5. My screen has rotated!
This is a problem where the your computer display appears sideways, tilted either 90 degrees to the left or 90 degrees to the right.
This happens as a result of accidentally using the keyboard shortcut CTRL+ALT+Directional Arrow, on computers with an Intel graphics chip set and driver.
To return the screen display to its normal, upright state simply use the above combination with the UP Arrow key, by pressing these keys together: CTRL+ALT+Up Arrow.
Additional information
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