Table 8. Security
Option
Description
Admin Password
Allows you to set, change, and delete the admin password.
System Password
Allows you to set, change, and delete the system password.
Internal HDD-0 Password
Allows you to set, change, and delete the computer’s internal HDD.
Internal HDD-1 Password
Allows you to set, change, and delete the computer’s internal HDD.
Internal HDD-2 Password
Allows you to set, change, and delete the computer’s internal HDD.
Strong Password
This option lets you enable or disable strong passwords for the system.
Password Configuration
Allows you to control the minimum and maximum number of characters allowed for a administrative
password and the system password. The range of characters is between 4 and 32.
Password Change
This option lets you determine whether changes to the System and Hard Disk passwords are
permitted when an administrator password is set.
Allow Non-Admin Password Changes
- This option is enabled by default.
UEFI Capsule Firmware Updates
This option controls whether this system allows BIOS updates via UEFI capsule update packages.
This option is selected by default. Disabling this option will block BIOS updates from services such as
Microsoft Windows Update and Linux Vendor Firmware Service (LVFS)
TPM 2.0 Security
Allows you to control whether the Trusted Platform Module (TPM) is visible to the operating system.
•
TPM On (default)
– PPI Bypass for Enable Commands
– PPI Bypass for Disable Commands
– PPI Bypass for Clear Commands
– Attestation Enable (default)
– Key Storage Enable (default)
– SHA-256 (default)
•
Clear
•
TPM State
– Disable
– Enable (default)
Computrace
This field lets you Activate or Disable the BIOS module interface of the optional Computrace Service
from Absolute Software. Enables or disables the optional Computrace service designed for asset
management.
•
Deactivate
- This option is selected by default.
•
Disable
•
Activate
Chassis Intrusion
The options are:
•
Disable (default)
•
Enable
•
On-Silent
Admin Setup Lockout
Allows you to enable or disable the option to enter Setup when an Administrative password is set.
This option is not set by default.
Table 9. Secure Boot
Option
Description
Secure Boot Enable
Allows you to enable or disable Secure Boot feature
60
System setup
Summary of Contents for OptiPlex 5055 Tower
Page 1: ...Dell OptiPlex 5055 Tower Owner s Manual Regulatory Model D18M Regulatory Type D18M004 ...
Page 12: ...4 Lift the front bezel to remove it from the computer 12 Disassembly and reassembly ...
Page 44: ...b Slide and lift the system board away from the computer 2 44 Disassembly and reassembly ...