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

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2
votes
0answers
830 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
vote
1answer
366 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 (...
0
votes
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 ...
1
vote
0answers
938 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, ...
2
votes
0answers
298 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 '...
1
vote
0answers
236 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
votes
1answer
593 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
votes
0answers
339 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
votes
3answers
59k 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
votes
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?
0
votes
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
votes
1answer
177 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
votes
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 ...
1
vote
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. ...
5
votes
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
vote
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....
0
votes
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 ...
1
vote
0answers
117 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 ...
1
vote
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'...
1
vote
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 ...
1
vote
0answers
204 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 ...
0
votes
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
votes
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
votes
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, ...
1
vote
0answers
227 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 ...
1
vote
0answers
123 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 ...
1
vote
1answer
232 views

Monitor Out of frequency when installing os from DVD

I am trying to install Ubuntu 14.04 on my friend's PC which has CRT 14" LG monitor but When it boots form DVD, I am getting following error: Also when Using option "Try Ubuntu", Getting same error! ...
-2
votes
1answer
5k views

Trying to install Ubuntu 14.04, monitor says mode unsupported/out of range [duplicate]

Monitor says mode unsupported/out of range during installation of ubuntu 14.04 and never boots to the ubuntu desktop.
1
vote
1answer
553 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 ...
0
votes
1answer
204 views

When will ubuntu fully support high resolution displays

I've tried tinkering with font sizes in the unity-tweak-tool and changing the scale in the display but have been unable to find a workable solution. Will there be proper support for this in the ...
0
votes
1answer
2k views

Display Problems running Ubuntu 12.04 in Windows VMware Player

I am posting this again because I have changed to VMWare Player and I discovered something new. I am running Ubuntu 12.04 LTS (Guest) in VMWare Player 6.0.2 on Windows 7 64-bit Host. I have VMWare ...
1
vote
0answers
1k views

Adding 1600x900 screen resolution

I am new to Ubuntu. I have a Dell 17r se laptop with 1600x900 resolution. I use vmware to run Ubuntu 14.04 Lts on Windows 8.1 using Vmware. I have hd4000 and Nvidia 650m gpu in my laptop. Now the ...
2
votes
0answers
53 views

Display Problems

I am running Ubuntu 12.04 LTS (Guest) in VMWare WS 7.1.2 on Windows 7 64-bit Host. I have VMWare Tools installed properly and have been using them for years. I have unchecked 3D Acceleration -- never ...
2
votes
0answers
63 views

Can't adjust Resolution on a virtual Ubuntu 14.04 [duplicate]

I have recently created an Ubuntu Virtual Machine, but the resolution is way off, and I am not able to change it to a more appropriate size. My host machine is a MacBook pro running 10.7.5 with a ...
1
vote
2answers
13k views

Ubuntu 14.04 boots to black screen after upgrade from 13.10 - no display, problem seems to be X connected

I just spent a day trying to work around my newly upgraded Ubuntu 14.04 booting into a black screen without success and becoming seriously desperate. What I did: Upgrade to 14.04 LTS from 13.10 via ...
-1
votes
1answer
92 views

Computer starts, then asks for login, and then crashes

I recently replaced my REALLY old windows OS with Ubuntu, and it looks like it works at first glance. When I attempt to log in, however, it accepts my username and password, then goes into what I ...
1
vote
0answers
29 views

Ubuntu 12.04 Server monitor goes into sleep mode (no display) after fresh install [duplicate]

For some reason I can boot and either use Ubuntu 12.04 server edition, or desktop version. I can live boot the disk, I can go through the installer, or even use the ubuntu alternate installer. But ...
2
votes
1answer
90 views

How can i make VM to fully cover the screen in KVM?

I installed Debian Wheezy in KVM using virtual machine manager. VM doesn't fully cover the screen, with large gaps in both sides of screen as seen in pictures below. How can i make VM to fully cover ...
1
vote
0answers
82 views

Why do my display settings revert after I reboot?

Specifically, I have to set which of my two monitors is on the right every time I reboot. I'm using gnome-control-center, in Gnome3. Ubuntu 14.04. Why are my settings being reverted when I reboot?
1
vote
0answers
427 views

how to scale all controls equally with high resolution display setting?

I've had some success using Unity on a high resolution display (mac retina) by adjusting the 'Scale for menu and title bars' ratio (see image below); however, some of the icons (including sliders and ...
1
vote
1answer
2k views

Low display resolution in Ubuntu 14.04

Recently I installed Ubuntu 14.04, but its graphics/display resolution is too low. I am getting only 2 options in my Appearance setting, i.e. 1024x786 (4:3) and 800x600, with Unknown Display option. ...
1
vote
1answer
2k views

Wrong resolution on ubuntu 14.04

I have installed Ubuntu 14.04 LTS on my system. My graphics card is an NVidia 8800GTS. For some reason ubuntu detect that my screen resolution is up to 1024x1280. I have already installed the NVidia ...
0
votes
1answer
96 views

Touch screen and two monitors

I'm using Xubuntu 12.04.4. I have two monitors (one touchscreen and one regular). I've used xrandr to set regular screen right of touch screen, so extended display. Now ubuntu thinks the entire ...
0
votes
1answer
198 views

Wrong display diagonal size

Absolutely new to Ubuntu and Linux in general, but the side menu and top menu do not appear on the screen. I have tried finding a way to fixcitcwith xrandr, but no luck so far. The displays menu shows ...
1
vote
1answer
49 views

How to get all ubuntu programms back to fullscreen size after I'm not sure what I did?

I somehow managed to loose the ability of all my programs to resize on Ubuntu. Not sure what I did, but I thought I saw a popup open and being blocked in Firefox and after that all my programms ...
1
vote
0answers
326 views

external laptop monitor stays black after screensaver powers it off

I have a Dell XPS 14 with two HDMI outputs and two external monitors. I'm running 12.04, fully updated as of 2014-05-26. Here's what xrandr -q reports: xps% xrandr -q Screen 0: minimum 320 x 200, ...
1
vote
0answers
125 views

Dual External Monitor Bumblebee/Nvidia (or withoout Bumblebee)

I have installed and configured Bumblebee on my Dell XPS 17 with an Nvidia GT555m. I would like to use my two external monitors with the laptop closed, but it's giving me all sorts of difficulty. Is ...