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

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352 views

Duplicated desktop, ubuntu 14.04 in VMWare

I am operating Ubuntu 14.04 through VMWare Player version 6.0.3 on a Windows 7 OS. Yesterday, I installed GIMP through the Ubuntu software center. After opening a couple of jpegs to do some simple ...
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0answers
360 views

how to set default screen resolution in Kubuntu 14.04

OK, so I found the new screen resolution setting button, thank you, but now I need to know how do you make it stay. Every single time I reboot it resets the resolution back to some strange default ...
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0answers
253 views

Multiple Monitors Detect Add Remove Laptop Auto Change Nvidia X Server Settings

Physical Setup; 4 monitors, 1 laptop, 1 hdmi switch box, 1 graphics card used for all 4 displays. Monitors listed in nvidia x server settings as; CRT-0, DFP-1, DFP-3, DFP-4. Short description of ...
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1answer
223 views

White pixels at left border in gnome flashback

I run the Gnome Flashback with Metacity session. I just upgraded from 12.04 to 14.04.1. After the upgrade, when I have an application maximized, there sometimes appears a little 1-pixel-wide white ...
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2answers
815 views

Ubuntu 14.04 display issue from VMWare console

I wonder if some can help with my problem. I am moving over my business infrastructure from Microsoft products to Ubuntu 14.04, although I am also trialling CentOS and straight Debian too. I currently ...
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0answers
77 views

No desktop display

I upgraded 12.04 lubuntu to 14:04. There was no desktop so I downloaded nautilus. The display now shows gtk-warning cannot open display What do I need to do to get my desktop working?
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1answer
58 views

Display Problem

Having just installed Ubuntu 14.04 on my Novatech laptop, I find that all display content is larger than it should be. When displaying a single page, I cannot view the extremes as they are outside ...
0
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1answer
46 views

Display challenges after Ubuntu 12.04 updates

first posting to this board and a newish Linux user. I am running Ubuntu Version 12.04 LTS via Virtual Box version 4.3.12 r93733. It just went through a series of updates and after restarting my Dash ...
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1answer
96 views

12.04 displaying video via with vga with optimus disabled but external display not detected

I have a Dell vostro 3446 notebook with nvidia optimus. Since I do not need the capabilities of the dedicated gpu, I have blacklisted the nouveau driver and switched off the nvidia gpu with bbswitch(...
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1answer
133 views

How to restore battery status indicator in landscape mode?

On an Ubuntu 12.04 system, I rotated my beagle board screen display to landscape mode and now the battery status indicator applet is disappeared. Is there any simple applet program to display the ...
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1answer
26 views

ubuntu detect my new display and I lost all around my working screen

I recently changed my display to a new one. (It is a tv used as monitor too.) Ubuntu detected it correctly as a 40 inch tv. But on any program that I open, I lose the view of all edges of the screen,...
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0answers
394 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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2answers
6k 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) ...
0
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2answers
894 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
176 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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1answer
1k 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
352 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
59 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 ...
0
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1answer
19 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
27 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
199 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 ...
2
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0answers
849 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 ...
1
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1answer
371 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
2k 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
958 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
304 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
240 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). ...
3
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1answer
596 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. ...
3
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0answers
341 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 ...
42
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3answers
61k 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 ...
5
votes
1answer
8k 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
20 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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2answers
114 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 ...
0
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1answer
186 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 ...
2
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0answers
7k 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) ...
2
votes
1answer
9k 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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1answer
56 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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5answers
7k 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
247 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 changed....
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0answers
40 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 ...
2
votes
1answer
4k 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
118 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 ...
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0answers
192 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 don'...
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0answers
50 views

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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0answers
209 views

Opening Firefox on second display at startup

I have attached two monitos: 1 dvi (primary) 1 HDMI. I have added this at startup app list to load Firefox at bootup: firefox -P TV -url "http://mylocaldom.com" -no-remote This is the output of ...
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1answer
1k views

Can't see desktop

I tried to remove the guest account following the instructions on this page Removing Guest Session at login in Ubuntu 14.04 I followed the steps and then restarted the laptop. As usual the Lenovo ...
2
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1answer
1k views

Ubuntu on VMware Fusion resolution not changeable from 800x600

On Ubuntu in "Systems Setting" --> "Display", I only see 800x600 resolution option. As I change the size of the VM window, it just expands/shrink accordingly, maintaining the same ratio (800x600) that ...
2
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2answers
2k views

Display bug on resolution > 800 / ubuntu 14 on VMware

I moved a VM to a laptop (1366x768). Now I have a problem with the resolution. Everything is ok on 800x600. If I change the resolution to something higher than 800 (eg: 1024x768..), then, ...
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0answers
231 views

Lubuntu: my screen needs a serious reset

I am building my own custom Lubuntu (based on lubuntu-14.04-desktop-i386.iso) system image under VMware 8. It works fine, except the system a nasty tendency of screwing up the display IF I relogin ...
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0answers
124 views

How can I change power settings automatically while running VLC in Xubuntu 14.04 64 bit

I am using Xubuntu 14.04 64 bit. I usually play video using VLC media player. The problem I am having is, after 10 or 15 minutes computer turn off its display, even the video is running in the ...