1 Getting to know your Extensa32English Securing your computerYour computer is a valuable investment that you need to take care of.Learn how to protect and take care of your computer.Security features include hardware and software locks — a securitynotch and passwords.Using a computer security lockA security keylock notch located on the rear of the computer lets youconnect a Kensington-compatible computer security lock.Wrap a computer security lock cable around an immovable object suchas a table or locked drawer handle. Insert the lock into the notch andturn the key to secure the lock. Some keyless models are also available.Using passwordsPasswords protect your computer from unauthorized access. Settingthese passwords creates several different levels of protection for yourcomputer and data:• Supervisor Password prevents unauthorized entry into the BIOSUtility. Once set, you must key-in this password to gain access tothe BIOS Utility. See “BIOS Utility” on page 45.• User Password secures your computer against unauthorized use.Combine the use of this password with password checkpoints onboot-up and resume from hibernation for maximum security.