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

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90
votes
8answers
127k views

How do I setup dual monitors in XFCE?

I've got an laptop with a intel chip, and I'd like to setup dual monitors in Xfce. How do I do this?
7
votes
1answer
3k views

How to change external monitor brightness via DDC/IC?

I would like to change brightness on my external Dell U2713HM monitor via DDC/IC (DDC Wikipedia), it's connected via DisplayPort. I have the integrated Intel HD4000 graphics. When I run sudo get-edid,...
13
votes
4answers
15k views

External displays with Bumblebee

I'm trying to connect my external monitor (via VGA cable) to my laptop, using Bumblebee and the Optimus configuration. I have a Lenovo W520, with an Intel GMA HD 3000 and an Nvidia Quadro 2000M. The ...
7
votes
2answers
3k views

Disabling monitor reconfiguration when closing lid

I often need to move my laptop from one working place to another. When I do this, there are two events Ubuntu responds to by changing the monitor set up: Removing/attaching the VGA cable Closing/...
9
votes
1answer
2k views

Control external monitor brightness via software

Hello Ubuntu community, I can control the brightness of my DELL U2713HM connected with DisplayPort via the command: ddccontrol -p -r 0x10 -w 53 where in this example the number 53 represents the ...
1
vote
1answer
2k 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 ...
5
votes
1answer
978 views

How can I set external monitor as default?

I have connected an external monitor to my laptop through HDMI. Currently either my Desktop is getting extended to the external monitor (with native resolution) or low resolution on both when I ...
1
vote
1answer
93 views

How can I quickly toggle monitor orientation with a shortcut key?

While looking if someone asked this question before, I landed on this for Windows. I'd like to do something similar (shortcut or terminal alias/command) on Linux/Ubuntu to be able to quickly switch ...
8
votes
4answers
6k views

15.04, 15.10, 16.04 - Closing lid does not suspend laptop if connected to external monitor

Since the upgrade to 15.04 (update: 15.10 still same), 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 ...
12
votes
3answers
8k views

How do I perform easy switching to external monitor

I am currently changing between my laptop and my external monitor with the NVidia X Server Settings program and I'm sure I'm doing it in a really dumb way: I currently select the external monitor, ...
6
votes
1answer
3k views

Change system settings depending on whether a monitor is plugged in

I'm currently using a Laptop running Ubuntu 12.04. When I'm at work I plug in a monitor, mouse and keyboard. Then I close my laptops screen and use it as a normal pc. Everytime I plug it in and plug ...
4
votes
3answers
2k 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 (...
9
votes
4answers
15k views

External monitor recognized but getting “no signal”

I'm running 12.10 dual booted with windows 7 (nvidia optimus). I have no idea what might be wrong because: the monitor works on windows it worked on ubuntu for over a year and even now the splash ...
8
votes
3answers
13k views

External monitor set as primary even when disconnected from laptop

My Lenovo X200 laptop has developed a problem recently whereby I get a blank internal screen on booting into Ubuntu 11.10. Display works normally during boot, after which the desktop is displayed ...
6
votes
1answer
577 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 ...
4
votes
3answers
11k views

Laptop screen blank after login when external monitor is not connected

Ubuntu does not switch back automatically to only monitor present when booting after disconnecting external monitor. Here's a video showing what happens. I get to the login window and everything ...
4
votes
1answer
3k views

Can f.lux work with dual screen (laptop + external) setup?

I've been using f.lux for a while and absolutely love it. It works correctly on my laptop and also on my external screen. However, when I try to use both of them simultaneously - the magic of f.lux ...
3
votes
1answer
3k views

display port not working for Dell XPS 14z

I am trying to hook up an external monitor to an XPS 14z on ubuntu 11.10. I realize it has an optimus card, but everything I can find says that the displayport is hooked up to the intel card, and HDMI ...
3
votes
2answers
3k views

How can I use my external display on my laptop with intel and nvidia video cards?

My hardware: Dell xps L502X laptop with integrated intel video card and an GeForce GT 540M (HDMI). My config: Ubuntu 12.04 + nidia drivers 295.53 I didn't manage to use my external display neither in ...
2
votes
2answers
2k views

External monitor Ubuntu 11.04 64 bit not working

just installed Ubuntu 11.04, but cannot get my external monitor to work in "same image in all monitors" mode. Its only possible to choose same resolution for the external monitor as for the laptop. ...
1
vote
0answers
72 views

Ubuntu 14.04 freezes after login if additional display is connected to my laptop

Ubuntu freezes after login if I have connected additional display to my laptop. Otherwise, I can normally boot without additional display. It also works fine if I connect monitor after I'm already in ...
1
vote
1answer
1k views

Trouble recognising external monitor

I'm a first time Ubuntu user (using Ocelot) and know very little about computers. My laptop screen is broken and I'm trying to connect to an external monitor through a VGA cable but I can't get the ...
0
votes
1answer
3k 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 ...