How to Fix a Rotated Screen

Perhaps it happened when you plugged in or detached an external monitor. Maybe you just hit the wrong key somehow, but now your Windows desktop is sideways, positioned in portrait mode while your screen is in landscape (horizontal) view. You can't even read the text without tilting your head or turning your display on its side. 

There are a couple of ways to fix a sideways screen in Windows; these methods work in Windows 7, 8 and 10

Rotate Screen with a Keyboard Shortcut

Hit CTRL + ALT + Up Arrow and your Windows desktop should return to landscape mode. You can rotate the screen to portrait or upside-down landscape, by hitting CTRL + ALT + Left Arrow, Right Arrow or Down arrow.

Rotate Screen with a Display Settings Menu

1. Right click on the desktop and select Display settings.

2. Select Landscape from the orientation menu.

3. Click Apply (or OK)

4. Click Keep Changes when prompted.

Hope this will help you to solve your problem. Keep in touch!