Dell OptiPlex 5055 - System Setup and BIOS Configuration; BIOS Overview and Boot Menu; System Setup Options

System setup
System setup enables you to manage your tabletdesktopnotebook hardware and specify BIOS level options. From the System setup, you
can:
• Change the NVRAM settings after you add or remove hardware
• View the system hardware conguration
• Enable or disable integrated devices
• Set performance and power management thresholds
• Manage your computer security
Topics:
• BIOS Overview
• Specications
BIOS Overview
Boot menu
Press <F12> when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system. Diagnostics
and BIOS Setup options are also included in this menu. The devices listed on the boot menu depend on the bootable devices in the system.
This menu is useful when you are attempting to boot to a particular device or to bring up the diagnostics for the system. Using the boot
menu does not make any changes to the boot order stored in the BIOS.
The options are:
• Legacy Boot:
• Internal HDD
• Onboard NIC
• UEFI Boot:
• Windows Boot Manager
• Other Options:
• BIOS Setup
• BIOS Flash Update
• Diagnostics
• Change Boot Mode Settings
System Setup options
NOTE
: Depending on the computer and its installed devices, the items listed in this section may or may not appear.
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