Dell OptiPlex 755 User's Guide - Page 275

• Attach a commercially available antitheft device to the security cable slot on the top of the computer. NOTE: On the ultra small form factor computer, the security cable slot is located on the back of the computer (see "Back View" on page 229). NOTE: Before you purchase an antitheft device, make sure that it works with the security cable slot on your computer. Antitheft devices usually include a segment of metal-stranded cable with an attached locking device and key. The documentation that comes with the device contains instructions for installing it. Trusted Platform Module (TPM) NOTE: Computers shipping into China are not equipped with TPM. NOTE: The TPM feature supports encryption only if the operating system supports TPM. For more information, see the TPM software documentation and the help files that came with the software. TPM is a hardware-based security feature that can be used to create and manage computer-generated encryption keys. When combined with security software, the TPM enhances existing network and computer security by enabling features such as file protection capabilities and protected e-mail. The TPM feature is enabled through a system setup option. NOTICE: To secure your TPM data and encryption keys, follow the backup procedures documented in the Archive and Restore section of the EMBASSY Security Center help file. In the event of these backups being incomplete, lost, or damaged, Dell will be unable to assist in the recovery of encrypted data. Enabling the TPM Feature 1 Enable the TPM software: a Restart the computer and press during the Power On Self Test to enter the system setup program. b Select Security→ TPM Security and press . c Under TPM Security, select On. Advanced Features 275