[arch-general] How to remove secondary display shown in Gnome 3 settings
ranrund at gmail.com
Fri Apr 22 20:14:21 UTC 2016
While trying to fix what I thought was an application program window
placement problem, it turns out that the problem was that Gnome 3 seems to
be detecting a display which does not seem to exist.
Clicking the Gnome "Settings" icon, then the "Displays" icon seems to show
both a primary and a secondary display.
But there is only one monitor and one graphics card!
The primary display is correct:
1366 x 768 resolution, 16 x 9 aspect ratio.
But even thought there is no second monitor or graphics card, "Displays"
shows a secondary display as:
848 x 480 resolution, 16 x 9 aspect ratio.
So, how can I delete the non-existent secondary display. (In the good old
days, "Displays" included a button to detect displays. Not now).
1) Wild guess: 848 x 480 seems like some sort of phone or tablet display,
but 16 x 9 wouldn't seem to be a phone display.
2) A non-existent display - I worry: have I been hacked?
This is on an unmodified, standard, name-brand computer running up-to-date
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