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Using Your Computer 63
Security Slot and Keyboard Lock
You can purchase a security cable and lock to protect your PowerBook. With a lock, you can
secure your computer to a desk or table.
Your PowerBook also comes with a keyboard locking mechanism. When the keyboard lock is
engaged, the keyboard can’t be flipped up for access to the internal components of the
computer, including the memory.
The keyboard locking mechanism is in the small plastic tab to the left of the Num Lock
key, which also contains the Num Lock indicator light. Your PowerBook comes with the
keyboard unlocked.
To lock the keyboard, use a small flathead screwdriver to the turn the screw clockwise 1/2
turn. A small tab prevents the keyboard from being removed.
Note: The screw that turns the plastic tab has a small notch on one side that you can use to
determine if the keyboard is locked. If the notch in the screw is on the top, the keyboard is
unlocked. If the notch in the screw is on the bottom, the keyboard is locked.
For More Information on Security Options
Additional information on the software security features of your PowerBook, including
multiple user passwords and file encryption, is available in Mac Help (see page 42). Choose
Mac Help from the Help menu and search for “security” or “multiple users.”
Note: If you are using Mac OS 9, the Password Security control panel used on older
computers is not compatible with your PowerBook and is not installed on your computer.
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Sample locking device
with security cable
Security slot