Questions about multiple monitors (Including projectors), how to set them up, troubleshooting the configuration, etc.

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2
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127 views

Why screen becames darker when i use 2 monitors?

I have Xubuntu 12.10 and when i try to set 2 monitors if I expand the screen instead of mirroring it, the 2 screens become darker. I don't really know how to explain so I took a print-screen.
2
votes
0answers
1k views

External screen detected but not working on DisplayPort connection

I'm running up to date Raring on my Thinkpad X220 and stumbled upon weird problem. I can connect to an external 24 inch DELL U2312HM external screen using DisplayPort cable. I tried the same ...
2
votes
0answers
121 views

Active windows moved to secondary screen

Ok. Help. I use my 13.04 system frequently when teaching. Everytime I connect the beamer, all the active windows (and desktop files) are moved to the secondary screen. This becomes really annoying ...
2
votes
0answers
257 views

Three monitors connected to AMD 7970, only HDMI works

Just made a clean install of Ubuntu 13.04 64-bit on my desktop machine with an AMD 7970 graphics card installed. I use a 24" Samsung screen that is connected via DVI as my primary monitor, a 19" ...
2
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0answers
2k views

Can't detect second monitor (NVIDIA Optimus)

I'm using Ubuntu 12.04 on a DELL XPS with NVIDIA Optimus. I know that questions related to this have been asked several times, and I followed many tutorials and instructions but couldn't make this ...
2
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0answers
162 views

3 monitors with ATI card

So I wanted to go back to Linux (Ubuntu) after been using windows for a while and went ahead and installed Ubuntu. The problem that I got was I couldn’t use it the way I wanted, I have a 3 monitor ...
2
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0answers
695 views

Setting up triple monitors with a Display Link Adapter

My first question, I suppose, is "Is this setup even possible?" I'm running a Dell N7010 with Ubuntu 12.10 and I have two external monitors. One of them is connected with a VGA cable and is running ...
2
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0answers
430 views

How can I make my onboard HDMI to work with my GPU?

I want to use my TV as a second monitor through HDMI in the motherboard, while use my main monitor through my graphics card since my motherboard is the only one who allows it. Ubuntu won't detect my ...
2
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0answers
834 views

How to connect Xdmx and android Xserver?

I run: $ Xdmx :1 -display 192.168.1.137:0 The output: (II) dmx: Generation: 1 (II) dmx: DMX version: 1.2.20070424 (DMX Project) (II) dmx: DMX Build OS: Linux ...
2
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0answers
699 views

Display difficulties with Ubuntu 12.10, Dual Monitors, and ATI HD 5800

I have the ubiquitous and difficult display problems. I have a very limited understanding of everything regarding graphic display mechanics, and Gnome specific terms, so please let me know if you ...
2
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0answers
210 views

lightdm - enable 3 and then 4 monitors

I've just completed a Ubuntu 12.10 server build on a HP XW8400 desktop with 2 x GeForce dual head DVI gphx cards. On the build bench I had 1 monitor connected & worked perfectly. 1920x1200 ...
2
votes
0answers
296 views

Login Wallpaper Spanning Dual Monitors in 12.04

Is there a way to make the background on the login screen span dual monitors rather than being mirrored? I know it's possible for the actual wallpaper when you're logged in but can't find an option ...
2
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0answers
581 views

Can't enable third monitor on second graphics card

I had a system running 12.04 with a Radeon HD4870, and had the monitors correctly setup. I installed a second video card (Radeo HD5700), and can't get the default Monitor app to detect the monitor. ...
2
votes
0answers
130 views

Create own screen resolution without Nvidia

I had a problem with my monitor Dell E207WFP. The first time I connected it to my Ubuntu, it had a possibility to set 1600x1040 resolution, but then I reinstalled some drivers and use set default ...
2
votes
0answers
698 views

Cannot find display :0.1

I'm using fujitsu LH531 Laptop with ubuntu 12.04, and with secondary 1440x900 monitor attached to the VGA, confirmed by xrandr command. The problem is, i want to run a program (vlc) to the second ...
2
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0answers
293 views

How to define multiple xorg screens using the same device?

I have a video-adapter(Dell MMH11) that is connected to the display-port of my graphics card. The adapter identifies itself to the graphics card as a 3840x1200 display. The adapter has two monitors ...
2
votes
0answers
1k views

Different backgrounds on 3 monitor set-up

I currently have a 3 monitor set-up using an AMD HD6870 card. All monitors are 1920 x 1080 and in a 16:9 configuration. However 2 are orientated as landscape whilst one is in portrait. The way I ...
2
votes
0answers
2k views

Nvidia GeForce Gt-520M-cn on intel dh61ww Ubuntu 12.04

I have this desktop: i7 2600, 8gb ram ddr3, board intel dh61ww, Geforce Nvidia GT520-cn 2Gb ddr3, I just installed Ubuntu 12.04 64-bit (kernel 3.2.0-23-generic). I want to setup two Samsung ...
2
votes
0answers
197 views

fullscreen using multimonitor

I've got a laptop with an extra external screen attached to it. Whenever I try to maximize a window on the second screen by dragging it to the top of it the window maximizes to my laptop screen. Is ...
2
votes
0answers
1k views

ATI (fglrx) Dual monitor / laptop hot-plugging

I been running Ubuntu 12.04 since alpha with the ATI open source drivers and with Gnome-Shell. I been generally very happy with them with only small issues along the way. Now of course it does not ...
2
votes
0answers
1k views

Can't set up dual monitors due to “RANDR extension is not present” error

I have my PC dual boot into Ubuntu currently, and I am having issues (I assume because I have 2 monitors). I had an older version of Ubuntu running fine with two monitors on this same computer, but ...
2
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0answers
928 views

Dell E6510 with Intel i950 cannot detect second display in Precise

After a bout of trouble with 10.04, 10.10 fixed the driver issues with my Intel video card. I avoided upgrading for some time, but bit the bullet this weekend. I was able to upgrade and get the box ...
2
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0answers
2k views

Multi Desktop with Ubuntu 10.04 and the Catalyst Control Center

I have Ubuntu 10.04 installed on my laptop, with an ATI Mobility Radeon HD 3670. I would like to connect this to an external monitor and use multiple desktops, as opposed to a single extended desktop. ...
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0answers
19 views

nvidia dual screen

I can't use dual screen with my Nvidia card proprietary drivers (I've tried them all!), and if I'm using the open source driver it says I'm switched to an Intel graphics card. When the proprietary ...
1
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0answers
19 views

How to make ubuntu remember a windows position and size? (2 Monitors)

Hi everyone so I decided to change to ubuntu 14.04, although I've had some problems (most of which I was able to fix after researching), while I know that linux isn't windows, I want it to save ...
1
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0answers
43 views

Ubuntu 15.10 - HDMI connection to Samsung HDTV no longer working

I use a HP Pavilion dv5 laptop. I have been connecting it to a Samsung HDTV for over 6 months now via a HDMI outlet and everything worked seamlessly. I was new to Ubuntu then, and surprised that it ...
1
vote
0answers
26 views

Display flickers, distorts trying to detect second monitor through IGD

I'm trying to get a second monitor working on my system using the integrated graphics HDMI port on my motherboard. My system is an i7 6700k, MSI z170a m5 motherboard, and nvidia 950 gpu. The gpu is ...
1
vote
0answers
10 views

Is there a way to tie the brightness levels of each monitor together?

I have two monitors, one external, one part of my laptop. In order to set the brightness on my external monitor I have to use this answer. But I really just want to be able to hit the button on my ...
1
vote
0answers
95 views

How to set up native monitor resolution of 1680 × 1050 with Nvidia Geforce 210 on Ubuntu 14.04

I use a video card Nvidia Geforce 210. According to it's specs http://www.geforce.com/hardware/desktop-gpus/geforce-210/specifications it can run :Maximum Digital Resolution 2560x1600 and Maximum VGA ...
1
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0answers
35 views

Unity launcher placement stuck on all displays

I am using three monitors with Ubuntu 14.04. In Display settings, I try to change the Launcher Placement setting to only select one monitor. The monitors flicker, but even though the setting now might ...
1
vote
0answers
21 views

How do I stop firefox migrating monitors in a dual monitor setup?

Whenever I click on a URL in an e-mail, firefox which is already open on my my external monitor, migrates to my preimary screen (laptop). How to I stop this migration? Richard
1
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0answers
21 views

Help with installation (graphics card?)

I recently upgraded some hardware on an older machine I have. My build consists of the following: AMD FX-6350 ASUS - M5A97 R2.0 (motherboard) ASUS - R7 370 Strix [Outputs ONLY: DVI, Displayport] I ...
1
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0answers
38 views

High Dpi second monitor leads to crash

I have Ubuntu Wily Werewolf (GNOME 3) installed on a Dell XPS 13, connected to a (relatively cheap) 4K monitor. I had huge issues with my standard resolution monitor (conflicts between the high ...
1
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0answers
52 views

unable to get output with nvidia card with dual output dvi and vga in multi seat setup

I have an Ubuntu 15.10 installation with onboard Intel Graphics and an nVidia graphics card with dual output VGA and DVI that I am trying to setup in a multiseat environment using udev/loginctl. ...
1
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0answers
47 views

How to configure multi-monitor docking setup so that it just works

I'm running Ubuntu 14.04 LTS on a Thinkpad T540p using an Ultra Dock with two attached monitors. The Thinkpad is built with Intel graphics; the monitors are attached via DVI and HDMI respectively, and ...
1
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0answers
31 views

Merge MST stream Monitor into one virtual

I'm using a PQ321QE in conjunction with two U2412M. Unfortunately, the PQ321QE which I'm using as a main screen only supports 30Hz in SST mode so I'm forced to used it in MST mode. The issue I'm ...
1
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0answers
35 views

Connacting 4 monitors on 2 vido cards (1 on intel 3 on nvidia) ubuntu 14.04

I'm trying to connect 4 monitors to my computer Intel Graphics onboard x 1 monitor Nvidia GTX 660 x 3 monitors So far on clean install all 4 are working in a glitchy way, so i update my ...
1
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0answers
73 views

ubuntu 14.04 - Unknown Display - Resolution limited

I have a 2nd monitor (Samsung) but ubantu cannot detect the monitor as well as the best resolution (1680*1050). So far the max. resolution is 1360*768. please see the screenshot - display settings ...
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0answers
90 views

Dual Monitors with open source radeon driver - one stays black

Since I'm having a lot of problems with fglrx I wanted to use the open source Radeon driver on Ubuntu 15.04. As soon as I plug in the additional Monitor, the laptop screen turns off even though I can ...
1
vote
0answers
205 views

Ubuntu Gnome 15.10 multiple monitor issues

I have a few problems since installing 15.10 on my Dell XPS 13 9343, mostly concerning multi-monitor use. If the screen blanks (based on power settings), the external monitor cannot be woken up ...
1
vote
0answers
86 views

Secondary screen rotation unavailable in Xubuntu

I have a laptop with Xubuntu 15.04. I want to use my old Samsung full-hd TV as a secondary portrait monitor. I connected it using HDMI and it works, but in Settings > Screen there's no option in the ...
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vote
0answers
23 views

Nvidia Geforce 645m doesn't support second display for GNOME

I have a laptop with Nvidia Geforce 645M and Intel GPU on the board. So, when I plug second monitor to the laptop, no one display doesn't work, only black screen. But when I turn off GeForce and turn ...
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vote
0answers
32 views

Nvidia settings won't take hold

I have two monitors, and I prefer to have the monitor on the right hand side to have the Gnome panels on it. I think this is called the "primary display". Every time I reboot, the monitor on the left ...
1
vote
0answers
57 views

No detection of external monitors, xrandr shows few things, hybrid graphics

I have a hybrid graphics setting with an Intel Graphics 4th Gen and an Nvidia GTX 960M. I would like to use sometimes the nvidia card and at the same time have output to an external VGA or HDMI ...
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0answers
83 views

Can't enable third screen on my laptop with hybrid nvidia / intel graphics on ubuntu 14.04

I'm trying to enable a third screen on my laptop with hybrid graphics intel + nvidia with no luck. I'm using bumblebee to manage both cards. In the graphical monitors configuration, the system, can ...
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0answers
32 views

Ubuntu says I have two display and cursor flickers

Hello I recently installed Ubuntu 14 on my macbook pro and I'm having an issue with the display settings on it. My cursor seems to flicker and disappear most of the time. I also noticed I have two ...
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0answers
58 views

660ti Displayport Daisy Chain no audio

I have searched the internets for this problem but could not found a solution. I have a dual monitor set up chained via display port. I have no issues with the graphical performance but I do not have ...
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vote
0answers
51 views

Monitor flickering after standby mode Ubuntu 14.04

My ultra book Dell Latitude E7450 is mounted on top of docker station. From docker I send video signal via 2 DVI outputs to two external monitors. One of my external monitors starts flickering after ...
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0answers
14 views

15.04 new monitor adds only after opening settings

I just wanted to know if devs are aware that (maybe it's only for me) if you attach new monitor it doesn't come alive until you open system settings (any part of it). I have Ubuntu 15.04 x64 HP ...
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0answers
135 views

Ubuntu 14.04 - Error on line 1 char 1

I have been using Ubuntu 14.04 for some weeks now dual booted with Vista on a Dell Inspiron laptop. I use a dual monitor set up which was working fine. I unplugged my laptop once from the external ...