How to solve horizontal screen in samsung laptop

[jpcapati]

My screen on laptop turned horizontally instead of vertically. Please help me
on how to solve it.

 

[jsmakkar]

Using System Restore, Restore your laptop to a date when your screen settings were fine.

 

[WR2]

Check your Display Settings:
From the Start Menu, type display into the search bar on the bottom.
Then choose Change Display Settings from the Control Panel options.
Check the Orientation Setting. It's normally Landscape but you may have it set in Portrait. Changing back to Landscape should give you the normal display.