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

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Dual Monitor Problem

I want use my dual monitor, which each monitor connected with different graphic hardware, Intel graphic and Nvidia graphic card. a both monitor is on, monitor which connected on Nvidia work correctly, ...
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1answer
4k views

Dual monitor connected to hdmi port not detecting on Dell Vostro 3750

I am using Dell Vostro 3750 laptop with 2 monitors. OS Kubuntu 13.04 1 monitor I connected with VGA and it is working fine. But another monitor connected to HDMI port is not detected. I connected ...
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1answer
28 views

How do I setup a second monitor (extended display) in Xfce?

I am using Xubuntu 15.04 on a Mid 2012 15" Macbook Pro. I have a second monitor of a different, smaller resolution that I would like to connect as an extension to my desktop using a mini-display port ...
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Two Monitors on Mac Mini

I recently installeed Ubuntu 14 with 3.16 kernel update in may Mac Mini (2011). But i have two monitors, one atached on Mac Mini HDMI out and the second atached ond the Thunderbolt port with an ...
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External monitor not going to sleep (MATE 15.04)

System : Ubuntu MATE 15.04 Machine : Toshiba Radius P55W-C5200 External monitor : Lenovo 23" IPS LED HD uname -a 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:16:27 UTC 2015 i686 i686 i686 ...
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3answers
4k views

Nvidia X Server Settings only shows 1 screen (laptop + external monitor connected)

I have recently installed a new copy of Ubuntu 14.04 on my Dell M3800 which has Nvidia Quadro K1100M graphics card. Later I also connected my external monitor via HDMI (HDMI to DVI connector). Then ...
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0answers
9 views

Screen completely glitches out when I plug/unplug monitor with laptop on

I have a mobile i7 running Ubuntu 15.04, and I have a 3 monitor set up including the laptop. Now, everything used to be fine: I could come home from College with my laptop still on and plug in my ...
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Ubuntu 15.04 dual monitors lose window

When i'm on work i use 2 monitors. When ubuntu is locks on timeout, or suspend and then work on internal laptop display (at home) some windows can't show, because of incorrect window coordinates. I ...
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1answer
36 views

Two different workspaces for two monitors

I know this question has been asked before in the last 5 years or so, but my situation seems to be different. I recently aquired a new monitor for my laptop and I'd like to view a separate workspace ...
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0answers
15 views

Ubuntu - Unclear desktop - Missing horizontal pixels?

I just download Ubuntu 14.04 and created bootable USB with it. On 2 PCs it is working realy great, both run with out install and preinstalled. On both pc system auto loads 2 monitors, full hd - there ...
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4answers
4k views

Dual Monitor not recognized in Xubuntu 14.04

I have a Dell Latitude Laptop E6440. The laptop have two in4terfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
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1answer
116 views

Lenovo USB 3.0 to DVI/VGA monitor adapter ubuntu 14.04

I just brought an extra screen and found that I had no spare slots for it. So of course I went out and got a USB to DVI/VGA adapter In the crate a cd with an exe file on it followed. Now i have ...
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1answer
14 views

How to use a USB2VGAE3 on Ubuntu

I've been looking for days the answer on the Internet but still unable to find it. I asked to Startech Support and here is the answer : "Thank you for contacting StarTech.com. We apologize for any ...
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0answers
26 views

auto-login doesnt work with external monitor attached (ubuntu 14.04)

I have a laptop with nVidia graphics card and Ubuntu 14.04 on it. I connect it to an external monitor configured to clone the laptop's own screen. Auto-login is enabled (settings>user>auto-login>ON). ...
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16 views

Wrong interface when using dual screen (only on reboot)

I'm having huge issues with my computer in dual screen mode, and after searching everywhere, I can figure out how to solve this. My setup is a laptop with 1366x768 resolution and I connect to a ...
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0answers
19 views

Few problems after installing Ubuntu

yesterday I decided to install Ubuntu on my Windows 7 so there'll be a dual-boot. I didn't made any backups and the problem was Linux couldn't find a operating system on my PC (It didn't find windows ...
2
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1answer
338 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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2answers
6k views

Turn off laptop display and have monitor

My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the ...
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2answers
3k 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 ...
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1answer
21 views

Unity keyboard shortcut to move mouse (and focus) from one screen to another screen

Enjoying multi-monitor setup at home and work, but wondering how to move focus between individual monitors (ie "screens") without a mouse? Keyboards shortcuts are excellent for switching virtual ...
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1answer
5k views

i can not watch youtube full screen videos on the monitor

I have just got a new monitor to connect it to the laptop. I have opened Firefox in both screens. When i make full screen mode on the monitor and want to surf the web on the laptop at the same time, ...
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22 views

multiple configuration in ~/.config/monitor.xml

I am using fresh installed ubuntu 15.05 with integrated and discrete intel and nvidia graphic cards. why my ~/.config/monitor.xml file contain two configuration tags having same configuration ...
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0answers
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Ubuntu 14.04 LTS goes crazy when connecting VGA projector

In my school I'm migrating from Win to Ubuntu. But 2 PC-s from 30 totally identical PC-s wont play nice when attached to turned off projector under Ubuntu/Unity. Scenario 1: Projector attached at ...
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3answers
2k views

How to fix multi-display after upgrade? (Ubuntu Gnome 14.04, Nvidia Optimus)

I did a dist-upgrade today and after rebooting it would not load any GUI (tried lightdm and gdm), just stuck at the blinking underscore cursor. I noticed the driver had changed to Nvidia 343 so I ...
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0answers
24 views

Disable “Could not switch the monitor configuration”

Is there a way to disable the popup that says "Could not switch the monitor configuration"? I am only interested in disabling the popup, not fixing the underlying problem. I am constantly ...
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0answers
67 views

Unable to use my 4k monitor at maximum resolution when used with one or two others FHD monitors

I would like to use my 40" 4k monitor (Philips BDM4065UC) alongside with two others WUXGA monitors (Dell U2412M). I can successfully run : my main 4k alone at 3840x2160@60Hz, or my main 4k at ...
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0answers
23 views

2nd vga monitor not being detected shows 100% black screen

Hey guys my 2nd monitor is on but is just showing a black picture. my main monitor is connected to the video card (Amd 280) whereas the 2nd monitor i connected to the motherboards VGA port the VGA ...
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1answer
28 views

Which video cards play nice with 14.04 and 2 monitors?

I'm a newbie to Ubuntu and I'm totally hooked... but, I cannot get a GeForce 8400GS to work with 14.04 and 2 identical monitors - extended desktop. I've all but given up and I've spent days looking ...
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0answers
42 views

Ubuntu not using external monitor by default

Okay, because I couldn't think of a better way to title this question, I'm going to try and describe my issue in detail here. I like to use my laptop as a desktop; I have an external keyboard and ...
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0answers
22 views

Help with installing j5 USB display adapter on Ubuntu 14.04?

I'm trying to get a dual monitor setup on my desktop computer running only Unbuntu 14 (no windows/mac OS). I am using a USB to VGA adapter with an external video card, and when I put the disk in to ...
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Problem with adding second monitor to Ubuntu 14.04 [closed]

I purchased a VGA splitter with a USB attachment (for power) from Radioshack and have connected the two VGA cords from my two monitors to that adapter. The problem is that when I turn the computer on, ...
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1answer
26 views

triple monitors and xinerama = black screen when game starts?

after a fresh clean install of ubuntu (my old install got borked somehow) i cannot for the life of me get my games from steam to play when Xinerama is enabled, it worked with my last ubuntu install ...
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Wacom Intuous 4 + Ubuntu 14.04 Switch monitor doesn't work

So, my tablet works perfectly, it recognises the pressure, tilt, all the buttons works and I can switch between relative and absolute mode. However I have two monitors, and pressing the button of ...
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3answers
4k 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 ...
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3answers
2k views

Touchscreen with dual monitors

i have ubuntu 12.04 and two monitors, where first is touchscreen. System recognizes resolution as one big screen with 3840 * 1080 resolution. Problem is when using touch calibration, calibrator ...
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2answers
60 views

Several problems: Can't get multi monitor setup to work (or nvidia drivers/cuda toolkit), tty console not working aswell

I'm reinstalling Ubuntu 14.04 for the fifth time today, I already tried several solutions on a completely fresh installation (my default keyboard/mouse don't work during installation, have to use a ...
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0answers
22 views

Ubuntu dual screen, one has artifacts until display arrangement changed

so I have a problem. Whenever I login my primary screen is filled with random colors. The secondary is not. Like this: http://i.stack.imgur.com/HQXun.jpg But if I go and change the arrangement of ...
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1answer
180 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
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0answers
28 views

Can't move edge-docked window-application to other monitor [closed]

What's my setup? I've got a ubuntu 14 LTS with unity desktop and 2 displays (same vendor, same model) connected. What I want to do I want to use keyboard shortcuts to move a desktop application ...
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0answers
23 views

Choose Different Screen Layouts with Latest NVIDIA Driver Dual 4K Setup

I just bought a ASUS PB287Q monitor and hooked it up (via HDMI) to my ASUS N550JK-DS521H. Everything works...but the performance of rendering on the external (right) monitor is terrible. So bad I can ...
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0answers
12 views

Help with connection 2 external monitors to a laptop

i have a Lenovo y40 and i installed Ubuntu 14.04 and i need to plug 2 external monitors, i have one connected to the HDMI port and the other one is plugged in with a VGA to USB adapter, but the ...
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0answers
7 views

My Monitors are calibrating every few minutes - what can i do against it?

im using Ubuntu 15.04 running on a DELL Latitude E7440 with a Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b). Also i have a Dockingstation from DELL for this Notebook, at this ...
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2answers
94 views

How do I get Ubuntu / Nvidia GeForce 8400GS to correctly recognize two identical monitors?

Thank you all for the help so far, I think I'm stuck trying to edit or create a proper xorg.conf file that will give me a consistent display on start up. I have two identical monitors - Samsung ...
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1answer
63 views

External monitor not working after docking

I am running Ubuntu 15.04 on my T450s (Intel graphics card) with kernel 4.0.8. I originally updated the kernel to be able to use two external monitors with my ultra dock. Now, when I dock my running ...
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34 views

Can't Set UI Scaling Per Display in Gnome

Problem I want to be able to have different interface scaling options set per monitor. Right now, I can only change values for all monitors. I'm using Ubuntu Gnome 15.04 on a Lenovo ThinkPad X1 ...
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87 views

Second Monitor is not working properly on ubuntu 15.04 after changing driver

I am using ubuntu 15.04 with RADEON graphics on a samsung notebook. The extra monitor that I used to Plug on it was working perfectly, until I changed the proprietary driver of my video card in ...
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2answers
4k views

Is this a dual monitor reset bug?

My two displays are: Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display) External display (1920x1080) A few minutes after I login to my dual monitor setup, it gets reset to ...
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1answer
73 views

Graphics (geeqie) slow after 15.04 upgrade

I upgraded an IBM Thinkpad T440p from 14.10 to 15.04 the other day. I am noticing that full-screen image viewing is really slow. For geeqie to paint the screen (of a 1920x1080 external monitor) with a ...
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0answers
24 views

How can I get my second monitor to work on Intel HD4600

My primary graphics card (as set in the BIOS) is my R9 280X. It works perfectly fine with the monitor running off it. However, my secondary monitor (an older one, a beige 4:3) which is plugged into ...
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1answer
28 views

Laptop does not like external monitor

Recently, I installed Ubuntu 15.04 on my machine and got everything running about as it should, except for one thing: my external monitor can not be set as default. Every time I plug in my external ...