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[actionparsnip <question77619@xxxxxxxxxxxxxxxxxxxxx>]

Question #77619 on xorg in ubuntu changed:
https://answers.edge.launchpad.net/ubuntu/+source/xorg/+question/77619

    Status: Open => Answered

actionparsnip proposed the following answer:
OK in Linux you have an X server. An X server is made up of a few
components:

1. A mouse
2. A keyboard
3, A grapics card
4, A monitor
5. A screen (which is a combination of the graphics card and the monitor above)

The TV will need to have an X server setup for it, so if you have a
monitor and a tV then you will have a dual monitor display according to
Linux.

You need to add the TV as a Monitor, then setup a dual display setup
using xorg.conf.

This is massively simple using nvidia as they have awesome support.
Unfortunately laptops and some desktops use Intel chips which are less
forgiving so you must do it manually in the file (Its one of the reasons
i will *only* buy nvidia video cards, its just easier)

You will need to web browse round for guides (there are millions) on how
to update your xorg.conf file to get the TV working.

You will need to run:

gksudo gedit /etc/X11/xorg.conf

So that you can write to it as it is owned by root and not your user.

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