0
votes
1answer
22 views

Automatically revert to laptop screen when external monitor unplugged

I regularly use an external monitor with my laptop, so when I use it, I usually have the laptop screen disabled when the monitor is connected, and this seems to cause problems when the monitor is ...
0
votes
0answers
25 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
1answer
33 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 ...
0
votes
1answer
70 views

Second Monitor not Displaying on Boot up

I have 2 monitors connected one with VGA and one with HDMI. When I boot up the HDMI one doesn't doesn't display anything. I can tell it is recognizing some kind of input (it doesn't go into sleep ...
1
vote
0answers
22 views

Laptop resume with external display: all windows are displaced to other workspaces, why?

I am not sure if this is the default behavior and if someone else noticed it. Suppose I have 4 workspaces with an external display plugged in so my workspace setup looks like this: [W1a W1b] [W2a ...
0
votes
0answers
34 views

Dual Monitor Resolution Incorrect Depending on Video Output Port Used

I am using Ubuntu 13.04, a 27" 1920x1080 HD monitor, and a 22" 1680x1050 secondary monitor, and have an nVidia GeForce GTX 550 Ti/PCIe/SSE2 graphics card. The card has 2 DVI ports, and an HDMI mini ...
0
votes
1answer
99 views

external display resolution vga output

I am using a Toshiba laptop with an ati radeon graphics card. I have installed ubuntu 12.04 via wubi. I am trying to output to my external display which has a native resolution of 1280x768, but it is ...
0
votes
0answers
83 views

Second Monitor not recognised in display, only clones display from 1st monitor to 2nd

I'm trying to extend my display, however it's not working exactly like I want it to. It merely clones the display from the first monitor onto the second monitor. When I look into "screen display" ...
1
vote
2answers
99 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
0answers
24 views

Bizarre display issues

I've been running a dual display setup with two cheap monitors for the past couple of weeks. Everything worked fine, at first. Nvidia-settings recognized both displays perfectly, and setup was ...
0
votes
0answers
99 views

External Monitor won't appear is display settings

I installed Xubuntu onto my HP 2133 Notebook, installed all the updates and everything was working fine. I wanted to use an external monitor to extend the desktop between my laptop and monitor. The ...
0
votes
1answer
31 views

Why do I have to detect displays for my 2nd display each time I resume from suspend?

I am using Ubuntu 12.04 with Saucy HWE and Nvidia 331.20 with GeForce 310. I have two identical 1440x900 displays. Nearly each time I resume from suspend, I have to detect displays to get my 2nd ...
1
vote
1answer
165 views

Ubuntu 12.04 - can't detect 2 displays

I'm running ubuntu 12.04, my graphic card is: VGA compatible controller: Intel Corporation Haswell Integrated Graphics Controller (rev 06) I have 2 Display but the desktop is not extended, both ...
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 ...
0
votes
0answers
169 views

connect Crossover High Res. Monitor to Intel HD Graphics 4400

I tried to attach my external Crossover monitor to my Lenovo Yoga 2 Pro with help from this page on notebookcheck.com. My monitor seems to be able to display only 2560x1440 at 60.0, xrandr shows ...
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 ...
1
vote
1answer
44 views

How to apply changes done to dual monitors without restarting gdm or lightdm

I know gnome-control-center display changes the file ~/.config/monitors.xml. But when I restart my machine, gnome-control-center display don't remember my previous settings for dual monitors. So I ...
0
votes
0answers
99 views

Error when using DisplayPort monitor - Lenovo X220

When I connect my Acer 21.5" LCD monitor to my Lenovo X220 using a DisplayPort to VGA connector, the monitor shows up under 'Displays' but when I enable the monitor, it doesn'twork and I get the ...
0
votes
0answers
61 views

Different text scaling factors for different displays?

I just purchased a new laptop, which has a much higher DPI than my prior one did; in fact, its resolution (in a 14" form) is roughly the same as that of my 23" second monitor. I'd like the text on ...
1
vote
0answers
47 views

How to prevent two monitors merging together?

I have a strange problem. My computer setup is not common, I have 2 GPUs, AMD's 5850 and 7790. I also have 2 displays : 22" and 24", which are both connected in the 7790 card. Everything was OK ...
0
votes
1answer
158 views

How to set up dual monitor on PC without graphic card? Ubuntu 12.04

My PC does have built-in graphic. I have vga switch and using it I would like to setup dual monitor. After pluging both monitors with VGA switch I had a duplicated view on both desktops. I would like ...
0
votes
0answers
120 views

Ubuntu 12.04 keeps changing the display settings. Dual Monitor

I have an Alienware M17xR4 with Radeon HD 7970m, driver installed is VESA:WIMBLEDON. I usually use my notebook at home or at work... At work I have the possibility to use a dual monitor setting, to ...
2
votes
2answers
327 views

How to enable monitor from terminal?

I accidentally disabled my monitors, so when I log in I land on a blank, back-lit screen. I can open terminals with Ctrl+Alt+F#, so how do I enable the monitor from terminal? I tried xrandr, but it ...
0
votes
0answers
75 views

XServer No Longer loading correctly after login

I seem to be at a dead end regarding my desktop and display drivers. Long story short, I bought a VGA to HDMI converter for an old external HP Monitor (HP LE1901w). I hooked it up through my HDMI port ...
0
votes
1answer
106 views

udev + xrandr to set display gamma when plugging in a display works briefly, but gets overridden

I'm using a script like this to set the gamma values of my laptop screen and external monitor: #!/bin/bash export DISPLAY=:0 export XAUTHORITY=/home/peat/.Xauthority xrandr --output LVDS1 --gamma ...
-1
votes
2answers
187 views

No display after connecting tv over HDMI on both tv and laptop screen

Yesterday I wanted to watch a movie on my tv so I plugged my TV to the HDMI port of my laptop. At first it didn't show my tv as a second screen so I went to settings -> display and enabled my tv. But ...
0
votes
1answer
82 views

Secondary monitor on Ubuntu 12.04 resets to a lower resolution

I have a Ubuntu 12.04 PC with 2 monitors - a 17" 1280x1024 LCD and a 23" 1980x1080 LCD. The 17" monitor is shared by 2 PCs via a VGA KVM switch, and sometimes when I switch back to the Ubuntu PC, the ...
1
vote
1answer
88 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 ...
0
votes
2answers
583 views

Unknown display besides laptop Built-in display. Old question but with no answers

After my update from 12.04 to 13.10 my display configuration started showing an extra unknown monitor, even though I have nothing connected. lscpi: 00:02.0 VGA compatible controller: Intel ...
5
votes
1answer
783 views

Is it possible to have two different DPI configurations for two different screens?

I'm using Ubuntu 12.04.3 with NVidia drivers (319) for my Quadro K2100M graphic card, and when I switch my main 3200x1800 laptop screen to mode 1920x1080 (using nvidia-settings), the display goes ...
0
votes
0answers
266 views

Ubuntu 13.10 Dual Monitor Display Radeon

I recently purchased an external monitor to use with my laptop for a dual screen setup. My laptop is an HP Pavilion g6 and is running Ubuntu 13.10, along with the Radeon graphics driver. I plug in the ...
0
votes
1answer
282 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 ...
1
vote
1answer
89 views

lubuntu won't display on both monitors at the same time

I can get Lubuntu 13.10 to display my desktop on either screen, but it refuses to display on both at the same time. Changing the resolution of a screen generally toggles which screen is displayed; ...
0
votes
0answers
55 views

wrong resolution on an attached projector to desktop pc (with nvidia gpu, set as “twinview”)

I have an NVIDIA Quadro FX 1800 gpu on a ubuntu 13.04, with driver v.319 . The primary monitor (res. 1280x1024) is connected to the display port of the card (1 or the 2). The gpu has a DVI output , ...
2
votes
0answers
174 views

No HDMI output decteded

I'm running Ubuntu 13.10 and trying to connect to my TV using the HDMI port on my computer. But nothing happens when I plug it in, and clicking on Detect Displays in the display settings does nothing. ...
2
votes
1answer
617 views

external monitor no longer recognized when connected VGA, freezed computer when connected with HDMI

I'm using 13.04 on a thinkpad X230. I had routinely used a VGA cable to plug in my external ASUS monitor. when entering the "disply" app, ubuntu would recognize it as "ancor communications", and ...
0
votes
0answers
69 views

How do I start a second X server with a framebuffer driver?

I would like to connect computer to a projector that has only a framebuffer driver. I was advised to start a second X server that would make use of this second "videocard" (framebuffer driver for a ...
0
votes
1answer
290 views

Ubuntu 13.10 Mirror Display Error

I've just upgraded my Ubuntu to 13.10 Saucy using dist-upgrade. After upgrading, I can't mirror my display when connected to a projector. It seems that it is related to this problem. Any solutions to ...
0
votes
0answers
52 views

How do I toggle screen geometry with hotkeys?

My main computer is a laptop with an external monitor and I need set up hotkeys to switch between two display modes: external monitor only (1920*1080) internal + external monitor (1280*800 + ...
0
votes
0answers
155 views

Ubuntu extend desktop mode [acer 4732z]

I have acer 4732z with ubuntu 13.10 installed. but I can't get how to make it to extend desktop mode when I plug a monitor to my notebook. I only can switch to monitor only laptop display only ...
0
votes
0answers
145 views

Unable to configure third monitor (samsung syncmaster 943bx) with nvidia quadro4000

I have PNY-nvidia quadro 4000 with 3 display ports on my ubuntu 12.04 machine. I have successfully configured two monitors using 1 DVI-L port and 1 of the two display ports (with male display port to ...
3
votes
4answers
210 views

Ubuntu 12.04 white stripes on second monitor

My dual monitor settings worked perfectly fine until just recently. Now the resolution on the second monitor is very low and it shows white vertical stripes. I am using Ubuntu 12.04 with GNOME 3.4. I ...
0
votes
0answers
155 views

How do you change which monitor displays the Grub login screen?

I have my computer plugged into my monitor and my Big screen TV through HDMI, whenever I boot it wants to show the Grub2 bootloader on the TV and not on the monitor, this hurts my neck .. lmao ... the ...
0
votes
0answers
90 views

Qumi Q5 and Ubuntu. Mirroring via Wifi

I have a projector that can work like access point. So I can mirror image from the screen of Android or PC to Projector. However, it lags. My question is is it possible to connect the projector as a ...
0
votes
1answer
125 views

External HDMI poor quality

When pluging an external HDMI display, it get detected and everything was supposed to be working right out of the box, except that when set the resolution to 1920x1080, the display on HDMI is really ...
0
votes
0answers
160 views

External monitor isn't recogized after waking up from sleep Ubuntu 13.10 MBP

After upgrading from 12.04 to 13.10, my external monitor isn't behaving the same. When I close the lid on my Macbook Pro, with the power cord plugged in, the computer goes to sleep (it should stay ...
2
votes
1answer
206 views

Make persistent expanded screen preferences when using multiple monitors

I'm currently running Xubuntu 13.10 with the 3.12rc7 kernel on a Sony Vaio Pro 13 notebook. When I connect my LCD TV through HDMI nothing happens in first instance. Only when I go to my display ...
0
votes
1answer
127 views

No login screen after boot without external monitor

I've had this issue on multiple ubuntu based distros, the most recent being elementaryOS Luna. Basically, I keep my laptop plugged into a 1280x1024 monitor at home. Whenever my laptop is powered off ...
0
votes
0answers
131 views

Ubuntu 12.04 LTS Mirrored/Cloned Displays on Boot

I have a Lenovo ThinkCentre M91P with an Intel integrated HD4000. When I boot the machine my displays become mirrored. I need them to be separate monitors. If I run xrandr and adjust the resolution ...
1
vote
0answers
76 views

How to unplug/reset Mini DisplayPort in 12.04 in bash?

I'm running ubuntu 12.04 on a Dell XPS 15z laptop, and have connected an external display through the Mini DisplayPort. Every time I boot, if the display is connected I have to unplug and plug it in ...