Public bug reported:
Problem:
Ubuntu Install ISO recognizes internal monitor of a notebook (whether it is
connected to the motherboard or not) when it is at the stage asking user to try
or install Ubuntu with a GUI.
Since, Ubuntu Install ISO is programmed to use 'extend monitors' function
automatically after booting up, the user is not able to see 'Try or Install'
GUI as that GUI would be on the internal monitor.
Since, during that GUI, no right-click or keyboard shortcuts are activated,
User is not able to switch to 'mirror monitors'.
When the internal monitor is not working, Ubuntu Install ISO would not be
functioning.
('Try or Install' GUI would be on the non-working internal monitor, and user
would only see a background on the external monitor, without being able to use
any keyboard shortcuts, or mouse-right click option, because Ubuntu Install
ISO, at that point, would only accept, mouse hovering on and clicking on 'Try'
or 'Install' and nothing else.)
Reproduction:
Use a notebook with an external monitor.
Disable internal monitor via BIOS, or take out the internal monitor connection
to the motherboard or use a notebook with a non-working internal monitor.
Solution:
Use 'mirror monitors' at Ubuntu Install ISO.
After 'Try or Install' GUI section and ubuntu-desktop is booted completely,
users can choose to switch to 'extend monitors' if they wish.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1921125
Title:
Ubuntu ISO recognizes an internal monitor not connected to motherboard
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