Lenovo ThinkStation 4223, Руководство пользователя

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Chapter 4. Security
This chapter provides information about how to protect your computer from theft and unauthorized use.
Security features
The following security features are available on your computer:
• Computrace Agent software embedded in firmware
The Computrace Agent software is an IT asset management and computer theft recovery solution.
The software detects if changes have been made on the computer, such as hardware, software, or
the computer call-in location.
Note: You might have to purchase a subscription to activate the Computrace Agent software.
• Cover presence switch (also called intrusion switch) (only available on some models)
The cover presence switch prevents your computer from logging in to the operating system when the
computer cover is not properly installed or closed. To enable the cover presence switch connector
on the system board, to the following:
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 67.
2. Set the Administrator Password. See “Setting, changing, and deleting a password” on page 68.
3. From the Security submenu, select Chassis Intrusion Detection
➙
Enabled . The cover presence
switch connector on the system board is enabled.
When the cover presence switch detects that your computer cover is not properly installed or closed
when you turn on the computer, an error message will be displayed. To bypass the error message and
log in to the operating system, do the following:
1. Properly install or close your computer cover. See “Completing the parts replacement” on page 56.
2. Press F1 to enter the Setup Utility program. Then press F10 to save and exit the Setup Utility
program. The error message will not be displayed again.
• Ability to enable and disable devices and USB connectors
For more information, see “Enabling or disabling a device” on page 69.
• Startup sequence control
For more information, see “Selecting or changing the startup device sequence” on page 70.
• Startup without keyboard or mouse
Your computer is able to log in to the operating system without keyboard or mouse connected.
• Trusted Platform Module (TPM)
Trusted Platform Module is a secure cryptoprocessor that can store cryptographic keys that protect
information stored in your computer.
Locking the computer cover
Locking the computer cover helps prevent unauthorized people from gaining access to the inside of your
computer. A keylock
1 comes with this product built into the computer cover. The keys 2 for the cover
are attached to the rear of the machine. For security, store the keys in a secure place when you are not
using them.
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