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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5
votes
1answer
72 views

Use volume and playback keys without waking the monitor?

Often my laptop is just standing around and just playing music and for the below mentioned actions I don't need to see wat's going on on my desktop. Is it possible to use the volume and playback keys ...
4
votes
1answer
884 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 ...
3
votes
1answer
442 views

Monitor not turning off when screen saver is on

I installed Ubuntu for the first time 3 weeks ago and I really love it. I have Ubuntu 12.04. My only problem is that when screen saver is on, it just shows blank screen, and not turning off the ...
3
votes
1answer
378 views

Triple Monitor Ubuntu 12.04

I have just installed my first ever Ubuntu! The first major problem is that my second graphics card is not registering. I have 2 x Radeon HD 6800's connected with a crossfire attatchment. The triple ...
2
votes
1answer
61 views

Put monitor to sleep when locked?

Whenever Ubuntu 13.10 locks: Instead of making the monitor go black and the power button (on the monitor) turn orange like Windows did. It loses connection to the computer and shows me the Dell ...
2
votes
1answer
1k views

xorg.conf configuration help on Ubuntu 12.04 ppc

I did the Xorg -configure or X -configure and I have a xorg.conf file but with errors, so this is something I found out running ddcprobe: oem: nouveaufb memory: 7088kb edid: edid: 1 3 id: 2292 ...
2
votes
1answer
224 views

What is skew value in Mongo DB Database replication?

I have just started the three MongoDB replica servers. I do not understand what is this screw value what it should be on which server? Which values should I monitor I have taken 2 screenshots ...
2
votes
1answer
342 views

Can't connect second monitor with HP Pavilion g6 over Ubuntu 12.04

I am using HP Pavilion g6 notebook computer with Ubuntu 12.04. I am unable to connect second monitor via HDMI or VGA. I am trying this for few days now and fed up by now. I am using Intel graphic ...
2
votes
1answer
491 views

Keep setting the external monitor

Every time I turn on my notebook I have to configure the resolution of external monitor with the "grandr." Always turn off the notebook display and change the resolution of external monitor. I wonder ...
2
votes
1answer
560 views

Ubuntu 10.04.4 32 bit not detecting Acer monitor

Acer monitor AL2216w 1680x1050 cannot do anything execpt attach different monitor. This started happening after latest system update. Reloaded Ubuntu back on hard drive still did not help. Took out ...
1
vote
1answer
113 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
106 views

Connecting and controlling my desktop with my laptop monitor using ubuntu.

I would like to know how to use my laptop as a monitor for my desktop. my laptop is running windows 7 and my desktop is running ubuntu 13.10. i do not have a monitor for the desktop. Thank you.
1
vote
1answer
75 views

Dual monitors on different graphics inputs?

Here's my dilemma, I was just running Windows and to run both of my monitors, my secondary monitor was running off of my integrated chip. In my BIOS I set the boot up graphics device to be the ...
1
vote
1answer
227 views

Lubuntu VM - how to make external monitor on left side of primary monitor

I am using lubuntu as a virtual machine and my host OS is windows 8 and I connected an external monitor and it is to the right of my primary monitor. How do I change it so that it is to the left of my ...
1
vote
1answer
29 views

Blanking screen @ 30 Second intervals for no apparent reason

My screen keeps blanking at 30 seconds if nothing is touched or moved. It seems to have started after a recent update. I have tried changing screen-saver settings, xset values, and installing ...
1
vote
1answer
266 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 ...
1
vote
1answer
167 views

Connect monitor to headless server

I've inherited a server running on Ubuntu which has a keyboard connected, but no monitor. Now there's been a network problem and I'm currently unable to connect via ssh (not even ping works). Still, ...
1
vote
1answer
645 views

Screen flickers with Nvidia GPU

When I install the Nvidia driver (have tried both current and post-release current) the monitor flickers every time I open a new window/program such as Firefox. I don't know what else I'm going to do? ...
1
vote
1answer
2k views

Trying to get 2560x1440 resolution

1I have this motherboard and this monitor. It is supposed I could get 2560x1440 resolution using HDMI 1.4, but i don't know how.. NOTE 1: I have a HDMI cable and a DVI-HDMI adapter, I don't know if ...
1
vote
1answer
931 views

configure modeline Ubuntu 12.04

I am running Ubuntu 12.04.2 in dual boot with Windows 7 on the same drive. In Windows, I customize my refresh rate for my 2nd monitor with the program powerstrip. When I export my Linux modeline and ...
1
vote
1answer
707 views

Run without monitor in 12.10

Yes I know this question is out there but none of the answers work for me like the ones found here and here. I have Ubuntu version 12.10 32bit. It's a fresh install. Only software installed is ...
1
vote
1answer
1k views

Switchable nvidia GT 540m HDMI output Problem

I have bought a Alienware m11xr3 with nvidia GT 540m and a internal graphic card. uname -r 3.2.0-33-generic-pae here is the lspci | grep VGA output: lspci | grep VGA 00:02.0 VGA compatible ...
1
vote
1answer
1k views

Refresh rate revert on 60 Hz on reboot

I just installed Ubuntu 12.04 (upgrade from 11.10) and when I change monitor refresh rate everything is ok, until reboot, on reboot my refresh rate revert to 60 Hz. I found similar threads on Ask ...
1
vote
1answer
138 views

Ubuntu only working with second monitor

I'm using the try ubuntu selection from my ubuntu cd. For some reason, the screen on my laptop is completely black. Only when I hook to my second monitor does ubuntu show up, and then, its only on ...
1
vote
1answer
119 views

Weird error (bug?) on my screen

I've got a problem. Here is my laptop spec : Type: ASUS A43E-VX389D Video Card: Intel HD Graphic Memory: 2 GB DDR3 Processor: Intel B950 ( 2.1 GHz, 2MB L3 cache ) I'm using Ubuntu Precise ...
1
vote
1answer
1k views

how to make external monitor primary (xubuntu)

I am using Xubuntu 12.04 and I want to use my 24" monitor as a secondary display. Ok! First Try: Going to the Settings Manager --> display and searched for the secondary display to enable it. But ...
1
vote
1answer
2k views

Facing unity problems after upgrading to Ubuntu 12.04

I upgraded to 12.04 and had problems with unity. So this is what I did >> 1) Ctrl+Alt+F1 sudo apt-get install compizconfig-settings-manager Export DISPLAY=:0 ccsm 2) Ctrl+Alt+F7 3) Enabled ...
1
vote
1answer
660 views

Ubuntu 11.10 Black Screen

This is my current specs: Operating System: Windows 7 x64 CPU: Intel Core i7 920 @ 2.67GHz Bloomfield 45nm Technology RAM: 6.00 GB Tripple-Channel DDR3 @539MHz (8-8-8-20) ...
0
votes
1answer
12 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 ...
0
votes
1answer
11 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
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
1answer
226 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
1answer
32 views

Why do I just get back screen if I disconnect monitor and then reconnect with Xbuntu 14

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
1answer
65 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.
0
votes
1answer
190 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 ...
0
votes
1answer
173 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
1answer
21 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
1answer
291 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 ...
0
votes
1answer
417 views

Wrong resolution on ubuntu 14.04

I have installed Ubuntu 14.04 LTS on my system. My graphics card is an NVidia 8800GTS. For some reason ubuntu detect that my screen resolution is up to 1024x1280. I have already installed the NVidia ...
0
votes
1answer
247 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
1answer
105 views

Getting launcher on dual monitors

I recently bought a second monitor for my computer. Setting it up was fairly easy, but when I turned the monitor I found that the unity launcher bar that is on the right monitor did not transfer over ...
0
votes
1answer
191 views

How do I set up my dual monitors? My config folder does not have monitors.xml in ubuntu 12.04

I tried creating a monitors.xml in config folder using gedit and just saved it there. rebooted but doesn't work. I am trying this link. http://www.sudo-juice.com/dual-monitor-settings-in-ubuntu/ But ...
0
votes
1answer
312 views

How can I calibrate colors?

In System Settings -> Colors there is color panel but "calibrate" button is grey and I am unable to calibrate it by myself.
0
votes
1answer
62 views

Xubuntu Monitor issue

I did a presentation with my laptop with an external monitor (using latest Xubuntu). After the end of the presentation my laptop ran out of battery. When I got home an logged in again, I had only a ...
0
votes
1answer
361 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 - ...
0
votes
1answer
68 views

Ubuntu 12.04 LTS monitor with lower resolution

I have monitor with possible resolution 1920x1080 (on windows) and I have installed Ubuntu 12.04 LTS. The posssible resolution there:1440x900. How to change resolution to proper one? I installed ...
0
votes
1answer
369 views

get-edid always fails, yet ubuntu detects monitor make/model in system settings

I am trying to writer some scripts to detect what monitor is plugged in and when. I am not sure if I am going down the correct path, but I notice that no matter what I do trying to use 'get-edid' ...
0
votes
1answer
496 views

How do I get a Dell U2414H monitor and Nvidia NVS300 working?

I can't get Ubuntu 12.04 LTS to run xwindows in my monitors native resolution. I have a Dell U2414H monitor and NVIDIA NVS 300 video card. I am connected via a Single Link DVI to HDMI cable. When I ...
-1
votes
0answers
21 views

Noob. ATI Card and 144hz monitor. I need some help!

I'm a noob to linux. Specs OS: Linux Ubuntu 14.04 (I updated it today) GPU: Radeon R9 270X CPU: Intel(R) Core(TM) i5-4590 @3.30GHZ Memory 8gb (2 sticks) Input (Blackwidow Tournament Edition) ...
-1
votes
0answers
93 views

Monitor is Flickering UBUNTU 14.10

After the upgrade to 14.10 my monitor start flickering. Appreciate any hints to fix that.