Asus P42F User Manual page 83

USB Interface Security
To lock the USB interface:
On the Security screen, select I/O Interface Security > USB
1.
Interface Security.
2. Select an interface you would like to lock and click Lock.
If you set USB Interface to [Lock], External Ports and CMOS
Camera will be locked and hidden simultaneously.
The USB Interface Security settings can only be altered when
you log in with Administrator privilege.
Notebook PC User Manual A-7