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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2
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0answers
17 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 ...
0
votes
0answers
9 views

Java Application not opening on correct monitor (Ubuntu 14.04)

I have a fresh install of Ubuntu 14.04 LTS (x64) and when I create apps that spawn windows in java (using JavaFX or Swing) they are created in the wrong position. I noticed that there is no longer a ...
1
vote
1answer
19 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 ...
0
votes
0answers
19 views

Couldn't Configure SNMP in Ubuntu

I'm trying to monitor Ubuntu server 12.04 via Solarwinds sever which requires to enable SNMP on the Ubuntu. I update the following line in the /etc/snmp/snmpd.conf : rocommunity secret 10.0.0.0/16 ...
0
votes
1answer
124 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 ...
2
votes
0answers
75 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 ...
0
votes
0answers
14 views

monitor problem

i have a laptop with non working screen so I put an external one , after this I put the latest UBUNTU. the problem is that I want only the external screen work, but cant do it, if I open SKYPE this ...
1
vote
0answers
13 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
0answers
24 views

Change resolution if external monitor is connected

I would like to automatically change my screen resolution when an external monitor is connected to my laptop and turn off the internal monitor. I have written the following little script which is run ...
0
votes
1answer
14 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
0answers
24 views

External monitor recognized but it does not receive signal

I run Ubuntu 14.04 on my Lenovo X1 Carbon and attach an external monitor through miniDisplay to VGA adapter. Ubuntu recognizes the monitor but the monitor does not always get the signal (e.g. in my ...
0
votes
0answers
23 views

Monitor Resolution

I plugged my TV in to use as a monitor (as my regular monitor is rubbish), but there's no way to increase the screen resolution beyond 1024x768. Surely there's a way to do this, I know my TV can ...
0
votes
0answers
29 views

Monitor flickering after upadating to 14.10

I just updated to Ubtuntu 14.10 and now I have a few problems. The monitor is flickering when I am watching videos in full-screen mode with silverlight and also when I am using an openGL based game.
0
votes
0answers
20 views

Toshiba 40" tv as a monitor, keep losing antialiasing

I have a toshiba 40" tv that ive been using as a monitor and have a strange issue. Every time I turn the tv off I lose all antialiasing in my session and have to restart compiz and sometimes relog to ...
0
votes
0answers
7 views

What is wrong with my monitor?

My monitor refuses to come back on after I close the lid of my hp-envy-m6. After opening the lid, the I'm supposed to see a login screen but the whole monitor is off like there's no power while the ...
0
votes
1answer
24 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
38 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 ...
0
votes
1answer
26 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?
0
votes
0answers
63 views

Problem switching to external monitor in Ubuntu 14.04

I usually use an external monitor to watch videos from my DELL Studio 1537 laptop. I just use the Fn + F8 combination to switch to the external monitor and I didn't use to have any problem. Since I ...
1
vote
0answers
35 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
0answers
21 views

Monitoring a screen session

I'm very new to Ubuntu and I haven't really found something that I'm looking for. Basicly I am searching for a bash script that will monitor a screen session based on it's name. As soon as the bash is ...
0
votes
0answers
21 views

How do I completely update my ubuntu software?

This is a dual fold question. May someone guide me to the right source? When m Ubuntu was instailled, it overwrote Windows 8, but partially. I wanted Windows 8 completely gone. I can tell that Ubuntu ...
0
votes
0answers
136 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 ...
0
votes
0answers
43 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
44 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 ...
0
votes
0answers
84 views

HDMI Monitor Signal Lost after login screen

I am using KDE Desktop, everything up to date. I just installed a Geforce 210 1Gb memory with HDMI output in order to connect to my Asus monitor. I also installed Nvidia propietary drivers (331.38). ...
1
vote
0answers
36 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 ...
0
votes
0answers
73 views

Playing 3D HSBS video with an active 3D monitor

I'm currently using the built-in 3D function of my monitor to watch 3D half side-by-side movies and it ruins the subtitles. I tried VLC's anaglyph 3D but it just make their colors red and blue which ...
0
votes
0answers
29 views

Monitor loses sync after interrupting sleep

Dell 6400 with Dell monitor, dual boot with Ubuntu (14.04) and ms XP. No problems with displays except when waking up from sleep - any ideas?
0
votes
0answers
69 views

Ubuntu 14.04 external monitor always reconnect

I just updated my Ubuntu 13.04-x64 to the new one 14.04.-x64. The installer asked me if I wanted to keep home-path / programs/ configs. So I did. Now my external HDMI output seems to cause trouble. I ...
0
votes
0answers
26 views

Lubuntu Bootloader “Settings out of range”

I've installed Lubuntu 14.04 on an old PC replacing Windows XP. On turning on the PC, the monitor shows an "Out of range" warning for a few seconds before the Lubuntu with dots screen appears, then it ...
0
votes
0answers
25 views

Newbie question on USB Mouse

So I'm a total newbie to Ubuntu - installed it last night - and I've ran into a few problems: Firstly, I have two monitor displays connected to my computer. Monitor 1 works fine - mouse and keyboard ...
1
vote
0answers
210 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
43 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 ...
0
votes
0answers
68 views

How to change default monitor

I have an Asus laptop with intergrated intel graphics and a nvidia GEFORCE GTX 760m. Im using the intergrated monitor aswell as a monitor hooked up with HDMI. They're both working fine i just can't ...
0
votes
1answer
327 views

How to setup Asus MB168B USB monitor in Linux Mint?

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 ...
0
votes
0answers
106 views

Low resolution after upgrading from 13.10 to 14.04

I am having difficulties after the upgrade from 13.10 to 14.04 - resolution is set to 640x480 and I can't change it neither from Displays nor using xrandr (xrandr says that current, lowest, and max ...
0
votes
0answers
272 views

Display calibration in Ubuntu 14.04?

I'm experiencing problems with my display. My monitor displays weird whites. In windows I can use Calibrate Display Color wizard and set the color balance of rgb to extreme low to fix it but cant ...
0
votes
2answers
155 views

How to lock without turning the screen (monitor) off?

Due to a recent bug, each time my screen turns off, I cannot get it back on. Currently, the screen starts turning off after the computer is locked - which effectively means that I cannot lock my ...
0
votes
1answer
47 views

Why do I just get a black screen if I disconnect a DVI monitor and then reconnect it with Xubuntu 14.04?

I have one monitor that I use for both my PC (via VGA) and my Linux machine (via DVI). I just use it for one computer at a time, by pulling out the not needed cable and plugging in the required one. ...
0
votes
0answers
35 views

Aspect Ratio Ubuntu 14.04, HP w2408 single monitor

So I moved my desktop, old HP Pavilion running Ubuntu 14.04 32 bit and the monitor's, an HP w2408h,aspect ratio no longer provides for 16:9. I check with the display options in settings and I don't ...
1
vote
0answers
355 views

How do I get 144hz monitor refresh rate to work with the open source ATI driver?

With the open source ATI drivers, when I set 144hz in xrandr I get strange full-screen stuttering when I move some windows (especially my chrome browser, but other windows as well). I don't get these ...
0
votes
0answers
25 views

primary screen blank if external monitor already connected on start up

I have installed Ubuntu 14.04 on my Acer Iconia W700. When I boot and afterwards plug in an external monitor everything works. However, if the monitor is already connected during boot, the screen of ...
0
votes
0answers
250 views

Low resolution problem with nvidia drivers Ubuntu 12.04

I installed Ubuntu 12.04.05 and updated it. After that I installed the drivers for my graphics card: sudo add-apt-repository ppa:xorg-edgers/ppa -y sudo apt-get update sudo apt-get install ...
-2
votes
2answers
63 views

no mail in `/var/mail`

i am trying to setup my system mail to monitor my mdadm raid arrays but I have no mail in /var/mail. How can I set this up and how can I test it? There should be something in may mail account I would ...
0
votes
0answers
24 views

Slow and incorrect sizing after a force restart

I have had Ubuntu 14.04 installed on my laptop for nearly 5 months but as of yesterday when I force shut down the laptop with my external monitor plugged in everything has been large and slow and the ...
0
votes
0answers
31 views

I can't find docky on my monitor

Since I installed ubuntu as a dualboot on my acer extensa 5220 and installed docky on ubuntu, when ever I connect my laptop to my asus monitor the "docky" dock on the bottom isn't there anymore but on ...
2
votes
1answer
696 views

Ubuntu Server 14.04.1 LTS Won't Boot w/Monitor Connected

I installed Ubuntu Server 14.04.1 LTS on a Lenovo RD540 server. Actually two of them. Both servers experience same behavior. 1) Server stalls during bootup. 2) The most recent message during ...
0
votes
0answers
37 views

shortcuts for external display/settings?(14.04/unity DE)

OH! there may be more being asked here than this page is for,so PLEASE,feelfree to slip this query into the right page if that is at all possible. it is ultra-urgent,as we are now disabled by what has ...
0
votes
1answer
80 views

Monitor network traffic usage per user by terminal?

Can you offer me some tools with which i can monitor traffic usage per user in WiFi/Ethernet network per user? And also will be good if i can see PC's name.