Questions that relate to the electronic display (sometimes called a visual display unit) for computers. Typically questions relate to visual issues such as flickering, resolution, black-screens together with the usage of single and multiple displays.

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0
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0answers
24 views

Can't get my native screen resolution on 15.04

I installed Ubuntu 15.04 after using Windows 8.1 for some time. Now, my main problems is, that I can't get my native screen resolution which is 1440x900 :/ On Windows I could do it without any ...
1
vote
1answer
12 views

Screen has broken color set after a while - Ubuntu 14.04

After a while of no activity the screen locks, but when I log in the screen looks like this: :D I am sure it is something with the software, not the hardware as I have never experienced similar ...
0
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0answers
6 views

How to calibrate monitor in Ubuntu Mate

Question: How can I calibrate my monitor in Ubuntu Mate without extra hardware? Details: I have installed gnome-color-manager but no gui is available and I can't find an ICC profile file for my ...
3
votes
0answers
39 views

Spyder5 Monitor Calibration Ubuntu 14.04

I tried to get the Spyder5Express running under Ubuntu 14.04. Installed is dispcalGUI and the Argyll_V1.7.0 software. Unfortunately the device is neither detected in the GUI nor in the Terminal. I ...
0
votes
0answers
11 views

Laptop monitor loses connection and cannot reconnect

I have bought a Lenovo Y40, and it seems to be having a problem with the flex in the lid hinges. The issue is that sometimes when I move the lid in some direction, it shows wired black and white ...
5
votes
1answer
51 views

Why isn't Gnome Color applying my color profile?

I'm trying to use the Gnome Color (default Color app in /usr/bin/gnome-control-center.real color) to manage my laptop's color profile. However, only some of the color profile actually change the ...
3
votes
2answers
6k 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 ...
2
votes
2answers
3k views

Correct Display configuration. Errors while trying to arrange displays

I am trying to set up my tv with my laptop trough a VGA cable. The display application in Ubuntu throws a lot of errors to me and I have given up in trying to do it myself. I try to apply the 1920 ...
0
votes
0answers
25 views

Possible to add an additional a 4K 60hz monitor on Trusty Tahr?

I have a 1920x1080 and a 1920x1200 monitor on my current Ubuntu 14.04 setup, and I'm thinking of adding a 3rd monitor as my main, preferably a 4K screen at 60hz such as the Dell P2715Q Have you guys ...
6
votes
2answers
769 views

How to have launcher on non-primary screen?

I'm running Ubuntu 12.04 LTS on one computer with two monitors. I've found the place in settings where I can set the "launcher placement" and the "primary" monitor (using the black bar); however, I ...
0
votes
0answers
24 views

Widescreen problems on 14.04 lts

I'm having trouble with setting up my widescreen monitor for Ubuntu. Mine is running normally (and when it blacks out due to different reasons it displays it as native) on the 1366x768 resolution. The ...
0
votes
2answers
41 views

How can I tell ubuntu to use only the external monitor?

I use ubuntu 14 with an external monitor. It seems there is some problem with the internal graphics so I want to tell ubuntu to use only the external monitor which is connected with hdmi. How can it ...
1
vote
0answers
33 views

How To Increase Screen Resolution?

I have a 1600x900 monitor attached to a 1280x768 laptop, only the latter resolution is available, how do i increase it to my monitor's max resolution? the xrandr result is: Screen 0: minimum 8 x 8, ...
1
vote
0answers
104 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
0
votes
0answers
33 views

Dual Monitors Stayed Mirrored

I am running a T450 with Intel HD Graphics 5500 with Ubuntu 14.04 LTS. I am also using a Lenovo Ultra Dock that supports a DVI input and a VGA input. Whenever I connect two monitors to both the DVI ...
1
vote
0answers
24 views

I cannot see my menus or apps in ubuntu 15.04 [closed]

This occurred after having my ASUS connected to external monitor which is often problematic.
0
votes
2answers
4k views

Second monitor recognized but only black screen

I am running 12.04 on a Toshiba Portege laptop. The graphics card is an Intel 945GM/GMS. The 2nd monitor is an Asus (Ancor Communications 22"). When I connect the monitor to the computer the monitor ...
0
votes
0answers
16 views

drivers for HP U160 USB monitor

Somebody know if exists a driver for HP U160 USB monitor ? I've used this monitor as secondary in windows but now that I changed my OS to Kubuntu 14.04 I'm not able to configure and use it.
7
votes
0answers
77 views

Launching some programs turns monitor off and on (like for a resolution change)

I just upgraded from 14.10 to 15.04 and one of the first things I noticed is that the monitor often behaves like it was changing the resolution (a click sound from inside the monitor, black screen, ...
1
vote
0answers
53 views

Display color calibration error “unknown calibration display type selection”

Fresh installation of Ubuntu 15.04. Running Settings-Color-Calibrate Have "Eye-one display 2" sensor connected and working. Getting the message during step be step calibration configuration: ...
2
votes
2answers
125 views

Ubuntu 14.04 with unrecognized monitor (or without monitor) - boot problem

I've Ubuntu 14.04 installed on my computer. I need to start it even if not any monitor is plugged. Basically I need to do that because at the startup my monitor isn't recognized but plugged in. ...
1
vote
1answer
63 views

How can I mirror one of the screens in a 3-monitor setup?

Is it possible to have 2 extended monitors and get the third being a mirror of one of the two extended? I'm pretty sure it's not possible through the interface but it may be possible through ...
0
votes
0answers
232 views

Resolution Scaling on 4k Laptop

I've tried following directions at https://wiki.archlinux.org/index.php/HiDPI and http://www.makeuseof.com/tag/linux-hidpi-support-for-gnome-kde-xfce-cinnamon-and-firefox/ to make my Ubuntu ...
1
vote
0answers
15 views

how to stop automoving opened windows when second monitor connected in ubuntu 14.04?

I am running Ubuntu 14.04 on my notebook and when i connect external monitor if it has "left" position configured, all opened windows move to external monitor, if external monitor has "right" position ...
0
votes
1answer
628 views

Lubuntu dual monitor doesn't save config

I'm using Lubuntu and I have a external monitor (connected using HDMI) to my laptop. Everytime I enter on Lubuntu, both laptop and Monitor are turned on. What I do: I go to Menu > Preferences > ...
1
vote
0answers
16 views

Having two x-servers although booting with second monitor turned off (and turned on later)

I'm using a GT 730 chip with two monitors - LCD on DVI and TV on HDMI. The LCD is the main monitor and it is used all the time for work and browsing. The TV is used occasionally, for movies, so it is ...
10
votes
5answers
30k views

Adjusting display geometry in a virtual machine?

Running 11.04 beta in a Parallels 5.0 virtual machine, but this question will apply to any virtualization software. Parallels 5 Linux tools (guest additions) don't work for 10.10 and 11.04 and I ...
0
votes
0answers
40 views

When remote user connnects through teamviewer monitor turns off

When someone connects to me through Teamviewer my display turns off. I have tried reinstalling the Teamviewer but it doesn't work. I thought it might get fixed after upgrading the Ubuntu from 12.04 to ...
1
vote
0answers
28 views

Dual monitor with single motherboard (VGA and HDMI) black fews second when select “System Settings” in menu bar

I had single motherboard to use dual monitor WITHOUT additional graphic card. One monitor export VGA and another monitor export HDMI. It perform normal but only when selecting "System Settings". ...
3
votes
1answer
137 views

Ubuntu Phone as PC

I feel "smart-phones" are computers, but none of OS is made to support desktop applications. Will Ubuntu Phone have that feature in near future. Will we be able just to connect phone to a monitor and ...
1
vote
0answers
37 views

Run Ubuntu without monitor? Want to remote it with RealVNC

Friends, I am totally new to Ubuntu but I want to use it on an old computer of mine to run Plex Media Server to stream movies to my Chromecast. I have managed to install everything and it was all ...
0
votes
2answers
666 views

PROBLEM(13.10) : external monitor not working [- nouveau-driver on macbook pro]

I am using Ubuntu 13.10 on a macbook pro. Would like to install external monitor VGA with the mini-port. no success. Trying: Settings→displays - nothing recognised. Trying xrandr --auto - ...
0
votes
0answers
20 views

Screen 'pushed' towards the right, black bar on the left

I know this is a monitor/TV setting but my monitor doesn't have settings to change where the picture is. Is there a Ubuntu equivalent to move the picture over? Also, I have tried playing with all of ...
4
votes
4answers
3k views

Removing the Black Bar at the Top of the Screen [New Found!]

[New Found!] 1. When I set to others instead of 1440x900 (16:10) or 1280x800 (16:10) revolutions, the black bar must disappear. 2. When I set to 1440x900 revolution, the black bar must exist. ...
0
votes
0answers
8 views

How to disable top bar on second monitor?

I did a search and most answer are from back 2011, is there a way to disable the top bar on a second monitor now? I tried digging around but couldn't find anything. (linux newbie)
0
votes
0answers
33 views

Dual Boot with Windows 8.1 - Secondary Monitor Resolution incorrect

Yesterday I installed Ubuntu for dual boot on my computer. When I am on Windows 8.1, my secondary monitor has a resolution of 1024x768 but when I go into Ubuntu, the secondary monitor only gets a ...
0
votes
1answer
23 views

Mouse flickering on one monitor

I've done quite a bit of googling to find a solution to this but couldn't find anything. I have two monitors, an LG one and a Samsung one and my mouse disappears and flickers on the Samsung one. Also ...
1
vote
1answer
66 views

How to measure battery life on Ubuntu 14.10

So, I am rather happy with my battery life. I just want to know how I can measure how much time I actually get out of it. All the posts about battery life and Linux/Ubuntu/etc seem to be about ...
0
votes
0answers
20 views

Login screen only appears on TV

I've been using ubuntu for a couple months and when I first installed it everything seemed fine (or at least easily fixable.) Somewhere after the install I bought a DVI to HDMI cable and hooked up my ...
1
vote
2answers
919 views

I need a netspeed indicator for Ubuntu 14.04

I have a 3G mobile broadband connection that keeps changing network speed according to location and time and so I relied heavily on this applet ...
0
votes
0answers
26 views

MacBook Pro 8,2 dual boot with Ubuntu - why is there a 2nd monitor?

After installing 14.10 on a separate partition, Ubuntu is detecting a 2nd display that doesn't exist. I can move my mouse and windows to it just as if I did have another monitor connected. If I ...
26
votes
2answers
24k views

How to set the monitor to its native resolution which is not listed in the resolutions list?

After installing Ubuntu 10.04 with my Samsung SyncMaster B2030, native resolution (1600X900) is not found in the list of resolutions.
0
votes
0answers
41 views

When I enable Second monitor, Main monitor mouse flickers

Im making the transition between Windows 8.1 and Ubuntu, I made a dual boot so I can play my games in windows, and use Ubuntu as the main OS. I had a few problems setting up my second monitor with ...
1
vote
0answers
67 views

At screen Resolution of 1366x768 monitor is flickering

My monitor starts flickering at higher resolutions but not in lower resolution like 1024x768 Below is the output to: sudo dmesg | grep -i 'Graphic\|video\|VGA\|error\|fail' [ 0.127671] DMAR: ...
0
votes
1answer
51 views

Ubuntu 14.10 x32 Nvidia Screen Resoulution Problem

I am using Ubuntu 14.10 32bit System. After Installing Nvidia 340 Driver for Nvidia Geforce 6150se nforce 430 my system is working fine, but there is little problem my screen is not full, left and ...
0
votes
1answer
180 views

Ubuntu 14.04 — 2 Monitors only acting as 1 monitor

So this is an issue of both my monitors ARE working, but they're being treated as if they're one monitor with a resolution of 3840x1200 * 1 instead of 1920x1200 * 2. I'm looking for the standard setup ...
0
votes
0answers
25 views

14.04 update killed gui

R9 280 GPU Ubuntu 14.04 LTS did updates and broke my GUI. No unity no right click. My background on one screen and black on the other. Got an error about couldn't apply monitor settings then followed ...
1
vote
0answers
32 views

Display Settings on AC and Brightness key

I have recently installed Xubuntu 14.02 on a Lenovo Thinkpad E555 I got everything working however I have had these problems: When connecting AC power to the computer the Display Config comes up. ...
0
votes
1answer
33 views

Tried Ubdating Kernel; Now, Desktop won't load on startup

I get a blank black screen and a message that says "could not apply the stored configuration for monitors required virtual size does not fit available size" and says it can't use 3840xy and it's ...
2
votes
0answers
269 views

Can't select 2560x1440 resolution even though I know it's possible (I have proof!)

I have a new monitor, (the Dell U2515H) which I'm trying to drive at 2560x1440 resolution (just 30hz) over HDMI using only the onboard graphics on my machine (Intel HD4000 found in the ivy bridge ...