Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)

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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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0answers
29 views

display resolution broken after sleep

I recently install xubunut 14.04 About half the time when I wake it up after the display goes to sleep display settings are wrong (maybe just the resolution). Rebooting has fixed it so far. How can ...
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37 views

How can I make my display work again in Xubuntu?

I'm running Xubuntu 14.04 and I was testing some stuff because I have a dual display setup, and one display never wakes up from suspend. So I tried this, to see if the display would wake up: sudo ...
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0answers
101 views

Unknown display (Nvidia)

recently installed Ubuntu 14.04 on my computer (Nvidia GTX 650 graphics card with a samsung monitor). Problem is when I try to change the resolution, it doesn't recognize my display (Unknown display) ...
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0answers
211 views

Video tearing nvidia GT 540M dual screen

Ill get right to the point: I have a laptop (Aspire 5750G) that I run dual screen on (the built in display and a Samsung SyncMaster 2043BW). Im running ubuntu 14.04 (installed yesterday) on a nvidia ...
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1answer
2k 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
151 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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0answers
20 views

Jerky, shaking display

Lubuntu 14.04 installed on an HP Pavilion a520n AMD Athlon (B) XP 3200+ 2.20GHz/400 MHz NVIDIA nForce2 IGP results in jerky and shaking display. Symptoms appear as soon as installation is started. ...
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2answers
45 views

Network Split Screen

I've got a PC with the newest Ubuntu installed and 2 Laptops. Is it possible to split the screen of the PC over Network to the 2 Laptops (and the standard Monitor of the PC which I normally use)? ...
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158 views

How to open Warcraft 3 with Wine in resolution other than 800x600?

I just installed Warcraft 3 with wine on Ubuntu 14.04 and when I open it via "wine war3.exe" it opens with the screen all messed up where i can see the desktop and a small corner of the screen. so i ...
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0answers
93 views

Secondary display doesn't work in Ubuntu 14.04

I want to connect my laptop to an external monitor, but when I connect it, nothing appears. In the display settings both built-in display option and mirror display option are greyed out.
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148 views

Help creating/adding new display resolution

Recently, I installed Ubuntu 14.04 on my 2011 MacBook Pro running Parallels (for the VM). However, when it installed, the only resolution available is 800x600. I would like to set the display to run ...
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1answer
465 views

Ubuntu mirroring two screens

I have two monitors: one build in display and oen oculus rift. What I want to do is test my oculus rift by mirroring my screen across both devices, however both devices don' t share any resolutions, ...
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0answers
122 views

Add custom resolution to built-in laptop screen in Ubuntu 12.04 LTS

My laptop is a Lenovo W530. I have just installed Ubuntu 12.04 LTS and after some problems, I managed to get it working at 1920 x 1080. However, this resolution is a bit too high for me, so I would ...
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0answers
31 views

Broken Display - Black Screen

I was changing some settings in CompizConfig and things were starting to look bad and kind of glitchy, so I clicked Reset to Defaults in CompizConfig and suddenly, everything disappeared except my ...
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0answers
99 views

setting up occulus rift on ubuntu

I have recently obtained an oculus rift development kit and would like to set it up to work on ubuntu, I have plunged in the hdmi cable and the power cable (it´s giving me a blue light), and now I ...
0
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1answer
18 views

An extra line appears on the leftmost point of additional display. How do I fix it?

I have a screen which I attach to my laptop. When I use the "Extend" mode, one column of pixels at the right end of the left display screen creeps up to the leftmost part of my right display. Its ...
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0answers
23 views

What is causing these display bugs?

Since I installed 14.04 I have some annoying display bugs. Everything works fine except for some stripes which appear sometimes in the window switcher and on the maximize button for example. Any idea ...
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0answers
133 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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0answers
96 views

Configuring two sets of mirrored displays

I'm trying to configure several Ubuntu 14.04 desktop workstations, each of which has a total of 4 monitors. I would like to configure them so that there are 2 independent screens, each of which is ...
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0answers
124 views

Ubuntu won't detect an external monitor at all

I am running Ubuntu on an ASUS laptop and when I try to plug in my monitor, the monitor will turn on and display no signal. When I go to display settings it will never show my monitor no matter how ...
1
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1answer
58 views

How to detect the vga signals [closed]

I am currently working on Ubuntu 12.10. We have functionality as we have two cameras (say left and right cams) for recording the videos which creates two different streams as stream-1 and stream-2. ...
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1answer
163 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
421 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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0answers
46 views

Display issue on PowerBook G4 running 10.4

I today I installed Ubuntu 10.4 on my 13in PowerBook G4 from a live CD. When I first booted from the CD I had no problems. I clicked Install Ubuntu and went through the process normally. When I ...
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33 views

Recent Update to 12.04LTS messed up desktop.

After a recent update on a VMware virtual machine, the desktop duplicating the images on the left hand side of the desktop on the right hand side. The right hand images do not respond to the mouse but ...
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0answers
289 views

Custom resolution doesn't add to display

I'm trying to add custom resolution to display, but it won't add. What I've tried so far : 1-firstly see my current resolutuins $ xrandr The output : Screen 0: minimum 8 x 8, current 1024 x 768, ...
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0answers
123 views

Can't change monitor to native resolution

I'm using a laptop running ubuntu 14.04 LTE, and I have secondary monitor LG Flatron M197WD, which according to the lg website can run in a 1366x768 resolution. This mode didn't show up in either the ...
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0answers
169 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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0answers
34 views

Launching Firefox leads to display issues

I've just installed Ubuntu 14.04 for the first time. I'm using a PC Chips motherboard, AMD 64 bit processor with 2 gigs of RAM. After logging in I see the desktop, but when I open Firefox I get a ...
3
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0answers
296 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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0answers
127 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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3answers
7k views

Flux for ubuntu 14.04 - possible?

Is it possible to make Flux work in ubuntu 14.04? If so, maybe you can share your knowledge or point me to a guide? (Flux is software which adjusts temperature of your display according to time of the ...
3
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1answer
2k views

Ubuntu 14.04 Unknown Display, nvidia graphics

I tried the @Golboth solution in this thread. Worked sometimes, it has an intermittent behavior, sometimes work, most of times doesn't work. Installed Nvidia drivers, Ubuntu detects the Graphics : ...
0
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1answer
16 views

Why does Ubuntu either detect the size of hosting OS window or not?

I have installed Ubuntu 12.04.4 under Oracle Virtual Box 4.3.12 and found that Ubuntu sometimes detects the size of hosting windows and sometimes not. I want it always detects. How to ensure this?
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1answer
73 views

Problems with the drivers, mouse and display

I have installed Ubuntu 14.04 alongside windows 8 in my laptop. These are the issues I am facing after the installation: 1- I am not able to change the brightness of the screen. 2- The cursor keeps ...
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0answers
58 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 ...
0
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1answer
85 views

What is causing my my screen to go black?

I have this Ubuntu (12.04.4) netbook hooked up to a 55" screen to display slides and info. It was running fine for quite a while and was set up not to go to screen saver or anything. I think there was ...
0
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0answers
2k 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
3k 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 ...
1
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1answer
44 views

I have a problem with my desktop [duplicate]

There's something wrong with my desktop. Yesterday, I was using my laptop (Toshiba Satellite L655) as usual. I have Ubuntu 14.04 LTS installed, and everything was ok. I never had any problem before. ...
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0answers
31 views

Compiz got removed by chance and ubuntu dashboard and other features are not working.(Ubuntu 14.04)

I tried the following getting compiz back after removing ccsm gives me an error like no module named pygtk I tried this as well Can't start unity from command line Tried this as well ...
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0answers
88 views

Blank screen while booting Ubuntu server 14.04 on Atom N2600

I just bought a Jetway computer with 2GB ram and 60GB SSD. It is intended to be used as firewall and I installed Ubuntu server 14.04 32bit on it without any problem. Booting starts perfectly with ...
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4answers
2k 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 ...
1
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1answer
159 views

Automatic display detection not working correctly anymore on Ubuntu 14.04 LTS

Is there a way to check history of all updates automatically installed by "Software & Updates"? Today after updating some packages, automatic detection of connected displays was somehow ...
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0answers
30 views

Ubuntu 14.04 gui not working after login [duplicate]

Yesterday I update ubuntu 14.04. It asked to restart the pc, after restarting it and logging into my account, only wallpaper is displayed. I tried the following by pressing ctrl+alt+f1 : sudo apt-get ...
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0answers
158 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 ...
0
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0answers
56 views

Multiple unity bars on 1 display since software update (ubuntu 14.04)

I am a new user of Linux (Ubuntu 14.04 LTS 64-bits, in a virtual machine under VMware Player 6.0.2 build-1744117 running in Windows 7 64-bits). Everything was working fine, but yesterday, I made a ...
0
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1answer
674 views

No TTY after installing NVIDIA Driver

When I first installed Ubuntu 14.04, I used the command line to install the nvidia drivers to my computer. Now, if I try to open any of the 6 TTYs, I lose all display and my monitor cuts off until I ...
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0answers
93 views

Gnome problem with 14.04

I got an install of 14.04 Server on my VPS. I then installed the GUI with: sudo apt-get install ubuntu-desktop, then installed VNC with vnc4server. Now I have this really, bugged gray screen instead ...