Samsung SyncMaster 750B Owner's Manual page 54

Overview | Installation
When Rotation is functioning, part of MagicTune Program may not operate
normally.
Auto Rotation : Auto Rotation will automatically pivots the monitor to 0,
90, 180degrees when you pivots the monitor.
To execute Auto Rotation, it should be done as below.
Please install both of Rotation program and MagicTune 3.6, 3.7 in your PC.
Launch Magic tune 3.6, 3.7
Option → Preference → click the small box as "V" in enable task tray
menu.
Interface
The Menu on task bar
Rotate : Display will get rotated by the unit of 90 degree
Rotate to 0 : Display will get rotated to 0 degree from the current angle of
Rotation.
| Interface | Uninstall
Menu pop up at the mouse right button
| Troubleshooting
click.