already done when I was in the bios earlier
and you tried to go back in wayland ?
will do BRB
back in Wayland and still the flickering pointer, IDK
am at a loss
I suspect that there are probably thousands of Yoga out there running Zorin without a problem
go back to xorg and run that and give me the output
xrandr
do that in terminal
xrandr --output DP-1 --rotation normal
Isn't it eDP-1 because it is the laptop screen?
output not recognised
my bad @Forpli is right big typo lol sorry
xrandr --output eDP-1 --rotation normal
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LOL! 
done, still no improvement
Poor Nourpon, you're working so hard here to help with all kinds of problems! Your knowledge far exceeds mine, so I can often only watch in amazement and have no idea what you're doing...Everyone makes a little typo now and then.
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you are both way ahead of me and I say a BIG thank you for your time and effort
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I just know what learned here with admins and I'm curious, I was sysadmin windows for 40 years 
but really thank you for compliments
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I was IT support at Ford motor co Bridgend in Wales for 39 years
give me the output of
cat /etc/X11/xorg.conf
I can learn a lot from you, and I really appreciate that.
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you would think that between us we would have solved this one, LOL