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

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10 views

can't have 3 displays on ubuntu 14.10

my laptop has both HDMI and VGA ports, when I conect them both, It doesn't work and I get this message .
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2answers
50 views

Multiple monitors freeze and have artifacts when logging in

When I boot into Ubuntu on my computer 2/3 times the monitors will freeze and the system will become unresponsive. I have triple monitors. This is what is looks like when it freezes. All of the ...
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1answer
16 views

after apt-get upgrade monitors freeze whenever I change something in 'displays'

Steps to reproduce: open Displays change anything, from resolution, to disabling or enabling one of the monitors. click Apply monitors freeze Sometimes I can still see the mouse movements. I can ...
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0answers
14 views

Screen glitch: unplugging HDMI 14.04

The issue is that if I unplug the HDMI coming from my external monitor (i have many and it wasn't dependent on the make/model) the screen on my laptop gets essentially cut in half, displaying half of ...
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2answers
57 views

Cannot set monitor to use 2560x1440

I have a laptop and am trying to plug in two monitors, one of which should run at 2560x1440 I have installed the proprietary nvidia-331-updates drivers and (I think) configured it to use those by ...
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0answers
133 views

How to unplug/reset Mini DisplayPort in 12.04 in bash?

I'm running ubuntu 12.04 on a Dell XPS 15z laptop, and have connected an external display through the Mini DisplayPort. Every time I boot, if the display is connected I have to unplug and plug it in ...
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0answers
34 views

Nvidia GeForce GT 720M + closed drivers + hdmi means crashed

I tried submitting this question on Linux Mint forum but nobody answer me. I understand it's dedicated for Ubuntu but this should be similar. From over a year i'm using my laptop asus X550VC using ...
0
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1answer
46 views

Using Ubuntu Tablet as second monitor for Windows 8.1 [on hold]

i am currently planning my new mobile development workstation consisting of a Windows 8.1 Notebook and a Ubunutu Tablet. I know that there's Software available for android, that mimics a monitor for ...
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0answers
13 views

Using Notebook as second Monitor for Ubuntu Tablet

i am planning my new mobile development working station consisting of a Notebook and a Tablet as second monitor. Notebook OS: Windows 8.1 Tablet OS: Ubuntu (14 LTS) i have asked here how i can ...
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0answers
73 views

ubuntu 14.10 - lightdm can't start unity. Bad xorg config?

When I try to login with lightdm my monitors go dark and then switch off before taking me back to the lightdm login screen. I get a message telling me: Could not switch to the monitor configuration ...
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0answers
17 views

Ubuntu 14.04 sidebar cannot be disabled

I don't know what's happening but I can't turn off the sidebar on my second screen. I've played in the settings for a bit but nothing seems to change. The second sidebar is bugging me a lot, someone ...
0
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0answers
22 views

how can i airplay Mirror my laptop screen and sound projector

I'm a teacher and I often have powerpoint or other resources I want to show students projected to a whiteboard. My school is phasing out serial port connection and is installing a airplay box, which ...
0
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1answer
60 views

3 Screen Setup - Haswell HD4400 - works on windows

I need some hints because of my 3 screen setup: I have an Lenovo X240 with ultradock, which supports displaying to 3 screens. But my external screens are recognized as one generic screen. See my ...
0
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1answer
61 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 ...
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2answers
4k 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 ...
0
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1answer
23 views

Second display won't work with nvidia drivers

I have recently installed Ubuntu but the drivers from x.org are not so good, because: the display with NVidia graphics card (plugged by HDMI) has some problems server x from x.org nouveau driver ...
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0answers
22 views

My Macbook has two “Built-In Displays”

I just installed 14.04 on my Macbook Pro 8,2 and I noticed that I have two "Built-In displays". Some applications open on the second display with no way to get to them. If I disable either display, I ...
0
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1answer
139 views

Split screen problem with Nivida GeForce GTX 770M

The Info I am running a laptop with dual graphics cards: Intel and the Nvidia GrForce GTX 770M I have the Nvidia drivers installed I have Ubuntu 14.04 x64 installed The second monitor shows in the ...
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0answers
58 views

Ubuntu 14.04 laptop and monitor problem

I meet with this problem second time. I'm using a laptop with dual boot. I use Ubuntu 14.04 and Win7. I have a 21,5" monitor plugged with HDMI cable to my notebook. I did this: my laptop was turned ...
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0answers
73 views

Monitor disconnected when screens go black

Since short I have a new 4K monitor connected to my AMD R9 280x on Xubuntu 14.04 via DisplayPort. I have a second monitor connected to the computer as well via HDMI. What I'm observing is that when ...
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0answers
27 views

How to Set Up Dual Monitors to my ubuntu machine? [closed]

I saw some articles indicating that this can be done on windows . I wonder if i can do it on ubuntu
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0answers
34 views

2560x1440 HDMI monitor stuck at 1920x1200 resolution

SONY laptop SVS151190X with Intel IGP: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) Linux 3.13.0-45-generic #74-Ubuntu SMP x86_64 x86_64 ...
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0answers
24 views

ATI R9 2xx's: Dual-monitors on seperate cards

I can not seem to get my second monitor recognized/running in ubuntu 14.04.02, the light is yellow and the screen off. I have tried the basics by going into the display settings but all it shows is my ...
7
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2answers
4k views

Personalize monitor position before login

I'm using multiple monitors. When logged in everything I fine. Left monitor is positioned left and right monitor is positioned right, but before I login the login screen positions them the other way ...
3
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1answer
217 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 ...
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5answers
3k views

nvidia-settings lost after reboot

I have a fresh ubuntu 13.10 install and a dual-monitor setup. I can't get the setup working propely because the monitor settings get reverted every time I reboot. How do I fix this? Note that I get ...
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0answers
19 views

Ubuntu 14.04 loses screen arrangements on reboot

Every time I boot into my Ubuntu 14.04 I re-arrange the monitors in Screen Display to match the physical arrangement of my 3 monitors: DFP-0/GPU-0, DFP-1/GPU-0, DFP-3/GPU-0 Every time I reboot, ...
2
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1answer
4k 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 ...
0
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1answer
115 views

Ubuntu 14.04: Cannot change screen resolution

I know there are many questions with the same topic, but no solution seem to apply to my case... I'm on Ubuntu 14.04 on a Toshiba Satellite L735 laptop. My xrandr output is: Screen 0: minimum 8 x 8, ...
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3answers
721 views

Cycle through clients on both screens in awesomewm

I am using awesomewm and have two monitors, so Mod4+j and Mod4+k cycle through windows on current screen only. Is there a way to cycle through all windows/clients on all screens to make it work like ...
0
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0answers
69 views

External monitor works fine, but laptop shows black screen (even though it is detected)

I have quite a weird problem: a few months after successfully using Ubuntu, the laptop screen went black. After some attempts to fix it, I have discovered that when I plug in an external monitor, I ...
0
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0answers
16 views

Mouse Issues on VGA output

I am running Ubuntu 12.04 on a Lenovo Thinkpad X200. I am using the VGA output on a second monitor. The mouse works fine when using it but as soon as I touch the internal screen on my Thinkpad, the ...
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2answers
41 views

cannot move cursor to external monitor

I just connected my external monitor and it all works fine. I tested this even in windows. But on ubuntu I cannot take the cursor to the external monitor. It just doesn't move there and it gets stuck ...
0
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0answers
29 views

unable to switch screen in Kubuntu 14.10

I recently moved to Ubuntu from Windows and I'm using Kubuntu 14.10 now. I have a laptop with an external monitor. The problem is, I am not able to switch between the monitors with Kubuntu running. ...
0
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0answers
38 views

The same monitor shows up as two displays

I have a monitor plugged into my Dell Latitude running Ubuntu 14.04. I have the problem that my monitor shows up as two separate displays. But it is actually showing only one of the displays. And ...
2
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4answers
10k 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. ...
0
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0answers
28 views

Get both Graphics cards working

I have 2 nVidia GeForce GTS 450/PCIe/SSE2 graphics cards, each with a DVI, VGA and HDMI port. Unfortunately, only one of these cards is detected by Ubuntu, so I have to have one screen on VGA and the ...
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6answers
1k views

Building a six-screen setup. What video cards options are there?

I'm building myself a nice setup with a massive amount of screen real estate. Since I had/have problems with video drivers in the past. I'm asking for advise here first. I want to connect at least ...
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0answers
68 views

Flickering Mouse Cursor in Ubuntu 14.04 LTS

I'm a newbie on Ubuntu. I've installed Ubuntu 14.04 LTS on Dell XPS 17-L702x and I have two Samsung syncmaster s24b350 connected. Now my problem is that the mouse cursor is flickering very often and ...
2
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2answers
515 views

Dual Monitor Setup : Grub loader goes to HDTV even if it is turned off

I'm sorry if this is a repeat but I can't find the answer to this anywhere. I have a dual boot system with Windows 7 and Ubuntu 12.04. I recently bought an HDTV and connected it to my computer by ...
0
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0answers
28 views

Monitors lose position in multihead setup in 14.10?

I'm experiencing an issue with Kubuntu 14.10 where after I set the monitor position and reboot, the position is again lost each time. This is being set via System Settings -> Display Configuration. ...
0
votes
1answer
260 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 ...
5
votes
2answers
5k 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 ...
1
vote
0answers
39 views

How to get “xdotool windowsize” to resize a window across two monitors

I have two monitors side-by-side. I can manually resize a window to span across the two monitors. However, I am not able to automate this action using "xdotool". It appears that I can resize the ...
1
vote
1answer
35 views

Split large resolution into 2 desktops

I am trying to find a solution to a limitation we have with a split DisplayPort to 2 monitors. It creates a single display across each monitor. As far as hardware goes our hands are tied since we ...
0
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1answer
57 views

2 pc, 2 monitor: Switching between extended screen and two separate screens

I have two computers and two monitors: My primary computer: computer1, is hooked into two monitors: monitor1: primary monitor and monitor2: secondary monitor. The second monitor, computer2 is only ...
0
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0answers
11 views

ATI Eyefinity vs Nvidia SLI 3-monitor span for gaming [duplicate]

I'm going to be building a computer for iRacing/gaming, and I'd like to use Ubuntu. I'm wondering which card vendor has the best support for a 3-monitor setup that would treat the 3 monitors as one ...
0
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1answer
40 views

Dual Screen / Dual GFX card issue

I recently added an additional video card (Radeon HD 6450) to my system and instead of improving the response time its worse than before. On the 1 GB card the video display is very laggy, on the ...
0
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1answer
49 views

Use 100% of edge to go between monitors

My monitors are currently arranged like this: +---------+ | | +------+| | | || | | || | +------++---------+ If I'm at the top-left corner ...
1
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2answers
3k 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 ...