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
votes
1answer
612 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
7 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
29k 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
9 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 ...
2
votes
1answer
56 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
0answers
13 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
78 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
18 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
628 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 - ...
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 ...
0
votes
0answers
10 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. ...
-1
votes
0answers
11 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 ...
0
votes
0answers
4 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
16 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
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 ...
1
vote
1answer
54 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 ...
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
17 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
votes
2answers
3k 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 ...
1
vote
2answers
857 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
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 ...
25
votes
2answers
23k 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
24 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
50 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
44 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
166 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
22 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
30 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
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 ...
2
votes
0answers
183 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 ...
0
votes
0answers
77 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 ...
2
votes
1answer
121 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
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 ...
0
votes
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 ...
0
votes
1answer
386 views

Black Display in Xubuntu 13.10

I installed Xubuntu 13.10 a while ago. Everything was great up until just now when I tried to connect to an external monitor. After connecting the VGA cable from my laptop to the monitor I tried to ...
0
votes
0answers
43 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
votes
1answer
80 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 ...
0
votes
1answer
16 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 ...
-1
votes
1answer
94 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 ...
1
vote
1answer
134 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 ...
0
votes
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 ...
1
vote
0answers
47 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 ...
5
votes
1answer
6k views

How to boot Ubuntu without a monitor plugged in?

How to boot an Ubuntu 12.10 without Monitor/Keyboard/Mouse I'm using as server and connect to it through Remote desktop viewer No problem with 12.04 but after the upgrade I receive the message Low ...
1
vote
0answers
65 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 ...
0
votes
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 ...
1
vote
1answer
695 views

nagios NRPE CHECK_NRPE: Socket timeout after 10 seconds

Getting following error on nagios server root@VMb:/usr/local/nagios/libexec# ./check_nrpe -H 54.255.1.99 -n CHECK_NRPE: Socket timeout after 10 seconds.
0
votes
0answers
49 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
votes
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 ...
0
votes
1answer
90 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, ...