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

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NVIDIA Dual Screens - Second Monitor Blank

Recently installed a clean version of Ubuntu 14.10 on my system. Previous to that, I'd been running Windows 7 with no problems. My system has two screens, one of which is a LG Electronics 24EN43 ...
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1answer
255 views

Xserver doesn't want to start

I have a problem with 14.04, my machine wouldn't come back as usual from stand-by to showing me the password prompt but it displayed some message that didn't contain much information on a shell screen ...
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55 views

How do I make Ubuntu 14 see 2 monitors as 1?

This is something I used to do on windows XP where the internal buffer would see 1 montor with a 3200x1200 screen resolution, though I physically had 2 monitors set up with a 1600x1200 resolution. ...
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68 views

How can I get Xorg to handle both fglrx and intel for two devices? Getting segfault from Xorg

I'm trying to get a multi-monitor setup to work by utilizing my primary monitor that is connected to my AMD card and have a secondary monitor connected to my motherboard's VGA slot. The computer would ...
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0answers
181 views

14.10 Dual Monitors are displayed as distorted single screen mode

I have very recently updated my Ubuntu OS from 14.04 to 14.10. I am running on an optimus enabled laptop, with Intel 4000 graphics and an nVidia 640M. *-display description: ...
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36 views

Three Monitors Setup Not Working

I have three GeForce GT 610 video cards in my computer. After rebuilding from a recent HD failure, I've gone to Kubuntu (KDE SC Version 4.14.1). Before all my HD woes I had three monitors working in ...
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66 views

Split Workspace switcher grids in dual monitor setups

I have a dual-monitor setup, with one horizontal and one vertical monitor. When I go into the switcher (SUPER-W), I cannot see anything, because the screen of both monitors is shown in each cell in ...
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54 views

Nvidia-prime and low refresh

So I have been fighting with this issue for a while, I am super happy I could finally use nvidia-prime on Ubuntu 14.04 (What a relief!), so I could run all my OpenGL stuff no problem. Now the problem ...
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17 views

Computer goes to lock after unlocking

My unlocking procedure looks now like this: Start typing (correct) password, which will activate monitors press Enter, computer unlocks Monitors go back to sleep Move mouse Monitors wake up, showing ...
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93 views

14.10 unity | Pointer Flicker & can't move launcher | Dual monitor w/ dual video cards

I have a clean 14.10 desktop install (specs below) with two video cards each powering an HDMI monitor I have two issues, which I believe are related: the left monitor has regular pointer flicker, ...
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86 views

dual screen setup for Radeon R9 285 on ubuntu 14.04

I have just built a computer and installed ubuntu 14.04 on it. However, I cannot get dual head/screen to work. I can get both monitors to mirror the same screen, but cannot get a true dual screen. ...
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1answer
117 views

Ubuntu 14.0.4 freezes when I set up dual monitors

I recently installed 14.0.4 on a new system and I've noticed that my computer will freeze at least 5 times in a work day, where I can move the mouse around, but i can't actually click on anything. My ...
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1answer
37 views

How to set exact position of external monitor in XFCE? [duplicate]

There are few basic options to set up and external monitor in XFCE including "expand to right/left" but that's not enough I want to set position exactly because my monitors have different size. How ...
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14 views

Gnome Dashs shows only some windows

I have a problem with my Gnome shell. I have two monitors. In the dash view, there are only the windows shown which are on my Laptop monitor. If i change the primary Display to the Laptop Monitor, ...
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1answer
259 views

Laptop LVDS (built-in) monitor not recognized under 14.04

I've been running Ubuntu 10.04 on my Dell Vostro 1220 with and without various external VGA devices since 2010 with no problems. I finally tried doing a fresh install of 14.04, and my laptop's ...
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1answer
45 views

Second monitor image position problem

I am using Ubuntu 14.04. After a recently Ubuntu update the image on the second monitor is wrong positioned. Image on second monitor I tried to modify monitors.cfg to adjust the x position but no ...
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0answers
51 views

3 displays, 2 connected to GPU, one connected to motherboard

I have 3 displays, 2 connected to the GPU (it is an AMD HD 6790, DVI and HDMI connectors), and another one using my mobo's VGA connector (the one you use when you don't have a dedicated graphics ...
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71 views

How do I switch my monitors separately on Ubuntu 14.04?

I have two monitors, and would like each monitor to have its own desktop wall. I did some Googling, installed CompizConfig Settings Manager, and changed Desktop Wall => Viewport Switching => ...
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29 views

My Xorg.conf file has both cards but only one monitor working?

I am trying to get my second monitor to work off two old amd cards (Radeon X1300/ rage Mach64). these cards are no longer supported by amd. When I generate the xorg.conf I have device sections for ...
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99 views

Desktop Icons Off Screen Combined Display Ubuntu 14.10 Gnome 13.14

I have two monitors side by side both with the same 1680x1050 resolution, but one is lower than the other. But if I arrange them as such in the display settings then any icons that I have at the top ...
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214 views

Problem on using multiple displays on Ubuntu 14.04.1 LTS

I have a laptop with an Intel integrated graphic card, i.e. id: display description: VGA compatible controller product: Haswell-ULT Integrated Graphics Controller vendor: Intel Corporation ...
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85 views

Mouse flickers and computer is unresponsive while mouse is moving

I just installed a second video card in my PC to add a third monitor. Ever since I did this, I have found that my mouse flickers. Also, while watching a video (e.g., on youtube) the video stops while ...
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29 views

How can i play games on 3 monitors?

I have 3 monitors, 1 Samsung SymcMaster 206bw 22" I think, and 2 NEC MultiSync LCD195vxm+. I have a graphic card sapphire R9 270. Samsung monitor is on Display Port, and both NEC are on DVI. I play ...
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1answer
95 views

Added 2nd monitor, caused mouse and keyboard not to work and more

So I have a Radeon 9800 with 2Gb video RAM, Intel i7 4th gen, 32Gb RAM Dell XPS 8700 chassis running Ubuntu 14.04. I've had 2 monitors on my desk as I switched from my old PC and today I finally ...
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69 views

Second monitor detected but appear to be “off”

I have been enjoying dual monitors using Xubuntu with Nvidia driver 340.58 for some time now. However, suddenly one of the monitors stops working. In nvidia-setting panel it just appears as "Off" and ...
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1answer
256 views

ubuntu 14.0.4 64bit keeps freezing - NOT A DUPLICATE [duplicate]

I've just installed 14.0.4 on a new system and I've noticed that my computer will freeze at least 5 times in a work day, where I can move the mouse around, but i can't actually click on anything and ...
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62 views

how activate Eyefinity on ubuntu?

I have 3 monitors, 1 Samsung SymcMaster 206bw 22" I think, and 2 NEC MultiSync LCD195vxm+. I have a graphic card sapphire R9 270. Samsung monitor is on Display Port, and both NEC are on DVI. I tried ...
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135 views

Lubuntu 14.04 - Connect projector to Asus Eee PC 1000HD

I have replaced windows XP with Lubuntu 14.04 on my mum's old netbook (Asus Eee PC 1000HD). She uses it mostly for presentations, so she connects projectors pretty often. Unfortunately, there is a ...
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47 views

EDID invalid => wrong resolution (identical monitors)

I have 2 identical monitors. However the one connected to the second port on my workstation is not recognized by the system. I have an NVIDIA GTS graphic card. The PC was shipped like it is now. No ...
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1answer
49 views

ATI Radeon X600 and two monitors

just installed ubuntu 14.04 LTS, can not customize as expected two monitors in any attempt to change the parameters of their joint work- error, and indeed the system slows down, I think it's because ...
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332 views

Nvidia Prime does not detect external VGA monitor after updating Ubuntu-drivers-common and xorg

This post is a followup to another post I had about accessing my external monitor after upgrading my ubuntu-drivers-common package. I had found the cause to be this bug, but now that a fix is ...
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2answers
51 views

Multiple monitors freeze and have artifacts when logging in

When I boot into Ubuntu on my computer 2/3 times the monitors will freeze and the system will become unresponsive. I have triple monitors. This is what is looks like when it freezes. All of the ...
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1answer
85 views

Using Genius MousePen i608 with multiple screens

I own Genius MousePen i608, and I want to use it with multiple screens (just on one screen), but the tablet is controling every screen, so the area on it is splitted in half (first half for first ...
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1answer
80 views

Dual Monitors, play movie on one, while typing on another

I have a dual monitor setup for my laptop, running Kubuntu 14.10. On the laptop I want to be able to load up a text file or Firefox and type at the same time on the second monitor I have a movie ...
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64 views

Dual monitor screens are reversed only in login screen

Today I installed Ubuntu 14.04 on my computer. I have dual monitor setup, and they work perfectly when I'm logged into the operating system. But every time I have to login in the login screen, the ...
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39 views

Extended Desktop broken into 4 halves on 2 monitors

I'm having this issue on my HP Envy 17-2070nr with a Radeon HD 6850M. I'm using Ubuntu 14.04. Here's info. for anyone who can help: Extended desktop causes internal monitor to show 1/2 of its own ...
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1answer
44 views

Grub: preferred video interface at boottime

My HDTV is connected through HDMI. My desktop through DVI. At boottime grub displays the bootmenu ( where I can choose for Windows or Linux) only on the HDMI interface. Since my TV is off during most ...
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120 views

Video flickering in full screen mode only in chrome and chromium. firefox works fine. intel hd4000, external monitor via hdmi

Since I updated to 14.10 I get some annoying flickering while watching video in chrome and chromium, but only in full screen mode. Firefox works fine, but i prefer chrome/chromium. It worked fine in ...
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27 views

CLI: Defoult monitor and it's resolution

To keep long story short: I have 3 monitors plugged into my computer. Main (1920x1080) via DVI, secondary (1440x900) via D-sub and a TV (720p) via HDMI. I want to have CLI (and possibly GRUB) on the ...
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1answer
204 views

2nd monitor not recognized on boot after upgrade to Xubuntu 14.10

I'm running Xubuntu 14.10 on a old MacBook Pro with a VGA monitor as second display. The displays were set up with xrandr in autostart as following: /usr/bin/xrandr --output VIRTUAL1 --off --output ...
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1answer
133 views

system freeze after monitor power save

I have a Lenovo ThinkPad running Ubuntu 14.04 LTS with a DELL U2414H connected via the Display Port as a secondary display. When the monitor goes to power save mode and I try to wake it up, I get the ...
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388 views

14.10 two monitors with GeForce GTX750

I have some problem with my desktop pc and Ubuntu (both 14.04 and the newest 14.10). My pc has two monitors: the first one is old and has only VGA (D-SUB) plug - I plugged it to Intel Graphics ...
2
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1answer
380 views

14.04 - Nvidia HDMI problems

I'm running Gnome-shell 3.10 on Ubuntu 14.04 When I connect the monitor to the HDMI port, video is displayed, but mouse movement, and opening windows, causes some weird clipping effect. Connecting the ...
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129 views

Problem switching to external monitor in Ubuntu 14.04

I usually use an external monitor to watch videos from my DELL Studio 1537 laptop. I just use the Fn + F8 combination to switch to the external monitor and I didn't use to have any problem. Since I ...
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3answers
115 views

can't rearrange multiple rotated displays

I'm trying to set up a computer with 3 HDTVs as one big screen, with each display being rotated 90 degrees to form a 3240x1920 desktop. I have them all hooked up and working, but when I try to rotate ...
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43 views

Ubuntu refuses to recognize my external monitors

I'm running Ubuntu 14.04 as a guest OS using VMWare Fusion 6. My machine is a MacBook Pro with and Intel Iris Pro graphics chipset, running OSX Yosemite. I have two external monitors plugged in to the ...
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192 views

Trouble with NVIDIA X Server settings: Second desktop bleeds onto main desktop (14.10)

I've got a malfunction trying to run Ubuntu 14.10 with dual monitors. I got my TV connected to my laptop via HDMI, opened up NVIDIA X Server Settings, set the TV up the way I liked it and all was ...
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35 views

Second moniter wont work in ubuntu 14.04

I have a NVIDIA GeForce 9600 GT card and two Samsung monitors. Currently only one is showing anything although according to my settings both should be on: http://i.imgur.com/6WRrkyC.png (I don't have ...
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1answer
88 views

multiple monitors, multiple workspaces, multiple mouse&keyboards

I have three monitors, three workspaces, and three mouses & keyboards, and only 1 Linux machine. Can I attribute each monitor and mouse and keyboard to a specific workspace?
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61 views

Black bars when setting wallpaper to span on multiple monitors

I have a wallpaper with a width smaller than the total width of my two monitors. In windows this isn't a problem, because when setting the wallpaper to the windows equivalent of span, it just spans ...