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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4 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 ...
4
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2answers
8k views

Two monitors when only having one in 13.10

I just did a fresh install of Ubuntu 13.10 64bit, and it says that I have 2 monitors, when I actually only have one I have a Dell XPS 15 with Nvidia graphics card if that helps in anyway
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0answers
57 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 ...
1
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0answers
38 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 ...
2
votes
1answer
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
1answer
198 views

Desktop doesn't load after installing ATI Driver [duplicate]

I installed ATI Radeon HD 3650 on Ubuntu 12.10 32-bit using following commands: cd lib/3.5.0-17-generic/kernel/drivers unzip *.zip chmod +x *.run sudo ./*.run but after restarting the system, I saw ...
1
vote
1answer
4k views

How to set the monitor to its native resolution when xrandr approach isn't working?

I am trying to setup my Samsung syncmaster B2030 monitor in ubuntu 12.04. It's native resolution is 1600x900 which I am not getting in ubuntu and which I am trying to get. I tried using xrandr ...
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0answers
5 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 ...
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2answers
32 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
2answers
820 views

Not working Dual monitor on Radeon HD 5450

I use Radeon HD 5450. I need work with Dual monitor. One try (Not Working): The first monitor is in VGA onboard input. The second monitor on VGA Radeon 5450. Second try (Not Working): The first ...
0
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0answers
18 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 ...
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0answers
216 views

External Display on HP 2013 UltraSlim-Docking Station with Ubuntu

I have an Elitebook 840 G1 with Dual ATI + AMD graphics and HP 2013 UltraSlim-Docking Station. I want to plug external monitor to the one of Displayports located on the Dock. The external monitor ...
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0answers
10 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 ...
1
vote
1answer
62 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 ...
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0answers
13 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 ...
2
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
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0answers
13 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.
2
votes
2answers
527 views

Xubuntu 14.04 black screen after monitor off/on

I have a HP desktop machine with Ubuntu 14.04, with also Xubuntu and Gnome desktops installed. I mostly use the Xubuntu session. When using the Xubuntu session, when I power off my monitor, and power ...
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0answers
80 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 ...
0
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0answers
50 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 ...
0
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0answers
10 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?
3
votes
0answers
61 views

Can't change brightness after disconnecting second monitor

When I boot up with 2 monitors, or when I connect the second monitor to my laptop, I can change brightness of the laptop screen in the usual sense. After disconnecting the second monitor, when I ...
0
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0answers
49 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 ...
6
votes
2answers
6k views

How do I look up the hsync/vsync values for my monitor?

I'm trying to get my computer to use the correct resolution. For that I need to specify the horizontal and vertical sync values in the configuration file (xorg.conf): Section "Monitor" Identifier ...
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0answers
125 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
72 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
47 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, ...
0
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0answers
16 views

Black Screen after wubi Install on Windows 2000

I just installed Ubuntu on my mother's PC, Because it had Windows 2000. So I installed the Iso and put it on my USB and started the .exe on her PC, using WUBI. After that I went trough the ...
2
votes
1answer
1k views

Monitors won't sleep (power management) if synergy or synergyc? is running

Similar question to Monitor won't enter power save mode , however I only experience the problem under synergy. Screensaver settings work, but the monitors never go to sleep. When synergy is not ...
0
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0answers
113 views

maximum screen resolution isn't the native resolution

I decided to build a new, small form factor pc, which was going to run Ubuntu. Now the problem with it, is that the maximum possible resolution, is 1024x760, but that the screen I'm using, has ...
1
vote
0answers
22 views

The UBUNTU Graphics Catch 22

Trying to use a Live DVD to run Ubuntu 14.04.1, I get the "Monitor signal out of range" error. I hit ctrl-alt-F1 to bring up the command line. I do sudo nano /etc/default/grub and remove # from ...
0
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0answers
41 views

Detect connected monitor

I have an ubuntu 12.04 server running with an integrated intel VGA. There is a screen connected permanently as an "info monitor". Sometimes power is removed from the screen and i want to detect that ...
0
votes
1answer
70 views

external HDMI monitor turns off after a few minutes

When connecting my 14.04 ubuntu laptop with HDMI to my TV, the image is turned off after a few minutes, even when connected to the power. I then move the mouse and the image returns. How can I prevent ...
0
votes
0answers
29 views

Screen Flicker on Mac Mini 5,3

I have a screen flicker issue on my Mac Mini with Intel HD Graphics 3000 512 MB. It appears on multiple screens and via both HDMI and Dual Link DVI over the display port. It does not seem to occur if ...
0
votes
1answer
129 views

Ubuntu 14.04,NVIDIA Corporation GF108M [NVS 5400M] laptop monitor problem

I am having a problem with making the laptop monitor work with the latest ubuntu. I am using optimus on lenovo t430 at the moment and when I try to activate the laptop monitor I get an extended ...
1
vote
1answer
51 views

External monitor horizontal lines problem

I got problem with my external monitor (Dell U2312HM) connected to my laptop (Radeon HD4570). There are appearing some horizontal lines. It is like blinking or flickering, it's actually quite hard to ...
1
vote
1answer
91 views

external monitor can't display max resolution

I had been using an external monitor, an old Dell Inc. 19" with Ubuntu 14.04 for a while now, The resolution it displayed at was something like 1366x768 or 1366x1024, I can't remember exactly which ...
5
votes
5answers
8k views

Second Screen is Rotated in a dual monitor setup

I have a laptop connected to a second monitor using a vga port. No proprietary drivers used. When I go to System Preferences --> Monitor and I turn that on it doesn't look as it should, and it's ...
1
vote
0answers
14 views

Monitor not booting up with PC - Ubuntu 14.04

I've recently made the conversion from windows 7 to ubuntu 14.04 and loving it! ...Until this morning when I've tried to boot up my computer which seems to be booting fine, but my monitor is ...
0
votes
1answer
19 views

Troubleshooting refresh rate

I have been having problems with my refresh rate and it's recommended and default rate is 60ghz. It keeps flickering at every rate I put it. Does anyone have ideas how to resolve this? thank you
0
votes
0answers
12 views

No signal on Monitor

I'm getting a "no signal" on monitor. the system was still running when the monitor crashed with this error message. Checked cables and all are hooked up.
0
votes
1answer
213 views

QNIX Nvidia Display Issue with 331 Driver and 770

Upon trying to get my ubuntu 13.10 installation working on my new computer, I encountered an issue with the proprietary nvidia drivers and my display. Apparently, the two don't agree with each other ...
1
vote
0answers
80 views

Mirroring screen -> resolution problem

I have a ASUS N53S laptop, it has a 1920*1080 resolution build in screen. If it matters: GPU is Nvidia GeForce GT 550M. It has a VGA port which I don't/rarely use and a HDMI port. In my HDMI port I ...
4
votes
0answers
57 views

how to install ubuntu on a computer without using a monitor? [duplicate]

I have a computer but with no available screen, how can I install Ubuntu server on it using a laptop I have, I can't format the hard drive in another computer and buying a new monitor is not an option ...
0
votes
1answer
93 views

Dual-monitor setup; one monitor changes to low resolution

Dear AskUbuntu Community, I am using Ubuntu 13.10 at work with dual-monitor display. One has 1920x1080 resolution and the other 2560x1440 (main), the graphics card is Radeon 7570 1GB. The main high ...
1
vote
1answer
208 views

How to start a program always on second monitor

I tried to google and to browse/search the questions but with no luck. I have xubuntu 12.10 installed and extended desktop is working great (intel display driver). The problem is that I want to start ...
0
votes
1answer
156 views

How to change Monitor of ubuntu box Also 'Out of Frequency ' Error due to monitor change

I have find very odd and crude solution to this entire episode. It is as follows Start installing ubuntu as usual. Switch off the monitor Wait for some time (1-2 minutes) till the HDD access stops ...
0
votes
0answers
46 views

Turn off display on lock screen?

In ubuntu 12.04 running gnome I had the shortcut to turn on/off the display with Esc key on lock screen. Now running Ubuntu Studio 14.04 with xfce4. There is no such feature. Any way to add it? Maybe ...
4
votes
1answer
512 views

How do I enable 60hz on my 4k monitor?

I have the very new Asus PB287Q 4K monitor and I've enabled display port 1.2 in its OSD menu system, but my Ubuntu 14.04 laptop still isn't using 3840x2160 at 60hz - it's stuck at 30hz. I'm curious ...
1
vote
2answers
480 views

Best practice to monitor Ubuntu Server

I have an Ubuntu Server that is intermittently rebooting. I notice the reboot once every 3 weeks or so. I have a feeling that this is occurring more often and I want to get an accurate picture of the ...