Is there a command line utility that displays all the capabilities in the graphic card and shows information about CEC functionality in my laptop?

  • would be very useful .
    – E_Angel
    Commented Apr 1, 2015 at 16:18

1 Answer 1


Try the following,

sudo apt-get install cec-utils libcec-dev

and then,

cec-client -l

It should list the devices that support it.

Please check the link/answer from superuser.com for some more information,

source: https://superuser.com/questions/524759/determine-the-hdmi-controller-from-the-command-line

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