•To limit who can access the sensors, click Change who can access sensors, then check or uncheck the box adjacent to the individual you would like to grant or prohibit access.
•To uninstall the sensor, click Uninstall this sensor.
Windows 8:
In Windows 8 systems, there are two ways to enable or disable the light sensor.
1.From the Modern Start Screen go to Change PC Settings
2.From the desktop, go to the Control Panel
32 - Display Panel