Samsung Galaxy Book Pro 360 User Manual page 20

Basics
2
The display will switch to tablet mode.
When the screen is turned off while using the computer as
a tablet, touch the screen to unlock it. When the computer
is in sleep mode, press the Power button to unlock the
screen.
You can also switch the computer's display to tablet mode without
rotating the display panel.
1
Select on the taskbar.
2
When the action center panel appears, select Tablet mode.
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