Problem with vertical display screen after install of Zorin OS

Hello,
I’m a newbie in the Linux world.

I have installed ZorinOS a long side of Windows 10.

I have a Thomson NEO 360 13” (switch automatically from desktop mode to tablet mode under Windows).

My problem is: my display is always vertical when I hold the PC has desktop, and when I hold the PC like a tablet it switch to desktop mode.

Even during the set up of Zorin OS I had that issue. I though the issue will be solved after the install is completed but it still remains.

Any clues or any solutions to solve this display issue?

Éric

From terminal, you can run:
To put in Desktop Mode

xrandr -o normal

To put in Tablet Mode

xrandr -o left

As far as a permanent fix, I am not sure. You might try Searching the web for "Ubuntu 18.04 screen rotation issue".

Thank you!
I did not try your solution because I found the following one before yours and it works for me How to fix screen rotation

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