90 degree inverted remedy

[Guest]

Hello,my little bro pressed some keys of the key board due to which the desktop screen is inverted 90 degree left
please tell me the remedy

 

[greenfield]

Greeting: Here you go


How to Reverse an Upside Down Computer Screen?

http://www.ehow.com/how_4825312_reverse-upside-down-computer-screen.html




desktop display upside down

http://computerkid.blogspot.com/2006/07/desktop-display-upside-down.html

best of luck
later,G