Ubuntu – Ubuntu 18 scale problem


Recently i have upgraded from Ubuntu 16 to Ubuntu 18. Usually i use Mate desktop and the upgrade was made in Mate session via command line.
The problem is, that when i log into Ubuntu desktop it is as if scaled to 200% i can see only one quarter of the desktop and i can reach other corners with mouse.
I have checked the scale option in settings: it is 100%, so the problem is not here.
When i log back to Mate, it is all right.
I have rebooted several times and ran "sudo dpkg –configure -a" (if it matters).

Best Answer

It was zoom (in Universal access) enabled.

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