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

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Ubuntu Freezes When Monitors Turned Off Then Back On

I've been trying to figure out how to stop Ubuntu from putting my computer on standby because each time I tried to wake it, I found the OS had crashed/frozen. I'm using multiple monitors and after ...
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Two external monitor on Dell XPS 9350 (2016 model)

On Dell XPS 9350 (2016 model) you need to use the USB-C port if you want to enjoy a external monitor. One of the USB-C adaptors is Dell Adapter - USB-C to HDMI/VGA/Ethernet/USB 3.0 (DA200). When I ...
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26 views

Ubuntu 16.04.1 AMD R9 380 dual display

Let me start of by saying that this is not a "why is there no fglrx?" type of post. I've been using Ubuntu since 2011. While I'm not new to it, I don't live and breathe the ins and outs of the innards ...
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6 views

Change of brightness affects monitors position

I have Ubuntu 16.04.1 and a laptop Acer Aspire 5820TG. When I change brightness (pressing Fn+Left) down, my monitors are going crazy (switching on and off / changing positions and resolutions). How ...
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23 views

nVidia prime - can't run external monitor on Asus Zenbook

I bought a new ASUS Zenbook UX501VW with Intel card + Nvidia Geforce 960M. First what I did after installation was set grub option to nouveau.modeset=0 because fans were really loud. I guess that this ...
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10 views

How can I constrain workspace-switching animations to their respective monitors?

Is it possible to ensure that the animation for windows while switching between workspaces stays on the window's monitor? For example, if there is a window on the right monitor (indicated by W below) ...
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27 views

Dual monitor setup with Two Graphic cards on Ubuntu 16.0 (GTX 630 and GTX 610)

I'm trying to setup Dual monitors for extended desktop on Ubuntu. I have two cards, GTX 630 and GTX 610, its been a mess for the last 2 days but I've made it work up to a point where the mouse moves ...
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11 views

Ubuntu - Gigabyte z170MX gaming 5- 3 benq monitors

It would appear that ubuntu recognizes my 3 Benq 24" inch monitors. The motherboard in question supports 3 displays. Unfortunately, when all 3 are plugged in the one from the VGA port works, the ...
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1answer
20 views

Can I use my Ubuntu notebook's display as second external monitor for my Windows desktop? [on hold]

I have two different devices: A notebook running Ubuntu and a desktop computer running Windows 10. I want to connect my notebooks display to my desktop computer as additional external monitor. Is ...
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17 views

How to use 1k external monitor with 4k Dell Precision laptop

I have a 4k Dell Precision 5510 laptop, and I need to add a 1k external monitor to it, but I can't get the resolutions to get along. If I use @2x scaling, everything looks comically large (and ...
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6 views

Unity Dock Appears When Viewing Movies On Dual Screen System

I have a dual screen setup and I often will have a movie playing in VLC while surfing the Web on the other monitor. I place the movie in full-screen mode with no Unity Dock showing. However, when I ...
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11 views

Cannot configure external monitor

I'm trying to connect my laptop (Dell precision m7510) to an external monitor (Dell U2711), either using DisplayPort, or using the HDMI and to no avail. It appears as though the monitor is recognized,...
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1answer
35 views

ubuntu 16.04 doesnot detect second screen while screen is locked

I have Dell E6430 and connecting to it another screen using VGA cable , I installed Ubuntu 16.04 and whenever the screen is locked i must open the screen of the laptop to write the user name and ...
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48 views

Dual Monitor problems

Good Afternoon, I'm running Kubuntu 16.04, and on a Laptop with Nvidia Graphics, and a use an external display. The first time I connected the monitor, everything worked exactly as I wanted, and by ...
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Using dual monitor with STLab U-1200 usb 3-c to hdmi

I just migrated from Windows to Ubuntu. On windows, I was using dual 27" dell monitors, one connected through an HDMI and the second with a mini docking station usb 3-c to hdmi (stlab u-1200). On ...
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26 views

multiple 4k monitors on 16.04, issues

The problem is supporting two external 4k monitors from a notebook that has a built in 4k display. I can run either external 4k monitor from HDMI or mDP just fine on all desktops (Unity, Gnome, Gnome ...
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61 views

Second monitor doesn't awake after turning off

I have two monitors (not mirroring) which generally works as they should. However, sometimes (not always!), when I turn the monitors off, and the, turn them on again (typically for the lunch break), ...
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1answer
75 views

VGA passthrough with QEMU and KVM - Nothing on screen

These last few days I've been trying to set up a windows virtual machine with VGA passthrough, using this guide as my main reference: https://www.pugetsystems.com/labs/articles/Multiheaded-NVIDIA-...
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11 views

2nd monitor refresh rate not supported?

It's my first time with Linux, so I'm totally noob, but I wanna learn. I have Ubuntu 16.04 installed on my PC (along with Windows 10). My GPU is Radeon HD7850 (not sure what drivers I'm using - stock) ...
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92 views

Ubuntu 16.04 not detecting the second screen

Ubuntu 16.04 LTS cannot detect the second screen. I connect my PC with to two screens, one from the VGA and the other from DVI-D to VGA. The two screens show exactly the same picture. I tried to set ...
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35 views

AMD Open Graphics Drivers Issue

I've had to to upgrade to 16.04 as 15.10 is no longer receiving updates however as AMD have not got their drivers ready yet for my graphics card, if they ever will, which is a Radeon 6850 OC, that ...
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12 views

How to lock the mouse pointer to one screen?

How can I lock the mouse pointer to one screen in a dual/multiple screen setup? Ideally, I would like to be able to move the pointer from one screen to another only while holding a key (like CTRL). I ...
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13 views

Does the usb 3.0 to vga (or dvi or hdmi or even displayport) function work with the new 4.4 kernel?

I've bought a laptop with a nvidia optimus graphics card and I don't want to activate the nvidia profile every time I want to use an external display. So I thought that a usb to vga adapter could be ...
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51 views

Support setting external monitors for Ubuntu 16.04

I have : Dell Laptop Inspiron 13 - 7000 Series (7353 modal ) Internal Video card : Intel® HD Graphics 520 (Skylake GT2) 2 Dell Monitors - UltraSharp U2414H Dell Docking Station 3.0 - D3100 Ubuntu ...
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33 views

Dual monitor not working

II am using ubuntu 16.04. I have 2 monitors 1 is connected with my nvidia 660ti(23in) through HDMI port and the other one is connected with built-in motherboard (VGA port). after starting ubuntu 2nd ...
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1answer
59 views

How can I only make a specific screen sleep?

I use my laptop with multiscreen: laptop screen on one side, my TV displaying my media center (Kodi) on the other side. Problem, when I use my media center to watch a movie, the laptop screen never ...
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6 views

Applications rendering at low resolution

Symptom: Applications are being rendered at 720x1280, but xrandr is showing 1440x2560. (Yes, I have my monitors oriented vertically) User Experience: I opened my laptop lid as it was running on ...
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24 views

(Dual Screens) Mouse moves main display to side and shows second display on both main and second display

This is the most hardest thing to explain but here is a video of my problem: https://drive.google.com/file/d/0B0TIGQnxlWUpamlGaG5KLXRkVkE/view This has been bugging my ever since I when from Windows ...
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1answer
34 views

Can't stop mirroring in dual monitor setup

I am running Ubuntu 14.04.3 64-bit, and have two Dell 17" monitors connected at a single VGA port. Both monitors are on, and mirror the same display. I am not able to detect the second monitor, when ...
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26 views

How to configure xrandr when USB device is present

My laptop is connected to a Dell D3100 hub (via USB) which has video outputs - one of which is connected to an external monitor. However, that external monitor won't work unless I run sudo xrandr --...
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1answer
47 views

14.04, 3 screens in portrait, adjustment to be done each reboot

Every time I reboot my screens are like this, with a space in between them. My xorg.conf file does not get overwritten each time since the content is identical from one boot to the other (xorg.conf ...
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22 views

multiple session multiple monitor one keyboard question

I am having a hard time with a automated multi-session setup. The situation: I have a full Ubuntu 16.04 computer with a VGA monitor that runs perfectly. I would like to plug in an HDMI Flatscreen to ...
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50 views

HDMI1 is disconnected

I'm trying to get a secondary monitor working with my laptop. I'm running Ubuntu 16.04 LTS. I have Windows 10 installed on the same laptop and it works in Windows 10. Currently xrandr -q outputs: ...
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25 views

How to make ubuntu recognize an external screen when laptop is docked during boot

Consider the following scenario: I connect my Thinkpad (with optimus) to my docking station Boot the laptop Than I want that ubuntu recognizes that the laptop is docked and that an external ...
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1answer
35 views

Programs launch to wrong display

I am using Ubuntu 16.04 and have the desktop spread across two displays: Sometimes when I start a program from the launcher on the BenQ display, the window will open on the laptop display. This isn'...
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1answer
60 views

Nvidia Drivers and Two Screens problem

Well, I like games and most of games I have only work with OpenGL 4.0, but when I use X.Org driver it only has OpenGL 3.0; and with the Nvidia 364.19 driver (My notebook has a GeForce GT 750 M) it has ...
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51 views

Is there any way to tell what Mini DisplayPort version (1.1 or 1.2) this ubuntu laptop has? And if it supports MST?

Dell Laptop XPS 17 L702X I have two Dell U2515H monitors connected via daisy chain to the laptop Mini DisplayPort (both monitors have DisplayPort version 1.2 enabled from the OSD). Both external ...
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1answer
49 views

Ubuntu in VMware player won't detect multiple screens anymore

I'm using Ubuntu 16.04 running inside VMPlayer 7.0.0 (on Windows 7), and I don't see any of my screens (I'm using 3: the laptop's built-in and two via hdmi). I'm running open-vm-tools, open-vm-tools-...
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0answers
41 views

External display on usb-c doesn't work above 1024px resoultion

I bought Asus Zenbook Pro ux501vw and DELL DA200 device. I installed Ubuntu 16.04 LTS on my asus and connect external monitor via HDMI and it works good. When I tried to connect 2nd external Monitor ...
2
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1answer
31 views

Where does Unity/Unity-Greeter Load X Configuration From?

On my setup, I have one monitor that has been rotated vertically, and another that is the usual horizontal orientation. I've set all the display settings in my GNOME shell so everything looks fine, ...
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Is it possible to clone a single viewport to a secondary screen?

Let's say I open my browser on my viewport number 2, with some realtime data displayed in it which I want to keep an eye on. Is it somehow possible to clone that viewport to an external screen? So if ...
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1answer
44 views

Dual boot Windows 10 and Ubuntu

I've got dual boot going OK. I can select which OS I want in the Grub menu between Ubuntu and Windows 10, but when I boot into Ubuntu after booting going into Windows, there is a pop up saying "Ubuntu ...
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0answers
14 views

External screen flashes after changing resolution

I used xrandr to add the resolution of my external monitor (1920x1200). When I first did it, last year unsing Ubuntu 15.04 and Ubuntu 15.10, it worked fine, except that I couldn't get the settings to ...
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69 views

How can I make it so that Ubuntu recognizes my plugged in external monitor on the left side every time?

Every time I turn on my laptop and plug in my external monitor via HDMI, I need to go to the display settings to adjust the default settings. On start-up, I get a duplicated screen instead of the ...
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0answers
85 views

Multimonitor issues on 16.04 with NVidia Optimus

I have a problem with my multi-monitor setup: Thinkpad T430 with the NVidia Optimus Ubuntu 16.04 Internal screen 1600x900 External screen (connected to docking station) 1920x1200 XRandr is ...
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+50

Rotate dual monitor screen 90 degrees on Ubuntu 15.10

I am trying to rotate a dual monitor which is attached to the VGA output of my laptop. My system is Ubuntu 15.10. However, here is the outcome I get when I use xrandr: xrandr --output VGA-1-0 --...
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1answer
126 views

External monitor(s) dark out on one account and I cannot set monitor layout, how to fix?

Seemingly "out of nowhere", my Dell e7440 running Ubuntu 16.04 with 2 external monitors displays only the login screen for external monitors, when I login it shows system error and external monitors ...
2
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1answer
47 views

VGA splitter doesn't show two separate screens on ubuntu MATE 15.04

A few days ago I was lucky enough to obtain a free monitor and I decided to buy a VGA splitter to use it with my other screen. The splitter is an Aten VS92A, if it can be useful. The device works ...
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1answer
39 views

“Aw, snap!” (chromium bugs out)

I didn't had this issue before but now (without any software or hardware change) "aw snap" screens tend to appear very frequently and it's very irritating!!! I tends to happen (I think) more often ...
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2answers
78 views

How can I minimize windows, only on a specific monitor?

I have monitor and laptop screen and have a problem with the "Show desktop" function. Laptop screen is showing widget that should stay for all the time. Main monitor is used normally. Whenever I use ...