Press Ctrl + Alt + Up Arrow to return the display to normal
Press Ctrl + Alt + Down Arrow to flip the display upside down
Press Ctrl + Alt + Left Arrow to rotate the display left
Press Ctrl + Alt + Right Arrow to rotate the display right
On Windows, open Settings
Go to System
Select Display
Find Display orientation
Choose Landscape, Portrait, Landscape (flipped), or Portrait (flipped)
Click Apply
Confirm the change if prompted
On a Mac, open System Settings
Go to Displays
Hold Option and click Scaled if rotation options are hidden
Select the rotation angle if available
On some graphics drivers, open the graphics control panel
Look for Display Rotation or Orientation
Select the desired rotation
Apply the changes