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

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Nvidia GeForce GT 720M + closed drivers + hdmi means crashed

I tried submitting this question on Linux Mint forum but nobody answer me. I understand it's dedicated for Ubuntu but this should be similar. From over a year i'm using my laptop asus X550VC using ...
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2answers
44 views

Cannot set monitor to use 2560x1440

I have a laptop and am trying to plug in two monitors, one of which should run at 2560x1440 I have installed the proprietary nvidia-331-updates drivers and (I think) configured it to use those by ...
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0answers
12 views

Using Notebook as second Monitor for Ubuntu Tablet

i am planning my new mobile development working station consisting of a Notebook and a Tablet as second monitor. Notebook OS: Windows 8.1 Tablet OS: Ubuntu (14 LTS) i have asked here how i can ...
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0answers
64 views

ubuntu 14.10 - lightdm can't start unity. Bad xorg config?

When I try to login with lightdm my monitors go dark and then switch off before taking me back to the lightdm login screen. I get a message telling me: Could not switch to the monitor configuration ...
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0answers
17 views

Ubuntu 14.04 sidebar cannot be disabled

I don't know what's happening but I can't turn off the sidebar on my second screen. I've played in the settings for a bit but nothing seems to change. The second sidebar is bugging me a lot, someone ...
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18 views

how can i airplay Mirror my laptop screen and sound projector

I'm a teacher and I often have powerpoint or other resources I want to show students projected to a whiteboard. My school is phasing out serial port connection and is installing a airplay box, which ...
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1answer
44 views

Using Ubuntu Tablet as second monitor for Windows 8.1 [on hold]

i am currently planning my new mobile development workstation consisting of a Windows 8.1 Notebook and a Ubunutu Tablet. I know that there's Software available for android, that mimics a monitor for ...
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1answer
20 views

Second display won't work with nvidia drivers

I have recently installed Ubuntu but the drivers from x.org are not so good, because: the display with NVidia graphics card (plugged by HDMI) has some problems server x from x.org nouveau driver ...
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26 views

How to Set Up Dual Monitors to my ubuntu machine? [closed]

I saw some articles indicating that this can be done on windows . I wonder if i can do it on ubuntu
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55 views

Ubuntu 14.04 laptop and monitor problem

I meet with this problem second time. I'm using a laptop with dual boot. I use Ubuntu 14.04 and Win7. I have a 21,5" monitor plugged with HDMI cable to my notebook. I did this: my laptop was turned ...
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0answers
30 views

2560x1440 HDMI monitor stuck at 1920x1200 resolution

SONY laptop SVS151190X with Intel IGP: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) Linux 3.13.0-45-generic #74-Ubuntu SMP x86_64 x86_64 ...
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22 views

ATI R9 2xx's: Dual-monitors on seperate cards

I can not seem to get my second monitor recognized/running in ubuntu 14.04.02, the light is yellow and the screen off. I have tried the basics by going into the display settings but all it shows is my ...
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0answers
19 views

Ubuntu 14.04 loses screen arrangements on reboot

Every time I boot into my Ubuntu 14.04 I re-arrange the monitors in Screen Display to match the physical arrangement of my 3 monitors: DFP-0/GPU-0, DFP-1/GPU-0, DFP-3/GPU-0 Every time I reboot, ...
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0answers
28 views

unable to switch screen in Kubuntu 14.10

I recently moved to Ubuntu from Windows and I'm using Kubuntu 14.10 now. I have a laptop with an external monitor. The problem is, I am not able to switch between the monitors with Kubuntu running. ...
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0answers
38 views

The same monitor shows up as two displays

I have a monitor plugged into my Dell Latitude running Ubuntu 14.04. I have the problem that my monitor shows up as two separate displays. But it is actually showing only one of the displays. And ...
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1answer
111 views

Ubuntu 14.04: Cannot change screen resolution

I know there are many questions with the same topic, but no solution seem to apply to my case... I'm on Ubuntu 14.04 on a Toshiba Satellite L735 laptop. My xrandr output is: Screen 0: minimum 8 x 8, ...
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0answers
28 views

Get both Graphics cards working

I have 2 nVidia GeForce GTS 450/PCIe/SSE2 graphics cards, each with a DVI, VGA and HDMI port. Unfortunately, only one of these cards is detected by Ubuntu, so I have to have one screen on VGA and the ...
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0answers
70 views

Monitor disconnected when screens go black

Since short I have a new 4K monitor connected to my AMD R9 280x on Xubuntu 14.04 via DisplayPort. I have a second monitor connected to the computer as well via HDMI. What I'm observing is that when ...
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2answers
41 views

cannot move cursor to external monitor

I just connected my external monitor and it all works fine. I tested this even in windows. But on ubuntu I cannot take the cursor to the external monitor. It just doesn't move there and it gets stuck ...
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0answers
16 views

Mouse Issues on VGA output

I am running Ubuntu 12.04 on a Lenovo Thinkpad X200. I am using the VGA output on a second monitor. The mouse works fine when using it but as soon as I touch the internal screen on my Thinkpad, the ...
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0answers
27 views

Monitors lose position in multihead setup in 14.10?

I'm experiencing an issue with Kubuntu 14.10 where after I set the monitor position and reboot, the position is again lost each time. This is being set via System Settings -> Display Configuration. ...
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0answers
65 views

External monitor works fine, but laptop shows black screen (even though it is detected)

I have quite a weird problem: a few months after successfully using Ubuntu, the laptop screen went black. After some attempts to fix it, I have discovered that when I plug in an external monitor, I ...
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0answers
11 views

ATI Eyefinity vs Nvidia SLI 3-monitor span for gaming [duplicate]

I'm going to be building a computer for iRacing/gaming, and I'd like to use Ubuntu. I'm wondering which card vendor has the best support for a 3-monitor setup that would treat the 3 monitors as one ...
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1answer
40 views

Dual Screen / Dual GFX card issue

I recently added an additional video card (Radeon HD 6450) to my system and instead of improving the response time its worse than before. On the 1 GB card the video display is very laggy, on the ...
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1answer
48 views

Use 100% of edge to go between monitors

My monitors are currently arranged like this: +---------+ | | +------+| | | || | | || | +------++---------+ If I'm at the top-left corner ...
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0answers
39 views

How to get “xdotool windowsize” to resize a window across two monitors

I have two monitors side-by-side. I can manually resize a window to span across the two monitors. However, I am not able to automate this action using "xdotool". It appears that I can resize the ...
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1answer
35 views

Split large resolution into 2 desktops

I am trying to find a solution to a limitation we have with a split DisplayPort to 2 monitors. It creates a single display across each monitor. As far as hardware goes our hands are tied since we ...
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1answer
57 views

2 pc, 2 monitor: Switching between extended screen and two separate screens

I have two computers and two monitors: My primary computer: computer1, is hooked into two monitors: monitor1: primary monitor and monitor2: secondary monitor. The second monitor, computer2 is only ...
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1answer
29 views

Laptop-connected VGA monitor is mirror only, not independently detected. 14.04

I know this is a common occurrence but I can't detangle the error. This connection has previously worked, but between then and now (12 months perhaps), I tried to get steam running and may have messed ...
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0answers
45 views

Monitor Samsung with bad resolution in Ubuntu 14.04?

I have a Dell laptop connected with the second monitor. I have the following specifications of my NVidia card: sudo lshw -C video PCI (sysfs) *-display descrição: VGA ...
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1answer
33 views

is there a hot-key to activate a second monitor?

A recent update caused problems with my multiple monitors. I have a laptop with a broken screen that i have completely removed. Ubuntu 14.04 is on the laptop and i can hear the sound where i should ...
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0answers
14 views

Disabling one video output with a keybinding

I currently run a dual monitor setup. When I only need to use one monitor, I leave the second monitor turned off. However, when I launch certain applications, they open on the second monitor since ...
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0answers
46 views

dual nvidia gpu not working right

i have 4 monitor setup soon to be 5 and 2 gpu in my desktop. i got the first gpu (gtx 650 TI on a 16x gen2) to work just fine but my second card (GT 520 on a 1x slot gen 1) does not work quite right. ...
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0answers
109 views

Ubuntu 12.04 Thinkpad 430 Mini Displayport Weird Effects

I'm running 12.04 on my Thinkpad 430, and I'm connecting that to a Samsung 32 inch 720p TV through a Mini Displayport to HDMI cable. I've had no trouble with this cable when connecting from Windows ...
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0answers
78 views

NVIDIA X Server Settings only show one huge screen

My current laptop features dual graphics. I am trying to set screen resolution using the NVIDIA X Server Settings application, but it only show one huge screen, which is composed of my external ...
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1answer
49 views

Permanently set the resolution for my second monitor

After every restart, I have to manually set the resolution of my second monitor with: sudo xrandr --newmode "1600x900_60.00" 118.25 1600 1696 1856 2112 900 903 908 934 -hsync +vsync sudo xrandr ...
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0answers
20 views

My Macbook has two “Built-In Displays”

I just installed 14.04 on my Macbook Pro 8,2 and I noticed that I have two "Built-In displays". Some applications open on the second display with no way to get to them. If I disable either display, I ...
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67 views

Flickering Mouse Cursor in Ubuntu 14.04 LTS

I'm a newbie on Ubuntu. I've installed Ubuntu 14.04 LTS on Dell XPS 17-L702x and I have two Samsung syncmaster s24b350 connected. Now my problem is that the mouse cursor is flickering very often and ...
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1answer
45 views

Where are the display configuration files in 14.04 LTS?

My display configuration has become corrupted. It takes longer to start Ubuntu than usual, and I notice the monitor is flickering multiple times, like when it is changing video modes. Since I first ...
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0answers
28 views

Multi-monitor on amd drivers

I have a 280x in my pc and 2 monitors connected to it and I had multi-monitory setup working on it by now it does not seem to start. In amd drivers center I keep getting this: The current ...
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0answers
21 views

Can two FirePro 2270 graphics cards run with 3 monitors to form a single desktop?

Can two FirePro 2270 graphics cards run with 3 monitors to form a single desktop? I can't seem to get it to work with the fglrx drivers. Is it only for two separate desktops then? One desktop on one ...
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1answer
58 views

3 Screen Setup - Haswell HD4400 - works on windows

I need some hints because of my 3 screen setup: I have an Lenovo X240 with ultradock, which supports displaying to 3 screens. But my external screens are recognized as one generic screen. See my ...
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0answers
18 views

Monitor shown as 16:10 instead of 16:9 [migrated]

I am using Linux Mint 17.1 Cinnamon on a Dell Latitude E6540 with a Dell U2713hm monitor, the displays are not mirrored, and arranged next to each other. The monitor has an aspect ratio of 16:9, ...
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0answers
110 views

Ubuntu 14.04 - Secondary display not detected after login screen

My computer is an HP zBook 14 with Ubuntu 14.04, 3.18.1 kernel, hybrid graphics display (integrated Intel HD Graphics 4400/discrete AMD FirePro M4100), and the open source drivers. lshw shows I am ...
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0answers
82 views

Why is my external monitor not detected and how can I troubleshoot? [on hold]

I am running Ubuntu Unity 14.10 on an ASUS Zenbook UX303LA. This laptop has an Intel HD 4400 graphics chip (no discrete nVIDIA card like some models have). I have an external monitor (Sceptre X24WG) ...
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0answers
130 views

Kubuntu 14.10 multiple monitor issue: how to persist configuration?

I have a problem with configuring multiple monitors in Kubuntu 14.10. The system is an AMD A8-3850 (Llano). The driver manager shows this as Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek [Radeon ...
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0answers
23 views

14.04 windows go off screen on awake

I currently have a dual monitor setup running Ubuntu 14.04 LTS. My display settings are currently set to have my laptop screen on the right and my monitor on the left. Whenever I open the lid of the ...
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1answer
80 views

Multi-display Nvidia issue, desktop sliding on secondary display - Ubuntu 14.04

I've been attempting to configure my laptop with a secondary display. Here's the details: Laptop: Asus N56V OS: Ubuntu 14.04 64 bit Primary display: 1080p laptop display Secondary display: Samsung ...
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0answers
10 views

Having Issues connecting my two non-sli videocards to Unbuntu and getting the desktop to show accross them

My current system is. SSD - Samsung EVO 850 500g Processor- Intel 4770k Motherboard- asus maximus extreme vi GPUS - Nvidia 970, Nvidia 780 Ram 32gb im running this on a dual boot with windows 7 with ...
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0answers
20 views

Graphic card in slow mode?

When I plugin a second monitor, my games are running good. But without I can play those games only in a small window mode. I have a ATI Mobility Radeon HD 5650 with the open source driver and am using ...