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.

learn more… | top users | synonyms

2
votes
0answers
272 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
86 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
41 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
vote
0answers
52 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
395 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
1answer
115 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
369 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
votes
1answer
174 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 ...
1
vote
0answers
155 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 ...
2
votes
0answers
200 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
1answer
192 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, ...
0
votes
2answers
480 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
votes
1answer
45 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
554 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
65 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 ...
1
vote
1answer
541 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
1answer
544 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 ...
4
votes
1answer
1k 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
45 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
votes
1answer
253 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 ...
25
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 ...
1
vote
1answer
570 views

Samsung SyncMaster 2033 Monitor Not working properly

I have a samsung sync master 2033 Monitor with a resolution of 1600x900 px. A few days earlier Ubuntu started behaving absurdly, It didn't recognise the monitor and now I'm stuck with 1024x768 px ...
1
vote
2answers
424 views

Ubuntu eye strain problem?

Hi I saw lots of posts here regarding Ubuntu eye strain issue. But none could answer my question. I use Intel i5 processor, AMD radeon Graphics card. When I use my Win 7, there is no issue with my ...
2
votes
1answer
358 views

Color Problems on New Install of 14.04

I'm new to Ubuntu (and Linux), and just installed it next to Windows 7 on my Dell Inspiron 5737. Everything seems to have worked great except that the color is very messed up on my screen. It is ...
2
votes
1answer
368 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 ...
3
votes
1answer
267 views

How to set custom display resolution normally

I need help with setting a custom display resolution on Linux Ubuntu, because I have a shitty TV which is actually 1080p, but 1080p looks like crap on it. However, 1776x1000 looks perfect, but Ubuntu ...
0
votes
1answer
180 views

Issue with plugging monitor on my laptop

I have a dell monitor (DELL E1913) plugged on my laptop (Dell XPS 13 developer edition, ubuntu 14.10). I have a mini display port - DVI adapter connected on my laptop, this adapter is plugged on the ...
2
votes
1answer
66 views

Glitchy screen when using DVI and main user

I recently got a new ASUS monitor, but I have a big issue when trying to get past the login screen. When using the HDMI cord this does not happen. When using the DVI I am able to see the login screen ...
0
votes
1answer
309 views

Use LG 24" LED TV as Primary monitor

I have a tv that has HDMI input, and a computer with VGA output. (Computer is a Dell Optiplex 360) I have scoured every related question to this forum and have not been successful in my attempt to ...
5
votes
1answer
3k views

Getting an Oculus Rift DK2 set up with Ubuntu 14.04

I have Ubuntu 14.04 installed and recently got an Oculus Rift DK2. While I have been able to use it as a monitor, I have yet to install any rift-related software because I do not know what to install. ...
0
votes
1answer
338 views

Multiple monitor mirrored as default

I've a laptop with intel graphic card and at home I connect it on an external monitor. Is there a way to have monitors mirrored by default? Now every time I boot I've to re-configure in this way. ...
0
votes
2answers
126 views

Ubuntu stuck with old monitor's max resolution?

I was using 1280x768 and it looked blurry. So I went to Displays and tried to change to the maximum resolution: 1366x768. But it threw a limit error. Only then I realized that was my old monitors ...
2
votes
0answers
219 views

How to get the current display output using the command line?

I'm writing a script in which I need to switch between two displays, but I can't find a way to get the information about the current active output. Pretty much like this: if Display0 is off and ...
2
votes
0answers
47 views

Black lines and white dots after installation

I just put ubuntu 14.04 lts on another desktop, it loads all the way up, once it comes to home screen the monitor after a few seconds goes to black lines and white dots ,can someone tell me what might ...
1
vote
1answer
86 views

How to make PXE boot auto detect monitors and setup dual monitors

I'm currently can boot a Ubuntu PXE. but the problem is with multi-monitors. I have to run xrandr command to get the dual monitors up. with suggest from How do I setup dual monitors in XFCE? xrandr ...
1
vote
1answer
788 views

HDMI ports stopped working on 14.04 updates

Situation is that my zotac box only has an hdmi port for the monitor, so this problem is hard to trouble shoot. If I load the original 14.04 LTS on the zotac box I full monitor capabilities through ...
3
votes
0answers
736 views

I'm unable to set 2560x1440 resolution on Intel HD 5000 using Displayport with PG278Q

I've just installed Ubuntu 14.04 LTS and I'm unable to get the monitor working. Screen works fine in BIOS and the same machine when booting to windows (before installing Ubuntu). I have tried the ...
2
votes
0answers
308 views

gcm-calibrate without hardware sensor

My monitor won't allow me to set the contrast when using DVI. And ubuntu/gnome won't allow me to set it via software without some fancy color calibration sensor. on system settings > color the ...
0
votes
1answer
192 views

monitor outgoing email

I have a VPS and recently I found some unusual activity looking at the /var/log/mail.log and so I installed pflogsumm to send a daily report and got this: Per-Day Traffic Summary date ...
0
votes
1answer
69 views

Monitor switches off and won't come back!

I have Lubuntu 14.04 running on a Sony VAIO VGN-FZ140E. My problems is: out of nowhere my monitor turns off, and no matter what I hit on the keyboard it doesn't come back. The only solution is to put ...
1
vote
0answers
156 views

Dual monitor screens are reversed only in login screen

Today I installed Ubuntu 14.04 on my computer. I have dual monitor setup, and they work perfectly when I'm logged into the operating system. But every time I have to login in the login screen, the ...
2
votes
1answer
332 views

How to do monitor brightness changes on the desktop like on the laptop?

On a laptop you usually have working keys for changing the backlight and you see OSD notifications while changing them. How to patch this up for “normal” desktops? How to get parts of this going?
1
vote
0answers
90 views

The resolution is squashed!

I just installed Ubuntu 14.10 from the .iso. It worked fine the first time, but the second time I booted it up, the resolution was really messed up. The monitor was displaying everything really ...
0
votes
1answer
448 views

HDMI stops working with my new Acer aspire E3-112

I bourght a new Acer Aspire E3-112. I use external screens both at home and at work. After installing Ubuntu everyting worked. I used it at home and at work. The second day when I got home the ...
1
vote
0answers
104 views

Ubuntu showing problems in connecting two external monitor

I am working with Ubuntu 14.04 on Dell E7240. I have connected two external Dell monitors E2211Hb but they both are not working simultaneously. Yesterday both were working fine and after some time one ...
0
votes
1answer
49 views

New to Ubuntu, got a few problems

So I built myself a lovely new computer, and decided to give ubuntu a go. So far, I'm confused. A quick google search left me with a headache. So here are my problems. Keep in mind that I'm ...
1
vote
0answers
368 views

How to get native resolution of a monitor?

My Ubuntu installation seems to have magically guessed my monitor's native resolution (it's the mode it's set to on startup). Unlike most, my monitor's native resolution is NOT its highest ...
2
votes
0answers
425 views

No HDMI video output from GeForce GT 330M - Ubuntu 14.04 LTS

I have a Dell Vostro with an Nvidia graphics card. Although the VGA output works fine, when I connect up a monitor on the HDMI output, Ubuntu (14.04 LTS) recognises it, but the screen is blank (no ...
1
vote
0answers
181 views

Monitor Printers remotely over SNMP in Ubuntu

We have a lot of printers in company and we want to monitor Page Counts, daily report,etc. we tested a lot of monitor tools but they did not meet our requirements, and we found this software for ...
1
vote
1answer
2k views

How to setup Asus MB168B USB monitor in Linux Mint? [closed]

is the first time I write here. I bought an external usb monitor http://www.asus.com/it/Monitors_Projectors/MB168B/; I have an Asus s56cb with dual boot, linux Mint 17 qiana and windows 7. On ...