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

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2
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276 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 ...
2
votes
0answers
468 views

Can't enable 3rd monitor in ubuntu 13.10 fresh install

I recently installed 13.10 on my Lenovo T430 laptop, which is closed and attached to a dock (not a port replicator, a dock). Before, I was using Windows 7 and occasionally booting into 12.04, and ...
2
votes
0answers
374 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
0answers
111 views

How can I make multiple monitors go to standby independently?

I have a two-monitor setup. One monitor I use all the time, the other sometimes. I find myself switching the second monitor on and off quite frequently, so as not to be distracted by its contents. Is ...
2
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0answers
113 views

How to keep the open windows in the right workspace while changing/rotating monitor?

when I plug in/out an external monitor monitor, or I rotate the laptop monitor, the windows/applications open in the several workspaces often mess up, such as in the following figure: How can ...
2
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0answers
730 views

HDMI works only after restart

I connect additional monitor to my laptop by HDMI. System detects second display only after restarting. xrandr command result without restarting computer: /$ xrandr Screen 0: minimum 8 x 8, current ...
2
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0answers
131 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
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0answers
122 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
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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
166 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
711 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
votes
0answers
450 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
votes
0answers
853 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
211 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
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0answers
298 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
votes
0answers
450 views

Dual screen mode on laptop and suspend

I'm using dual screen mode on a Lifebook a531 with external monitor at hdmi. When I close the lid my laptop didn't go to suspend. Only both screens are blanking. Moving of mouse pointer wakes up an ...
2
votes
0answers
591 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
725 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
297 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
198 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
votes
0answers
936 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
votes
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. ...
1
vote
0answers
31 views

Ubuntu locks up after reboot with 2nd monitor

Ubuntu 16.04 or Ubuntu MATE 16.04. Install OS, updates, and apply Nvidia driver. Install several applications like Skype, Chrome, Dropbox, and HipChat. No problems. Reboot, no problems. Connect 2nd ...
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0answers
97 views

Can't change multi monitor display positions in Ubuntu 16.04

I've just done a fresh install of Ubuntu 16.04 and most things are working great :) However, I have a 3 monitor setup and I'm not able to adjust the relative positions of the displays. If I try and ...
1
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0answers
28 views

Kubuntu - adding a 3rd monitor connected to onboard

Please help me find the answer in adding a 3rd monitor. My setup is I have 2 monitors connected to an external VCard (GeForce GT 730). I am adding a 3rd monitor which is connected to the onboard video ...
1
vote
0answers
11 views

desktop built-in VGA port and Nvidia geforce210 for dual monitor

I have a problem on my monitor, one monitor is connected to the built-in VGA port and the other one is connected on my video card which is a NVIDIA GeForce210. At first the two monitor work but when I ...
1
vote
0answers
28 views

added display moves icons to extended desktop

I have my laptop set up with an extended display in Ubuntu mate. when I add the screen, all my desktop Icons move to the extended portion. How do I prevent that from happening? I have been using ...
1
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0answers
16 views

Ubuntu 15.10 detects a not-present display in monitor settings

I have an Asus K53SC that has Ubuntu 15.10 installed, and in monitor settings it detects a not really present second monitor called Unknown Display. Sometimes it enabled automatically itself, and I ...
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0answers
85 views

Ubuntu doesn't detect an external monitor

I have two monitors. The first one works fine with both my windows and my Ubuntu 15.10 machines. The second one works with my windows machine, but not with my Ubuntu machine. It is outputing a DVI ...
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0answers
9 views

When I select a window by using mouse cursor it doesn't really works

I'm using two monitors so that I have my desktop extended. It works fine except that when I select other window by using the mouse cursor it doesn't really select it, in a way that if I start writing ...
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0answers
19 views

Three Screens: Duplicate primary screen and have 3rd secondary screen without launcher

I have two screens, that I use for working and surfing, the primary (with unity launcher) is 16:9 and the secondary (without unity launcher) 5:4. When I have guests or lie in my bed I would like to ...
1
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0answers
18 views

Laptop Monitor not turning on with two external monitors

I have a Dell Inspiron N7010 set up with two external monitors. System Settings Details The problem I'm facing is I cannot get the laptop monitor as well as my two external monitors to all turn on ...
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vote
0answers
83 views

Best solution to connect 3 external monitors to Dell XPS 15 9550

I am searching the web for a while and am confused. Hope you will help me in choosing the right solution. I want to connect 3 external monitors (possible Dell E2216H) and am searching for the best ...
1
vote
0answers
31 views

Gnome - Show all windows from all monitors

I switch from Unity to Gnome and I miss one function. In Unity when I press workspace button, shows on all monitors all workspaces. This is very useful, when one of my monitors is off. I can move all ...
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0answers
62 views

VM Gaming via GPU Passthrough without a dedicated monitor?

I'm looking at building a computer that can virtualize two or more gaming machines at once. I'm hoping to be able to play two (or more) games at the same time, and I'm hoping to be able to display ...
1
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0answers
60 views

black bar when using multiple monitors using 16.04

I'm using Ubuntu 16.04 and I have a problem when using two monitor. As you can see in the screenshot, there a black bar. In the screenshot we see an horizontal black bar in the right monitor. In the ...
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0answers
26 views

Dual Monitor Issue

I have connected my laptop to an external display and setup the external display to be on the right of my laptop screen. In the Display Settings, I have selected the option to have the launcher on ...
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0answers
19 views

the mouse cursur is blinking after I plugged second external screen

I plug my laptop to 2 external display monitors. When the mouse cursor is placed in the first one, everything's fine, but when I move the cursor to the second screen it starts blinking while the rest ...
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0answers
114 views

Thinkpad X250/X260 w/ docking station w/ 2 external monitors w/ Ubuntu >= 14.04?

Has anyone already tried the set-up described in the title? Thinkpad X series >= X240 docking station Ubuntu >= 14.04 with two (high resolution) external monitors? (How) Does it work? Which ...
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0answers
34 views

How to setting up the third monitor on the built in graphics card

I can't setup my third monitor on Ubuntu. System: Ubuntu 14.04LTS Graphics card: nvdia geforce gtx550 and the built in intel Nvidia driver: NVIDIA binary driver - version 352.63 from ...
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0answers
85 views

Connecting Second Monitor to Laptop via VGA Cable - Screen detected, but screen says no signal

I have a ThinkPad T60 and am running Ubuntu 15.10 (I was having this problem on 14.04, so hoped updating might fix it). My second screen is a TV monitor, but I've attempted connecting to other ...
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0answers
88 views

Ubuntu driving 4K LG TV (55UF7600)

I have a laptop that is capable of driving 4K screens (drives a 2K screen regularly). I'm trying, without success, to get it to drive a 4K TV (LG 55UF7600) through a Display Port out to an HDMI in ...