Press Ctrl + Alt + Up Arrow to restore the screen to normal
Press Ctrl + Alt + Down Arrow to turn the screen upside down
Press Ctrl + Alt + Left Arrow to rotate the screen left
Press Ctrl + Alt + Right Arrow to rotate the screen right
On Windows, right-click the desktop and select Display settings
In Display settings, find Display orientation
Choose Landscape flipped to turn the screen upside down
Click Keep changes to confirm
On some PCs, use the graphics control panel to change rotation
On some laptops, use the keyboard shortcut if enabled by the graphics driver