Thierry de Coulon composed on 2018-09-05 14:46 (UTC+0200):

> I have a notebook that I connect to my school beamer with a HDMI cable.

> In Trinity Control Center I can see both my laptop screen and the HDMI screen. 
> I cannot use it if I don't "extend the desktop" to it, but then all my apps 
> open stretched overt the two and control is very difficult.

> I can set the external screen to the same resolution as the internal, but 
> there is no option to just mirror the internal screen on the external.

> Am I missing some black magic?

What does 'inxi -Gxx' in Konsole opened by a virgin user report? Is it the same
as when run by your regular user?
-- 
"Wisdom is supreme; therefore get wisdom. Whatever else you
get, get wisdom." Proverbs 4:7 (New Living Translation)

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/