Press Ctrl + Alt + Arrow key to rotate the screen
Ctrl + Alt + Up Arrow to return to normal
Ctrl + Alt + Down Arrow to flip the screen upside down
Ctrl + Alt + Left Arrow to rotate the screen left
Ctrl + Alt + Right Arrow to rotate the screen right
Right-click the desktop and select Display settings
Find Display orientation
Choose Landscape, Portrait, Landscape (flipped), or Portrait (flipped)
Click Apply
Confirm the change if prompted
If keyboard shortcuts do not work, open your graphics control panel and change the rotation there