. And after upgrading and after ...
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1answer
37 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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2answers
5k views

NVIDIA x server - “sudo nvidia config” does not generate a working 'xorg.config'

I am over 18 hours deep on this challenge. I got to this point and am stuck. very stuck. Maybe you can figure it out? Ubuntu Version 12.04 LTS with all the updates installed. Problem: The default ...
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2answers
662 views

Mouse flickering on one of my two screens

I just installed ubuntu 14.04 and the mouse is now flickering on one of my two screens. The other screen doesn't have any flickering. I was previously using ubunutu 13.10 without any issue. If I ...
2
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1answer
3k views

Dual monitor connected to hdmi port not detecting on Dell Vostro 3750

I am using Dell Vostro 3750 laptop with 2 monitors. OS Kubuntu 13.04 1 monitor I connected with VGA and it is working fine. But another monitor connected to HDMI port is not detected. I connected ...
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1answer
41 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
53 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
193 views

How to start a program always on second monitor

I tried to google and to browse/search the questions but with no luck. I have xubuntu 12.10 installed and extended desktop is working great (intel display driver). The problem is that I want to start ...
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1answer
114 views

How to change Monitor of ubuntu box Also 'Out of Frequency ' Error due to monitor change

I have find very odd and crude solution to this entire episode. It is as follows Start installing ubuntu as usual. Switch off the monitor Wait for some time (1-2 minutes) till the HDD access stops ...
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1answer
3k views

Dual Screen will only mirror after 12.04 upgrade

I have been using Ubuntu with a dual screen for years now, after upgrading to 12.04 LTS i cannot get my dual screen working properly Graphics: 01:00.0 VGA compatible controller: Advanced Micro ...