The Dell™ OptiPlex™ 755 User's Guide provides information on the various features and functions of the computer, including LegacySelect technology control, manageability, physical security, Trusted Platform Module (TPM), security management software, computer tracking software, smart cards and fingerprint readers, password protection, the system setup program, booting from a USB device, jumper settings, clearing forgotten passwords, clearing CMOS settings, Hyper-Threading and multi-core technology, and power management under Windows XP and Windows Vista.
