Press Ctrl + Alt + Up Arrow to return the screen to normal
Press Ctrl + Alt + Down Arrow to invert the screen upside down
Press Ctrl + Alt + Left Arrow to rotate the screen left
Press Ctrl + Alt + Right Arrow to rotate the screen right
Right-click the desktop and open Display settings
Find Display orientation
Select Landscape, Portrait, Landscape (flipped), or Portrait (flipped)
Click Apply
Confirm the change if prompted
On some PCs, use the graphics control panel to change rotation settings
On some laptops, use the keyboard shortcut assigned by the manufacturer