0
votes
0answers
27 views

2 monitors show up in the displays when actually I have only one

I use a laptop and I have only one monitor. But when I check the displays it shows 2 monitors of which one is being shown as unknown. I have tried Two monitors when only having one in 13.10 without ...
0
votes
0answers
17 views

HMDI sound output not detected if VGA monitor connected at boot

The option to output my sound through HDMI TV (as seen below) does not appear if I boot my machine (an ASUS laptop running Ubuntu 14.04 with open-source drivers) while my VGA monitor is connected as ...
0
votes
0answers
9 views

Gnome Desktop Flickers on One Monitor

Recently, I've run into a strange problem with Ubuntu Gnome. I installed 14.04 last Saturday and everything was fine. However, I woke up one morning to find my Asus HDMI monitor saying "VGA No ...
0
votes
0answers
20 views

Only 2nd Monitor, not Notebook display, visible

I am trying to install Ubuntu 12 on my notebook, Acer Aspire 7715Z. On boot up, system recognises Ubuntu and loads up installation screen. A few pages of white text roll down the screen and then the ...
1
vote
0answers
241 views

Display settings problems with Ubuntu 14.04 LTS

For whatever reason (this was working correctly on Ubuntu 12.04 LTS) when I try to set my displays on top of each other in the settings, it won't allow to place them on top of each other. When I ...
0
votes
0answers
268 views

Ubuntu 14.04 Dual monitor

I am in the process of moving from Windows XP to Ubuntu 14.04. I need to be able to run in what windows calls 'extended desktop'. As soon as I plug in the projector or a monitor the video output ...
0
votes
0answers
27 views

Strange, but interesting display dependend input behavior

I think this may be related to my previous question, or it may be something else. Sorry if this is rather long. I hope this is not too confusing, but my issues are hard to explain. I am seeing ...
2
votes
0answers
664 views

After upgrading from13.10 to 14.04 screen on a laptop doesn't work but

First my laptop CPU/GPU is Intel Celeron N2815 (Bay Trail) and I am in dual boot with windows 8. I have upgraded from ubuntu 13.10 to 14.04 today through update manager. And after upgrading and after ...
0
votes
0answers
35 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
38 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
81 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
39 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
118 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
93 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
116 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
25 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
100 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
32 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
204 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 ...
1
vote
0answers
52 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
186 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
42 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
47 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
105 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
65 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
48 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
163 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
123 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
383 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
77 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
117 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
219 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
86 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
97 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
790 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 ...
6
votes
1answer
844 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
267 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
285 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
93 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
56 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
177 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
658 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
71 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
293 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
54 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
156 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
147 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
214 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
159 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 ...