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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3 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.
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0answers
17 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: ...
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0answers
39 views
+50

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, ...
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0answers
10 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 ...
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0answers
67 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 ...
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0answers
10 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 ...
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2answers
85 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. ...
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0answers
14 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". ...
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0answers
19 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 ...
3
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1answer
111 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 ...
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0answers
24 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 ...
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0answers
12 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 ...
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0answers
13 views

Why's the Launcher & Panel protrude over Fullscreen Video on Monitor 1 when clicking an application on Monitor 2

In Ubuntu with a 2 monitor setup, when viewing a video in VLC player or the default video player in Full screen on monitor 1, while also, perhaps, browsing the web in Chrome on monitor 2, clicking on ...
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0answers
7 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)
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0answers
17 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 ...
1
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1answer
59 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 ...
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0answers
18 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 ...
0
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1answer
15 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 ...
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0answers
18 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 ...
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0answers
29 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 ...
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0answers
55 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: ...
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1answer
46 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 ...
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0answers
24 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 ...
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1answer
32 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 ...
1
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0answers
31 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. ...
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0answers
26 views

Monitor no image 14.04

Just built a new computer, FX-6300 cpu and an r9 280 gpu, I'm using the open source drivers on the gpu with Ubuntu 14.04. I had originally plugged it into my TV and if worked fine except for the ...
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0answers
20 views

Ubuntu 14.04 gets a pegged CPU exactly when I plug in a new monitor

It used to work fine with an old TV screen I had with a VGA input. Didn't use it much, rather I'd VNC in normally. Recently got a new Dell monitor and I am absolutely baffled by how the CPU spikes the ...
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1answer
167 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 ...
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0answers
87 views

Could not apply the stored configuration for monitors

Could not apply the stored configuration for monitor: Error on line 1 char 1: Document must begin with an element (e.g.). http://i62.tinypic.com/jt5vkn.jpg I get this error on start-up. Whats ...
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0answers
44 views

Dual monitor problem with windows scale

I'm using Ubuntu 14.0.4 LTS and I have 2 monitors. My build in monitor (from laptop) with a resolution of 1366x768 and a second monitor with a resolution of 1920x1080. My problem is that I believe ...
0
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1answer
17 views

When I turn the monitor on, I get an “input out of range”, how do I fix this?

My computer was working fine a few days ago but now when I turn it on it displays: input out of range I don’t know what the problem is and have tried unplugging and plugging all the cords but it ...
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1answer
100 views

Disable auto sleep and monitor turning off from C++ code

I develop [cross-platform C++ Qt-based] application which plays video using libVLC. When i watch video for a long time, my monitor is going to turn off according with power management settings. I want ...
0
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1answer
82 views

ubuntu 14.04.2 with dual monitor - doesn't log in

I have Ubuntu mate (based on Ubuntu 14.04.2) on my Lenovo laptop. I also have an LG monitor connected to the VGA output. I am experiencing something weird with this set-up. The problem is that when I ...
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0answers
53 views

Screen does not come back on after overnight on HP Z230 workstation

I'm on Ubuntu 14.04.2 on a HP Z230 workstation with dual monitors. Very often in the morning, the screens are just blank and don't seem to wake up from suspend / power save mode. To fix it, I need ...
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0answers
71 views

Ubuntu can't detect my second monitor

I know that there were already several people with the same problem, but I couldn't figure out how to solve this problem myself. I am a complete beginner with Linux and Ubuntu (I am using 12.04) and ...
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0answers
53 views

Laptop Monitor Flicking then turning completely black when using Ubuntu

When I am using my Ubuntu on Virtual Box, my laptop screen blinks then turns black. The only way I've found to be able to bring my laptop back is Ctrl +alt +del. The laptop is still on but the monitor ...
0
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1answer
100 views

How can I make xubuntu ignore DisplayPort monitor being turned off?

I have a desktop machine (Dell T5600) with an Nvidia graphics card (Quadro 2000), and two monitors (Dell 24"), and I'm running xubuntu 14.04. If I switch off a monitor connected with DisplayPort, ...
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2answers
108 views

use laptop monitor connecting to my old desktop(which is without monitor)

I want to use my laptop monitor to work on my old pc, which has no monitor. I have all devices keyboard, mouse, connected to my old computer cabinate, running ubuntu. I have only VGA & USB support ...
0
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1answer
32 views

Xubuntu installation monitor problem

I have an old PC (Intel Celeron 1.7Ghz, 512+128Mb RAM, 40GB HDD) running Windows XP and I am trying to install XUbuntu 14.04 using UNetbootin booting the .iso image from the HDD. It boots well and the ...
2
votes
1answer
129 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
votes
1answer
41 views

Monitor resolution through terminal [duplicate]

How can I force Ubuntu to apply a specific monitor resolution through terminal? In my case I have a monitor of resolution 1600*900@60fps but Ubuntu shows only two resolutions both awkwardly lower ...
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0answers
16 views

How do I calibrate ubuntu screen for a comfortable PDF reading? [duplicate]

I don't want a complete workaround , but how can I calibrate my ubuntu for a better reading in document viewer ? I am using ubuntu 14.04 , I feel sleepy after a while and my eyes hurt sometimes. I ...
1
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1answer
139 views

Monitor Does Not Wake Up

I have Xubuntu 14.04 installed on two PCs, each has its own monitor, different brands. With both PCs, if I turn off the monitor by power switch, turning it on does not work. In other words, when I ...
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0answers
96 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 ...
0
votes
1answer
102 views

Ubuntu does not change refresh rate , causing Eye strain [duplicate]

I tried Every solution on AsKuBunTu. The reason why I am asking the question is : No answer solved my issue. I started Ubuntu which causes eye strain(same time spent on Win-7 never caused eye ...
2
votes
0answers
201 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 ...
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0answers
43 views

Ubuntu 14.04.1 amd64 on HP PAV 500 with HDMI installation problem [duplicate]

I have 14.04 as in title and I am trying to install this OS on HP as in title. What I can do is: Start booting, Choose install than after few minutes the dialogue on monitor disappears, Choose try ...
0
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1answer
96 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 ...
22
votes
3answers
2k views

How do I measure dimensions on screen without using a ruler?

I have an image on screen, and I want to measure its width. Of course I can use a ruler, but that's whimsical and slow. Is there something where I can click a shortcut key, drag out an area, and it ...
0
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0answers
116 views

Qnix monitor, xorg.conf, and lightdm question

I am trying to install my Korean Qnix qx2710 monitor. From what I'm getting, I need to create a custom xorg.conf file with a modeline generated by cvt in order to get the NVidia driver to recognize ...