[SOLVED] Second display does not appear in display settings.

[SOLVED] Second display does not appear in display settings.

Postby Kai » Thu Feb 08, 2018 12:12 pm

Hi,

I am trying to connect my laptop to my TV via HDMI, however my TV does appear under 'Screen Display' in the display settings. The TV functions as a second display in both Windows (on the same laptop) and on a MacBook but I cannot work out how to make it appear in ZorinOS 12.

Any help is greatly appreciated.

Thank you!
Last edited by Kai on Sat Feb 24, 2018 1:10 pm, edited 1 time in total.
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Re: Second display does not appear in display settings.

Postby Swarfendor437 » Thu Feb 08, 2018 6:31 pm

Having read about similar issues here: https://unix.stackexchange.com/question ... untu-14-04 one possible solution is to ensure that the HDMI is attached to the Notebook before booting. ;) :D

Keep us posted.
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Re: Second display does not appear in display settings.

Postby Kai » Fri Feb 09, 2018 12:10 am

Thanks for the help! Unfortunately attaching the HDMI cable prior to booting the laptop didn't seem to make any difference. I still only get the laptop's display showing up under 'Screen Display'.
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Re: Second display does not appear in display settings.

Postby zorinantwerp » Fri Feb 09, 2018 9:07 am

Hi Kai

I use Zorin OS 12.2 ultimate

- connect TV and laptop with HDMI
- lite TV and fiddle with your remote controle to assure that you have the correct HDMI channel shown on TV
- lite on the laptop. I used WIFI for testing.
- the desktop picture was shown automatically on the TV but... no possibility to show menu/internet browser or do anything
- go to DISPLAY in your laptop/menu/settings to see if the TV was recognized correctly (mine is not a recent flatscreen and at least 7 years old )
- you see a case to tick off for 'mirror displays' and yes you can use the TV screen for Zorin :)

Image
Image

good luck
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Re: Second display does not appear in display settings.

Postby Finston Pickle » Mon Feb 12, 2018 9:59 am

I would be tempted to find out the native display format of your TV and the alternate input formats that it can work with - this should be in the back of the operating instructions. I would work with the native display format (as I guess the TV works best with this).

You then would need to ensure that your Zorin system is set to be able to drive that format on both your PC display and your TV - mirroring uses the same picture format for both screens driven.

My thread on driving and external display ready for driving my TV should help you - viewtopic.php?f=5&t=13594
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Re: Second display does not appear in display settings.

Postby Swarfendor437 » Mon Feb 12, 2018 9:24 pm

Hi, Try this Gnome Extension:

https://extensions.gnome.org/extension/ ... e-chooser/

I know it says sound but it 'might' just work? ;) :D

Also see if this extension helps: https://extensions.gnome.org/extension/ ... -switcher/ (with acknkowledgement to albano as it is in the Italian How-to section. ;) :D
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Re: Second display does not appear in display settings.

Postby Kai » Wed Feb 14, 2018 8:53 am

Thanks for all the suggestions! Unfortunately, none have worked for me.
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Re: Second display does not appear in display settings.

Postby Swarfendor437 » Wed Feb 14, 2018 7:24 pm

Have you installed xrandr? ;) :D
https://vimeo.com/user15592214
https://trisquel.info/
https://www.opendesktop.org/member/257685/

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Re: Second display does not appear in display settings.

Postby Kai » Mon Feb 19, 2018 12:42 pm

I have - no luck!
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Re: Second display does not appear in display settings.

Postby qnarkill » Wed Feb 21, 2018 9:19 pm

Its a long shot but maybe worth trying?
https://ubuntuforums.org/showthread.php?t=2375101
700 MH/s on Zorin.
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