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

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Dual screen not working on specific position

I'm running Ubuntu 14.04 on a Dell laptop and I can almost get it to work with an external display connected to my HDMI port. The weird thing is, it behaves perfectly if, on the settings screen, I ...
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0answers
8 views

Custom dual screen configuration buggy

Using Ubuntu's system settings to configure two screens (desktop monitor and TV via HDMI in my case) is not ergonomic. Hence I decided to code a fast switcher script which lets me choose between ...
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24 views

Ubuntu 14.04 (Gnome): Laptop Display Blank After Undocking

I've been experiencing a really annoying issue with my recent Ubuntu Gnome 14.04 install. The OS is running on a Lenovo T440s. At the office I have a dock that connects to two monitors, one is ...
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0answers
9 views

Second monitor stopped working (maybe) after installing cairo-dock and variety wallpaper changer

I'm using ubuntu 14.04 using an HMDI-to-DVI adapter in a HDMI port to DIV and it as always worked until this certain point. I'm pretty sure the adapter itself didn't suffer any damage that could ...
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0answers
8 views

My second screen resolution is not exact

I have Kubuntu 14.04, and a second screen of resolution 1680x1050. Not only is my resolution not listed, but if I add a custom entry for that, it seems to be not exact. With this, I mean that no ...
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10 views

Could not switch the monitor configuration could not set the configuration for CRTC 64

I have ubuntu 15.04 whenever I connect the HDMI, it just doesnt work, I get the error: Could not switch the monitor configuration could not set the configuration for CRTC 64 Nvidia driver is already ...
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17 views

Ubuntu 15.04 Nvidia NVS 5200m not working and mini display port not working

so I have about 3 issues that may be all related. I have a thinkpad T430s with nvidia optimus. I cannot for the life of me get the GPu working with bumblebee (used all the guides posted around here) ...
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0answers
21 views

How to force GTX 970 to identify second display?

I have recently upgraded my system to a GTX 970 graphics card on which I hooked up my primary (HDMI) and secondary (DVI) displays. The first thing I noticed was the stock drivers not working at all, ...
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2answers
33 views

Second monitor not rendering correctly with NVidia drivers

I'm using Ubuntu 14.04 and NVidia Drivers 346. I have a Samsung monitor and it works nice except because it does not appear to render correctly. For example, when I scroll a page or something, it ...
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1answer
49 views

Kubuntu 15.04 Dual Monitors

I recently installed Kubuntu 15.04, mostly for the upgrade of KDE to KDE Plasma 5. I have been quite happy, but when I got back to school and plugged in my monitor I was very disappointed. Kubuntu is ...
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1answer
55 views

How to recover offscreen window after disconnecting second monitor?

I use Ubuntu 14.04 on my laptop at my desk with a second monitor. When I disconnect from the second monitor---without fail---my window for Emacs moves off screen. I can Alt-TAB to make Emacs the ...
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Second Monitor stuck at 1024x768 and displayed as unknown

I recently installed Ubuntu 15.04 on my laptop, I have a monitor that I connect to my laptop and both screens have a resolution of 1366x768, however the monitor is stuck at 1024x768 and is displayed ...
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30 views

Ubuntu 15.04: Dual monitor setup - new icons disappear on a smaller display

I have established a dual monitor setup successfully with my Ubuntu 15.04 (with default display settings and Unity 7.3.2). The first is a built-in display (1) and it belongs to my laptop (1366 x ...
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2answers
153 views

How to highlight current screen (or window)?

I'm using two screen setup at work and while it usually helps more than it hurts, I have some issues with it. One of them is problem with trailing focus - sometimes I make mistake of typing on wrong ...
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0answers
10 views

Xubuntu 14.04 Help with portrait orientation in dual monitor setup (Nvidia GPU)

I'm running Xubuntu 14.04 and am using a GTX 660 with 2 1920x1080p monitors. By assigning the commands xrandr --output DVI-I-1 --rotate normal and xrandr --output DVI-I-1 --rotate left to certain key ...
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33 views

Ubuntu 15.04 nVidia GeForce GTX 650 Ti Boost External Monitors Detected as Built-In Display

http://i.stack.imgur.com/x9Vh4.jpg http://i.stack.imgur.com/lBgsS.jpg Ever since I upgraded from Ubuntu 14.10, my GeForce GTX 650 Ti Boost has not worked well with Ubuntu 15.04. I installed Driver ...
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1answer
29 views

Login prompt no longer on external display

Been experimenting with Ubuntu on my Toshiba Satellite U500. Using an external display (AOC 23" LCD) as primary. For the first 20 or so boots, the Ubuntu 15.04 login prompt appeared on my external ...
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25 views

Display Issues with Ubuntu

I'm a huge Linux fan, however lately, I've been really disappointed by one thing, the issue is my graphics card, It works smoothly with two monitors on windows, but as soon as I use any Linux distro, ...
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1answer
16 views

Motherboard Monitor no image

First time posting here. I am running 14.04, and have been using it with my monitor plugged into my nvidia graphics card (GeForce GT 610). I recently obtained a new monitor, and tried to plug it ...
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0answers
28 views

Attempting to setup a second monitor on 14.04 using an ATI/AMD graphics card

I have recently gotten a second monitor for my ubuntu 14.04 tower. I have an AMD/ATI juniper XT radeon hd 6770 graphics card and an asus p8z77-v lx motherboard. I have had an HP monitor installed into ...
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0answers
65 views

AOC USB monitor showing dark screen after installing DisplayLink driver

I connected an AOC usb monitor to my Acer Aspire laptop which is using Ubuntu 14.04 LTS. I then installed the DisplayLink driver. Unfortunately, the AOC monitor remains dark. Any ideas how to ...
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29 views

Force screen resolution for monitors using xrandr

I'm using two monitors and one of them is working properly. I have the option to set the screen resolution to 1366x768 (16:9) and is recognized as AOC Intl 19"" (plugged into my HDMI port with an ...
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0answers
65 views

Displayport MST not working properly on Xubuntu 15.04

In several questions on this site, I saw that Ubuntu 15.04 would have support for Displayport daisychaining/MST. I have a two monitors that have Displayport in and out, indicating that they can be ...
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0answers
40 views

Custom Resolution

I have a Dell 30" (U3011 - 2560 x 1600) and am unable to get to its full resolution running an on board Intel HD 4600. This was not a problem in Windows as I set up a custom resolution in the Intel ...
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0answers
18 views

Unity Window placement fun and games on Multiple Monitors

I am playing around with Compiz and positioning windows and having fixed workspaces and so on. I'm actually impressed with how powerful the tool is. The problem I am trying to work around is dealing ...
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2answers
55 views

config dual monitors with quite different resolution

I have two monitors at work. One is a Dell 27 inch with 4K resolution and the other one is a Dell 20 inch at 1680 x 1050. However, due to the resolution difference between these two monitors, the ...
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1answer
31 views

Unable to connect two LG screens, GeForce GTX 750

I have trouble to connect two screens in my computer. I installed (with one screen) Ubuntu 14.04 and 15.04 (just to try) and everything is ok. But then I try to connect the other screen and everything ...
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1answer
47 views

How can I implement a new resolution mode using xrandr consistently?

Firstly, I have connected a new 1280 x 1024 (1080p) monitor at optimum resolution to my Toshiba Satellite laptop via VGA. I run Ubuntu 14.04 LTS. The problem is that the default resolutions ...
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1answer
21 views

Screen freeze for 20 seconds after automatic login

I'm sorry if this question has already been solved but I've failed to find the answer. For some reason after ubuntu bootup and automatically login keyboard/mouse are frozen for 20-30 seconds. Screens ...
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1answer
32 views

vino-server: share third display

I want to share my third monitor (preferably per vnc) with another computer. Is it possible to share just ONE display with vino? Because it defaults to sharing every monitor at once ...
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3answers
49 views

HDMI monitor stuck in 800x600 resolution

I turned my computer on and the internet wasn’t working (Ethernet cable) so I restarted and it came back online. after the restart my HDMI screen (my main screen) I am using two screens went to ...
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0answers
30 views

HDTV overscanning problem - NOT a TV setting

I'm using a 42" Philips LCD TV (42PFL3704D/F7) as a secondary monitor for my computer, running Linux Mint 17.2 and Windows 7. My primary monitor is a 22" LCD monitor, and it works fine on both ...
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0answers
27 views

2nd Monitor stopped being recognized by Ubuntu 14.04 LTS

2nd Monitor is connected to the PC via a DVI-I cable and was working last night. It isn't the cable since the monitor works fine in Windows. I went into settings and tried to detect displays but that ...
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0answers
10 views

Xorg hangs on change of dual monitor configuration when sleeping (Ubuntu 14.04)

If I change monitor configuration when computer is in sleep mode (ie. disconnect cable), the XOrg hangs on wake up. I've tried already many kernels, still persist after enabling of HWE stack also in ...
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0answers
14 views

Ubuntu Monitor Configuration [duplicate]

I am trying to automate some functions when a monitor is plugged in or or unplugged. I am using Ubuntu 15.04. How can I detect when the monitor changes? Is it possible to execute a shell script when ...
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41 views

second monitor (4k seiki TV) shows “no signal” after going to sleep (Linux only)

I have a Dell Optiplex 9020 with an NVIDIA 750GTX video card. There is a Dell 24" monitor attached to a display port, and a Seiki 39" 4k TV attached as the second monitor. The system works with ...
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0answers
40 views

Can not output to 3 monitors with an Nvidia card GTX970

I am the running latest version of Ubuntu 14 LTS and I have connected one primary monitor and two external screens to my GTX970 Graphical Card. I am using the latest and greatest Nvidia Driver from a ...
0
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1answer
41 views

Kubuntu 15.04 HDMI to LCD works, HDTV does not

I've been at if for hours with no joy on this one so I'm posting my first question ever tonight. New install of Kubuntu 15.04 on a Dell Precision M6600 with nVidia Quadro 3000M video. Samsung LCD ...
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2answers
462 views

Use one monitor as multiple monitors

It is nice to use multiple monitors for developers. You can maximise each window in a specific monitor, windows can stick to corners of specific monitors. There are ultrawide monitors in the market ...
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0answers
24 views

Can I/ How do I use my on board graphics chip with my graphics card together in Ubuntu?

I'm not really sure if this is an acceptable question to ask her because of this reason I also posted this in the normal stack exchange. If this was not okay please let me know. The Problem: I would ...
2
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1answer
26 views

Ubuntu 14.04 unknown (external) monitor every time after reboot

I connected an external monitor (LG 21 in) with my laptop (Lenovo ThinkPad 15 in). It used to be working ok, but now every time after reboot, the LG monitor has very low resolution, I have manually ...
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1answer
37 views

Ubuntu 14 can't detect second monitor

I'm on a new install of Ubuntu 14 and i have nvidia drivers. When i go to setting > display I can only see one monitor. I already sought some solutions but no success.. What can I do ? I start ...
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1answer
56 views

Can not set correct resolution for external monitor

I am using ubuntu 15.04 on my Asus X550L Laptop. Following is my lspci $ lspci 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel ...
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0answers
41 views

Can't disable automatic mirror display

I just plugged an external display and the system detected it automatically. However, the two monitors display the same and when I go to Display preferences, it looks like it wasn't detecting any ...
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1answer
35 views

Dead parts of Display

I have 3 screens currently active, running through one of my ASUS R9 270X graphics cards, (I did have 2 in but I was getting problems with the display and the ASUS/AMD proprietary drivers crashed my ...
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0answers
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Sapphire Radeon R7 240 4GB running multiple displays

I want to use HDMI and D-SUB port at the same time. When I plug in the second monitor, my HDMI (primary) goes blank and neither monitors display anything, and they go into sleep mode. Do i need to ...
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0answers
48 views

Second Monitor does not display in max resolution

I have two 1920x1080 monitors connected to my PC, one through HDMI and one through DVI-I. While the monitor connected through HDMI is displaying at 1920x1080, the other monitor is stuck at 800x600. I ...
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0answers
131 views

Ubuntu 15.04 - Dual monitor problems

I installed Ubuntu 15.04 and I have problem with my 2 monitors. I was googling so long time and didn't find any working solution for this. 1) I need to set my left monitor primary before login ...
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1answer
32 views

dual screen configuration fail after login

I would like to setup an offset between my laptop screen and "normal" desktop monitor, so I could see the cursor entering Desktop screen in the same height where it leave laptop screen. I setup it in ...
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0answers
29 views

Monitor Causing Ubuntu to Freeze Up

I have an AOC all in one monitor with three operation modes (DSUB, HDMI, and ANDROID). The monitor does work with Ubuntu partially. What I mean is that when I connect the DSUB (I don't have an HDMI ...