Toshiba M4 User Manual page 191

Sample Toshiba Rotation Utility screen
2 Select a new display format for either PC mode or Tablet
PC mode.
3 Click OK.
Toshiba recommends that you use the Toshiba Rotation Utility
NOTE
to change screen rotation options and settings for the tablet
feature Tablet and Pen Settings.
The Escape key, located between the Cross-Functional button
NOTE
and the Windows Security button on the front of the display
can "lock" the display in its current display setting - landscape
or portrait.
Toshiba Utilities
The Toshiba Rotation Utility
191