I use Ubuntu Gnome 16.10 on a desktop PC with dual screen.
I have an Nvidia graphic card (GTX 960 TI) and since I had a hardware problem, one of the outputs of the card doesn't work well.
Since this problem, linux seems to detect a third screen, seen to be the main screen for login, so I have to log in a "blind" way (I can't see what I'm taping or doing).
How can I configure the login screen to ignore this phantom screen and show the login options on my real main screen ?
Here is a xrandr output for my system : https://paste.ubuntu.com/23677906/ (the DVI-I-0 seems to be the "phantom" screen).
(And Merry Christmas to all !)
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