Press Ctrl + Alt + Up Arrow to return to normal orientation
Press Ctrl + Alt + Down Arrow to rotate the screen upside down
Press Ctrl + Alt + Left Arrow to rotate the screen left
Press Ctrl + Alt + Right Arrow to rotate the screen right
Right-click the desktop and open Display settings
Find Display orientation
Select Landscape, Portrait, Landscape (flipped), or Portrait (flipped)
Click Apply
Confirm the change if prompted
Open Intel Graphics Command Center if keyboard shortcuts do not work
Go to Display settings in the graphics app
Change the rotation option there
Check Dell keyboard function settings if shortcuts are disabled
Update display drivers if rotation options are missing