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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0
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0answers
16 views

Poor video quality 12.04

Using both a Dell 17" monitor and a HP 1740 I get bad video quality with a Ubuntu 12.04 machine. I tried all of the resolution settings with the monitors, but the fonts are multi-colored and smaller ...
0
votes
0answers
26 views

Upgrading from 2 to 4 monitors

I have Ubuntu 12.4 (precise), and for a long time, I had two monitors. Yesterday, I got a second pair of monitors and another video card. I spent hours searching the internet and experimenting, but I ...
0
votes
1answer
29 views

How to make 13.10 see a monitor when there is none?

I have Ubuntu 13.10 installed on a Dell PowerEdge 1850 server that I start up in the afternoon and shut down at night. When it can't see a monitor, it defaults to 1024x768. When I hook up a monitor by ...
8
votes
1answer
797 views

Bypass low-graphics mode 12.10 when no monitor connected

I installed Ubuntu 12.10 and have set it to auto login, and have set up permissions to allow remote connections via VNC (using the default 'Desktop Sharing' application offered by Ubuntu). ...
1
vote
0answers
51 views

Can't set custom resolution with TV and GT610, xrandr and Nvidia woes!

So, I've looked around, and I know nothing about xrandr and the lot. I thought I had my display fixed, but it kinda... Pans, or scrolls, when I move my mouse to the edge of my display... Anyone know ...
-1
votes
3answers
4k views

laptop to external monitor via vga cable not working

My laptop is the Toshiba satellite c850-F31Q (with these specs:http://www.laptopdirect.co.za/laptop_specifications.php?laptop=59683)(AMD Radeon graphics card). It is running Linux-Ubuntu-gnome 3 (and ...
0
votes
1answer
17 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
0answers
28 views

Second monitor not on by default

When I log in, my second monitor is "off" by default; Ubuntu acts as if it's not connected. I can enable it by going to System Settings -> Displays and flipping the OFF switch to ON, but I'd rather ...
0
votes
0answers
24 views

Unable to run USB monitor at the same time as laptop monitor

I am having better luck than others at using e1649Fwu monitor; at least I can see my desktop, albeit not at the same time as on the other screen. (see Using AOC USB monitor on Ubuntu for an existing ...
0
votes
0answers
8 views

No display on main monitor and screen distortion/flickering on external monitor; I can't read the instructions

I use 12.04 LTS on my Acer E1-472G, but it displays nothing on the monitor. If I connect an external monitor, it displays distorted images in diagonally separated sections. I do not understand any of ...
0
votes
0answers
15 views

Dell XPS13 with external monitor. Showing black squares / dots on screen when scrolling

I have a Dell XPS13 (9333) running Ubuntu 12.04.4 it is attached to an external monitor (17") via a mini-dvi to VGA cable. This is not the Dell install of Ubuntu but a fresh install so as to have FDE ...
18
votes
2answers
16k views

How to set the monitor to its native resolution which is not listed in the resolutions list?

After installing Ubuntu 10.04 with my Samsung SyncMaster B2030, native resolution (1600X900) is not found in the list of resolutions.
0
votes
1answer
39 views

Dual Monitors - Only One Turns off When the System is Idle

I'm currently running Ubuntu 13.10 on my Dell XPS 8700. I've got two monitors hooked up to the computer: one via DVI and the other via DisplayPort. The two-monitor setup works perfectly for the most ...
0
votes
1answer
34 views

Disable laptop monitor when there is an external monitor

How can I configure Xorg so that when a certain external monitor is attached to my laptop via HDMI, that external monitor becomes the main monitor and the laptop monitor is switched off? Obviously I ...
4
votes
5answers
9k views

Webcam doesn't work in browser…?

I'm running the latest version of Ubuntu, and I have a Dell Sp2009wfd monitor with built in microphone and webcam. I've gotten the microphone working on mumble and on sound recorder, and I've gotten ...
0
votes
2answers
2k views

How do I turn off the laptop screen while using an external monitor?

When I close my laptop lid, all my screens are turned off (my laptop screen and my LG M237WA monitor). I'd like to know how do I make it turn off only the laptop screen and keep the monitor on (I ...
6
votes
2answers
3k views

Manually turn off monitor

Can I turn off my laptop monitor manually and instantly with just a click or a simple terminal command? I just want to turn off my monitor not locking my machine. There is no dedicated turn off ...
0
votes
0answers
25 views

external monitor does not work - 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 - nothing ...
1
vote
0answers
36 views

Laptop screen blank when I connect an external monitor (which works)

I have connected an external monitor to my laptop via VGA. However I can't get both working at the same time. What I wanted was for the external monitor to be a continuation of my laptop, however when ...
0
votes
1answer
34 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
141 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 ...
0
votes
1answer
36 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
0answers
34 views

How can I crop a 1920x1200 monitor to 1920x1080?

I have a 1920x1200 monitor, and have some situations where I want to force the output to the more common 1920x1080. However, I don't want to distort the output, and would prefer a "cropping" black bar ...
1
vote
1answer
201 views

Can't change brcm_monitor0 in /proc

I am trying to change the value in the file /proc/brcm_monitor0 from 0 to 1. This file is used to set Broadcom wifi modules into monitor mode. The default method to do this is: sudo -s echo 1 > ...
0
votes
0answers
19 views

pressing any physical button/key causes external monitor to shut off

So I'm pretty new with Ubuntu. Well Linux in general. Anyway, whenever i switch to an external display with my laptop (hp pavilion dv6000) and press any key on my keyboard or media control bar, it ...
0
votes
1answer
46 views

Get Ubuntu to NOT move windows when turning off one of multiple monitors

I have a triple monitor setup and it works very well with 13.10. However, I have some problems with the way Ubuntu moves windows around when turning off a monitor. For instance, when I want to watch ...
0
votes
0answers
27 views

realtek rtl8191s wont enter monitor mode

Every thing is explained the screenshots below http://i.stack.imgur.com/SfQF9.png http://i.stack.imgur.com/1rSOn.png i.stack.imgur.com/GwTtg.png Thats how other wifi looks wlan0, i have the ...
0
votes
0answers
17 views

External monitor recognized, but no signal

I'm running ubuntu on an old macbook and everything seems to work fine but when I try to connect an external monitor, the monitor doesn't get a signal (monitor: "No Signal"). In the System > Displays ...
2
votes
3answers
4k views

Manually change the screen resolution

My system: Ubuntu 12.04 LTS. My graphic card: nVidia GeForce gt430. My monitor is Samsung LE26R51B. And my connection is digital (HDMI). The current screen resolution is not good at all, I can't see ...
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 ...
2
votes
1answer
24 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
5k 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 ...
2
votes
1answer
52 views

How to make custom refresh rate stay saved?

I'm testing out 14.04 on a partition to see if I want to use it as my main desktop for when it's fully released, but I've encountered some problems. I have a 144Hz monitor, so in the the Nvidia X ...
1
vote
2answers
102 views

How do I get the two external monitors connected to my laptop to stop mirroring each other?

I have a Lenovo T440 laptop on 12.04 with two external monitors attached (running through one VGA port that goes to this splitter). Right now Ubuntu is counting the two external monitors as one (they ...
0
votes
1answer
61 views

Lubuntu dual monitor doesn't save config

I'm using Lubuntu and I have a external monitor (connected using HDMI) to my laptop. Everytime I enter on Lubuntu, both laptop and Monitor are turned on. What I do: I go to Menu > Preferences > ...
0
votes
0answers
53 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 ...
0
votes
1answer
30 views

Display configuration messed up

I have a laptop and an external monitor. I can set the correct resolution for both of them, however, after some time configuration messes up: resolutions get swapped and display mirroring turns on. ...
0
votes
3answers
5k views

Tried every solution but my monitor resolution is still stuck at 640x480

I have problems getting my Viewsonic VX2025wm LCD monitor with Ubuntu 11.10. I have another monitor which works well (although in VGA mode), but this one refuses to go beyond 640x480. I'm trying to ...
1
vote
0answers
40 views

Monitor stays black after plugging it in

I am running Ubuntu 12.04 on a PC using lightdm. When I have the monitor plugged in from the start the system boots just fine and everything works as expected. When I plug off the monitor, the system ...
0
votes
1answer
67 views

Kubuntu 13.10 problem with monitor

When I installed Kubuntu 13.10 (virtual), it did not recognize my Compaq 19" monitor in a Compaq Presario PC and can't see the desktop properly. Conclusion: I must cancel the installation (real). My ...
0
votes
4answers
15k views

Ubuntu 12.10 won't display properly after kernel upgrade [closed]

After updating my system today, Ubuntu's doesn't display correctly. The desktop was working properly before, but now it looks like this: I had to use the terminal to run Synaptic package manager, ...
2
votes
2answers
5k views

Ubuntu stops using Nvidia driver after kernel upgrade

Just updated and restarted, Ubuntu's doesn't display correctly. After restart, the desktop now looks like this. I've temporarily switched to the Nouveau driver. The update history reveals the kernel ...
10
votes
2answers
14k views

How can I get a DisplayLink USB monitor under Ubuntu (any recent version)?

I have a DisplayLink-based external USB monitor, which has both power and data over USB, and seems to work perfectly under Windows 7, but only can display a text console under Ubuntu 10.10, and that I ...
1
vote
0answers
112 views

Ubuntu 12.04 cannot detect my second screen

What I wanted is a dual monitor setup but I got two monitors with the same content :(. I have an ASUS Z87-K motherboard and am connecting two monitors to its integrated graphics (HDMI and VGA). I ...
1
vote
1answer
594 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 ...
5
votes
4answers
7k 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
1answer
32 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.
0
votes
1answer
284 views

Black Display in Xubuntu 13.10

I installed Xubuntu 13.10 a while ago. Everything was great up until just now when I tried to connect to an external monitor. After connecting the VGA cable from my laptop to the monitor I tried to ...
0
votes
1answer
38 views

Multiple Monitors: Monitor not turning on

I'm having trouble configuring my laptop display with the external monitor. I use the laptop most at home where I connect it to an external monitor and turn the display off. However I still need to ...
2
votes
0answers
49 views

HDMI Display Screen Resolution Resets

After I managed to solve my issues with the HDMI - VGA converter by reinstalling Ubuntu, I was wondering why Ubuntu keeps my resolution settings in some cases and loses them in others. I've written a ...