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

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2
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1answer
65 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 ...
0
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0answers
127 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 ...
0
votes
0answers
66 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 ...
0
votes
0answers
119 views

Ubuntu 14.04 Radeon HD3450 dual display 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 ...
2
votes
1answer
79 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 ...
0
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0answers
82 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. ...
1
vote
1answer
214 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) ...
1
vote
1answer
111 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 ...
0
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0answers
61 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 ...
0
votes
1answer
483 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 ...
1
vote
1answer
86 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 ...
0
votes
1answer
78 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 ...
0
votes
0answers
92 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 ...
0
votes
0answers
78 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 ...
0
votes
1answer
106 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 ...
1
vote
0answers
90 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 ...
3
votes
1answer
129 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 ...
0
votes
0answers
183 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 ...
3
votes
2answers
498 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 ...
0
votes
2answers
443 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. ...
0
votes
0answers
49 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 ...
0
votes
0answers
144 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 ...
4
votes
2answers
717 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° ...
1
vote
0answers
71 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 ...
1
vote
0answers
213 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 ...
0
votes
1answer
269 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
votes
1answer
260 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 ...
1
vote
1answer
152 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 ...
1
vote
0answers
99 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: ...
1
vote
0answers
240 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 ...
2
votes
0answers
253 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
119 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. ...
1
vote
1answer
642 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 ...
0
votes
0answers
72 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 ...
0
votes
0answers
185 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
votes
0answers
512 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 ...
0
votes
0answers
127 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 ...
1
vote
1answer
694 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.
2
votes
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 ...
0
votes
0answers
238 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 ...
0
votes
0answers
96 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 ...
1
vote
0answers
76 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 ...
0
votes
0answers
340 views

How to disable Light Locker and Splash screen on laptop screen (only display on external monitor) in Xubuntu 14.04

I have changed settings in Xubuntu 14.04 so that my laptop screen (which is partially broken) is disabled after logging in, and the desktop is only displayed on my external monitor. I did this via ...
0
votes
0answers
28 views

Touch on touchscreen operates on wrong monitor [duplicate]

I have a laptop with a touch screen, and I connect it to an external monitor at work. I touch the screen, but the touch is processed on the wrong monitor - for example, if I tap the lower right corner ...
1
vote
1answer
63 views

Second monitor available without beeing connected

Yesterday I installed Ubuntu on my Laptop, and everything worked better than thought, but: My laptop recognises two screens. I mean, you can connect a second screen to it by HDMI or VGA, but both ...
2
votes
1answer
785 views

Dell XPS 15 L521x miniDisplay to VGA detects monitor but does not work

I have an Dell XPS 15 L521x Laptop with an HDMI and miniDisplay outputs only. The HDMI port works great but when I'm trying to connect to a VGA output using mini DP -> VGA adapter the OS detects the ...
0
votes
0answers
104 views

Connecting external monitor to my laptop

I have an external monitor which I want to connect to my laptop, using both monitors at the same time. However I can't manage to have them both working. Only one monitor works at a time. In the ...
0
votes
1answer
384 views

Intel HD4000 slow graphics performance on external display

I am using ubuntu 13.10. I have a Dell Latitude E6430 laptop. It has two graphic adapters, Intel HD 4000 and nvidia NVS 5200M with optimus technology. 00:02.0 VGA compatible controller: Intel ...
2
votes
0answers
131 views

External display is being overlapped by laptop display. Blue edges

I seem to be having difficulty setting Ubuntu up to run on an external monitor for use as a HTPC/XBMC box. No matter what settings I apply I am unable to have the laptop display remain in a position ...
1
vote
1answer
2k views

external display resolution vga output

I am using a Toshiba laptop with an ati radeon graphics card. I have installed ubuntu 12.04 via wubi. I am trying to output to my external display which has a native resolution of 1280x768, but it is ...