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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0answers
58 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
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0answers
42 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
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1answer
30 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 ...
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0answers
56 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 ...
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0answers
29 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 ...
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0answers
97 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.
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0answers
36 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 ...
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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
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1answer
27 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 ...
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0answers
63 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
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1answer
67 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?
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0answers
126 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
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0answers
45 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 ...
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0answers
23 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 ...
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0answers
23 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
1answer
248 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
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0answers
63 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
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1answer
46 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
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0answers
102 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). ...
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0answers
71 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 ...
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0answers
161 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
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0answers
36 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?
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0answers
84 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 ...
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0answers
49 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 ...
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0answers
27 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
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0answers
250 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
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0answers
56 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 ...
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0answers
86 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 ...
1
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1answer
542 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 ...
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0answers
139 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
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0answers
622 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
175 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 ...
1
vote
1answer
94 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. ...
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0answers
44 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
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0answers
598 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
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0answers
41 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
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0answers
434 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
101 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
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0answers
29 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
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0answers
43 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
1k 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
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0answers
63 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
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1answer
107 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.
1
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0answers
183 views

Dual-monitor seems to be default in Ubuntu 14.04, and I try to solve it, but close the wrong monitor

I'm using Ubuntu 14.04 LTS. My mouse goes outside the screen when moving to the right edge, so I guess something wrong with my monitor setting. lt seemed that "dual monitor" was set as default ...
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0answers
140 views

Ubuntu Gnome 14.04 - 100% CPU usage alternating between cores

I've noticed my Ubuntu Gnome 14.04 has been getting a bit sluggish lately - things like Gnome Shell overview animation are jerky where they were lightning fast, Elder Scrolls Online is stuttering and ...
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0answers
40 views

New monitor - reset graphics 14.04

Have new monitor, but resolution stuck at that of old monitor. New monitor is 16:9 but resolution stuck at 5:4 so how do I reset the monitor detection and get a good resolution on the new monitor?
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0answers
303 views

Overclocking monitor refresh rate on Ubuntu

I have a Qnix QX2710 monitor which was overclocked to a 96Hz refresh rate when I ran Windows. Now that I've moved over to linux I'd like to overclock the refresh rate again but I don't know how. I ...
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3answers
1k views

2560 x 1080 Screen Resolution on Ubuntu 14.04

I recently installed Ubuntu 14.04 on a mac mini and bought a 2560 x 1080 ultrawide LG monitor for it. Problem is that it doesn't display the proper resolution, the maximum being 1920 x 1080 under ...
0
votes
1answer
956 views

Full screen mode in a dual monitor work [duplicate]

I used to work with two displays. As usual I make full screen on the second monitor for watching web video while continuing to work on the laptop monitor. In Ubuntu it's always opening in full screen ...
0
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0answers
117 views

Uknonw display in ubuntu 14.04

I'm using Dell E1914H monitor & this is a fresh pc. My cpu has DVI port & monitor has VGA port, I'm using connector to connect both of them. Firstly I tried to install Windows on this machine, ...