To Protect Against Viruses - HP Compaq Presario,Presario 1110 Reference Manual

Basic Operation
Securing Your Computer
3. Insert the lock into the security connector on the left side of the computer and release
the key. Store the key in a safe place away from the computer.

To protect against viruses

Virus-protection software can help protect the integrity of your data. This is especially
important if you use the Web.
Your computer comes equipped with Norton AntiVirus software. You can get detailed
instructions from the software's online Help.
Reference Guide 39