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Lenovo provides a full version of antivirus software on your computer with a free 30-day subscription. After
30 days, you must renew the license to continue receiving the antivirus software updates.
Note: Virus definition files must be kept up-to-date to guard against new viruses.
For more information about how to use your antivirus software, refer to the help system of your antivirus
software.
Using the Smart USB Protection function
The Smart USB Protection function is a security function that helps prevent data from being copied from the
computer to USB storage devices connected to the computer. You can set the Smart USB Protection
function to one of the following modes:
• Disabled (default setting): You can use the USB storage devices without limitation.
• Read Only: You cannot copy data from the computer to the USB storage devices. However, you can
access or modify data on the USB storage devices.
• No Access: You cannot access the USB storage devices from the computer.
To configure the Smart USB Protection function, do the following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 31.
2. Select Security ➙ Smart USB Protection and press Enter.
3. Select the desired setting and press Enter.
4. To save settings and exit the Setup Utility program, press F10 or Fn+F10 (depending on the keyboard
settings). Then, select Yes in the window displayed, and press Enter.
Computrace Agent software embedded in firmware (for selected
models)
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. You might have to purchase a subscription to activate the Computrace Agent software.
Trusted Platform Module (TPM)
TPM is a secure cryptoprocessor that stores cryptographic keys, which in turn protects information stored in
your computer.
Intel BIOS guard
The BIOS guard module cryptographically verifies all the BIOS updates to the system BIOS flash. Therefore,
the malware is blocked from attacking the BIOS.
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P520c User Guide
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