Press Ctrl + Shift + Refresh
Press Ctrl + Shift + Rotate screen key if your Chromebook has one
Open Settings
Select Device
Select Displays
Choose the display you want to rotate
Use the Rotation dropdown
Select 0°, 90°, 180°, or 270°
Press Ctrl + Shift + Refresh
Press Ctrl + Shift + Rotate screen key if your Chromebook has one
Open Settings
Select Device
Select Displays
Choose the display you want to rotate
Use the Rotation dropdown
Select 0°, 90°, 180°, or 270°