Secondary monitor that is connected to a device with an embedded monitor such as laptops.

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12 views

Cannot use external monitor on mini displayport to DVI to VGA

I'm trying to use an external monitor that only comes with VGA. To make it more difficult, I just took the available cables: so now, I'm trying to connect from my laptop's mini displayport to DVI and ...
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58 views

Help getting mini-DisplayPort external monitor working on Lenovo T440s ( Intel HD 4400)

I have the following setup: Lenovo T440s running Ubuntu 15.04 (upgraded from 14.10) Asus PB278Q (supports DisplayPort 1.2) AmazonBasics mini-DisplayPort to DisplayPort cable System information: $ ...
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1answer
25 views

Change DPI on HiDPI laptop with two external monitors

I have a Surface Pro 3 laptop (running Ubuntu Gnome) with two external monitors. The laptop's screen has a resolution of 2160x1440, and the two monitors are 1920x1080. The Surface Pro (eDP1) is on ...
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2answers
30 views

How do I put my laptop as main screen with arandr?

I'm using 64 bit Lubuntu 15.04, I inserted my monitor, opened arandr, activated the monitor and positioned it as shown below. Now the problem I'm having is that my monitor seems to be considered the ...
2
votes
1answer
44 views

External display mirroring builtin on Lenovo G560

On a Lenovo G560 running Ubuntu 14.10 I am trying to connect an external monitor to use as a dual-monitor setup. When connecting the display, the external monitor one mirrors what is on the builtin ...
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0answers
24 views

ubuntudesktop feature on latest ubuntu touch

I am planning to install Ubuntu Touch on Nexus 7. I also have a slimport connector with me. Will I get the Ubuntu desktop on my external display, when I connect the Nexus 7 with Ubuntu to the display? ...
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2answers
784 views

15.04 - Closing lid does not suspend laptop if connected to external monitor

Since the upgrade to 15.04, my laptop's behavior on closing lid has changed: if it is connected to an external monitor, it will not suspend. In addition, all the windows are now flushed to the ...
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134 views

Second screen toolbars/launcher not working (15.04 fresh install)

I've just done a fresh install of Ubuntu 15.04 on a Dell Latitude E6420 with an external monitor. Everything works fine on the external screen, but the launcher and toolbars do not react when clicked ...
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158 views

Random Missing Characters on Unbuntu + Unity + External Display

Every time I try to use an external display with my HDMI port I'm having random missing characters on the applications and menus like this: Video card on my system: 00:02.0 VGA compatible ...
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235 views

Connect 14.04 laptop to TV, VGA to HDMI via adapter

During my research on this topic I've encountered many people who seem to have a similar problem, but none of the few solutions that I found did the job for me. Problem I want to connect my Thinkpad ...
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125 views

Laptop screen turns white, external monitor works (14.04, Lenovo Thinkpad T420s)

I am using Lenovo Thinkpad T420. Three days ago my laptop main internal display suddenly turns white while I was switching to my external monitor which still works fine. The problem remains even when ...
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1answer
209 views

Dual monitor setup - filickering issue with ATI Radeon open source driver

I'm having a flickering issue on a Toshiba Satellite A305 laptop with Radeon Mobility HD3450 graphic card and external monitor setup. Ubuntu 14.04 with NO proprietary ATI drivers installed. The dual ...
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1answer
93 views

after apt-get upgrade monitors freeze whenever I change something in 'displays'

Steps to reproduce: open Displays change anything, from resolution, to disabling or enabling one of the monitors. click Apply monitors freeze Sometimes I can still see the mouse movements. I can ...
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0answers
120 views

Asus not recognizing Apple Thunderbolt Display

I have an Asus N550JV which has a thunderbolt port. When I connect to an Apple Thunderbolt Display, it doesn't do anything. But when I connect the monitor to a Macbook (runnning OSx), it works fine. ...
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1answer
346 views

How to find out the HDMI version supported

How can I find out which HDMI version the laptop supports, in particular if it is HDMI 1.3? Full story: I'm considering acquiring either a Dell U2414H or Dell U2515H/Dell U2715H (or similar) ...
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1answer
168 views

Resolution of external monitors stuck at 1440x900 on Thinkpad T430 with Intel HD graphics

I'm working on my Thinkpad T430, with Intel HD4000 graphics chipset, in a 3-display setup (the laptop display and two external monitors). I accidentally pressed the Super + P combination, which cycles ...
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84 views

Will Unitek Y-3704 USB 3.0 Universal Docking Station work on ubuntu 12 or higher?

I consider buying Unitek Y-3704 USB 3.0 Universal Docking Station for my ASUS U36SG laptop. Seems very handy. But I wonder if my ubuntu 12.04 will be able to handle DVI and VGA displays? I have ...
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1answer
728 views

Ubuntu on Laptop external monitor not working properly

Today I tried to connect an external monitor to my laptop, running Ubuntu 14.04, for the first time. The connection is made with an HDMI to DVI cable (Laptop has the HDMI, Monitor the DVI Port), the ...
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1answer
101 views

Laptop lid power options

How do I configure my laptop to perform in the following manner in Ubuntu 14.04.1 Server? Current State When the laptop is powered on and the lid is closed: External screen loses signal Laptop enters ...
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1answer
88 views

How to lower refresh rate on external display (projector) from 75 hz to 60 hz

I have a projector that is 3D Ready, but it can only handle a refresh rate of 60 Hz to use the 3D settings, yet for some reason it defaults to 75 Hz when I plug it in through the HDMI port (the only ...
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0answers
115 views

Closed Lid & External Monitor

I would like to work on a monitor connected to my laptop with closed lid. I can change laptop's behavior to "Do nothing" when the lid is closed and everything works perfectly (just my account log out ...
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0answers
88 views

Acer Aspire 5253 crashes when connecting external display

I have recently installed ubuntu 14.04.1 LTS on my step-brother's acer aspire 5253 and when i connect this external display the screen becomes "glitchy" and the computer stops responding. When I ...
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1answer
153 views

increase screen refresh rate for external monitor?

My external monitor display is "wavy" or "wobbly". A colleague looked at my screen and told me that this is probably bad for my eyes. Will increasing the refresh rate fix this problem? How do I do ...
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0answers
102 views

ThinkPad W530 - Mini display port doesn't work

I have a ThinkPad W530 Laptop. It has Nvidia Q K1000M installed. I am unable to make mini display port work to be able to connect to an external monitor using mini to hdmi display cable. My guess is ...
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1answer
141 views

Is there a way to prevent your windows from moving when an external monitor is connected?

So, I'm using Ubuntu 14.10 on my laptop and occasionally plug it into my TV for a second screen. My TV is to the left of my desk. When I enable it as an external monitor to the left of my laptop ...
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209 views

External monitor's resolution too small with 14.04 via HDMI

My DELL 27inch monitor should be capable of 2560x1440 resolution. I've confirmed with Ubuntu 12.04 NVIDIA with DVI connection. Now on 14.04 Intel® HD 4600 with HDMI, the maximum resolution I see is ...
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2answers
679 views

External 4k Monitor on Lenovo Yoga 2 Pro

Do you have any experience with a 4k monitor at the Lenovo Yoga 2 Pro? It has an Intel Core i5 4200U and an Intel HD Graphics 4400 card with a mini HDMI port. I am interested in buying a UHD ...
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2answers
556 views

external monitor not properly detected

I am having a strange problem with my external monitor. I recently installed Ubuntu 14.04 (64 bit) on hp elitebook 840 g1. I connected my laptop to an external monitor which has full HD option. ...
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0answers
58 views

Extended monitor shuts off internal monitor

I have Lenovo ThinkPad E545 running Ubuntu 14.04 and I have issues when I connect my external monitor via VGA. When I connect the external monitor, my internal monitor goes blank. What's interesting ...
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0answers
156 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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votes
2answers
1k views

Two mouse pointers when disconnecting external monitor

I just upgraded to Ubuntu 14.10 (from 14.04). When I unplug my external monitor (I'm on a laptop so this happens often) the mouse gets a second pointer just below the normal one but rotated 90° ...
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79 views

Ubuntu showing problems in connecting two external monitor

I am working with Ubuntu 14.04 on Dell E7240. I have connected two external Dell monitors E2211Hb but they both are not working simultaneously. Yesterday both were working fine and after some time one ...
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218 views

Monitor connected to VGA1 went blank!

I have been able to work for the last 3 weeks on two monitors on a Xubuntu 14.04.01 without a problem. All the monitors have been detected nicely and everything run smoothly. One of the monitors is ...
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1answer
333 views

Will an ultrawide monitor work with my Ubuntu laptop?

I'm thinking of buying one of these new ultrawide monitors and I was wondering if anyone has had any luck using them with Ubuntu or any other Debian variance. I'm planning to plug it into a Lenovo ...
0
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1answer
264 views

Setting up 2 monitor workspace with Nvidia Optimus and save settings in Xorg.conf

here is my current Hardware Setup : Lenovo Laptop connected with 2 external monitors. Laptop uses Nvidia Optimus technology, switching with prime-select nvidia|intel , is working fine, with only ...
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1answer
178 views

USB ports on external monitor are not recognized

I have an external monitor (ASUS PB238Q) connected to my Ubuntu 14.04 laptop via HDMI. The monitor works totally fine except for the four USB ports on it, which are not recognized by Ubuntu. Opening ...
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0answers
103 views

Macbook Pro7,1 Ubuntu 14.04 external monitor

I have a macbook pro7,1 and I have just installed ubuntu 14.04. I try to connect it to an external Asus monitor, using a mini-display(thunderbolt) to HDMI wire. I get an error message saying: ...
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262 views

VGA output not working for Intel GS45 Express chipset

I have just installed Ubuntu 14.04 64-bit on my Toshiba Portege R600-10Q laptop (a model from 2009). I am now trying to display the desktop on a BenQ Senseye3 22" monitor, via the vga output, but it's ...
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0answers
300 views

LVDS connect Issue. ( If VGA connect. LVDS off )

I have very hard problem. And I don't solute haven't found a solution for this problem while for 3 weeks. Now tested OS ( ubuntu 14.04, ubuntu 12.10, ubuntu 12.04) same problem. Physical connected ...
0
votes
1answer
124 views

Computer becoming unresponsive when changing display

I just had a weird issue come up today. I'm using Ubuntu 14.04 on a Toshiba Satellite laptop with an external monitor. Until today, everything was working fine, but I started having a problem. ...
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1answer
773 views

Can't use 3 monitors: both display outputs on XPS laptop along with laptop display. CRTC 64 error

On a Dell XPS 15, running Ubuntu 14.04, the HDMI and Displayport ports work fine, but when I plug in two screens to both the DP and HDMI, it doesn't work. The screens window showed some error dialogs ...
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0answers
82 views

How to fit the display into external monitor without title and menu bar being pushed outside the screen?

Just got Ubuntu and and seeing as how my laptop screen is broken I have to use an external monitor. How do I fit the display into external monitor without title and menu bar being pushed outside the ...
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0answers
211 views

Ubuntu won't detect an external monitor at all

I am running Ubuntu on an ASUS laptop and when I try to plug in my monitor, the monitor will turn on and display no signal. When I go to display settings it will never show my monitor no matter how ...
3
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0answers
569 views

How can I start to debug external displays not being detected?

I'm running 14.04 on a HP ProBook 650. It has the built in graphics card and standalone; Integrated: Intel® HD Graphics 4600 Discrete: AMD RadeonTM HD 8 8750M (128-bit) w/1 GB GDDR5 On a fresh ...
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0answers
130 views

External monitor image freezes for no aparrent reason

I am using Ubuntu 14.04, with Cinnamon environment on my laptop (Dell XPS l702x). I have an external monitor Dell monitor connected through HDMI. Sometimes while I am working, the image on my ...
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1answer
733 views

nagios NRPE CHECK_NRPE: Socket timeout after 10 seconds

Getting following error on nagios server root@VMb:/usr/local/nagios/libexec# ./check_nrpe -H 54.255.1.99 -n CHECK_NRPE: Socket timeout after 10 seconds.
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0answers
1k views

Problem with external monitor

Since yesterday I have weired problems using my external monitor (Benq 19" connected via DVI over DVI->HDMI cable and HDMI->Mini DisplayPort-Adapter) with Ubuntu 14.04. Until then I could use this ...
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0answers
268 views

Disable laptop display before login

I am looking for a way to disable my laptop's built in display before (or right at) the login screen on Ubuntu 14.04. I have a second monitor, and want to only use that. I already have changed the ...
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0answers
106 views

Xubuntu 14.04 Dual display hot plugging - large windows disappear

I have a laptop that is docked and a external display plugged in. When I undock my laptop SOME windows (XFTerminal being the main one) that are not maximised and too tall for my laptop display cannot ...
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0answers
82 views

Monitor goes sleep during fullscreen black scene

My monitor (Samsung SyncMaster 171s) turns into sleep mode for few seconds when there is totally black scene in fullscreen (for example: between two scenes in a movie). How can I disable it? I'm ...