Managing basic system settings using the system firmware You can manage basic settings and features of a system without booting to the operating system by using the system firmware. NOTE: The settings specified in this section are set by the system identity module and should not be modified. CAUTION: Changing the default settings may make the node unusable. Dell EMC recommends only making changes under the direction of Dell EMC tech support. Child TopicsOptions for managing pre-operating system applicationsThe following options manage the pre-operating system applications: Using the system setupThe System Setup screen allows you to configure the BIOS, iDRAC, and device settings of your system. Dell Lifecycle ControllerThe Dell Lifecycle Controller (LC) provides advanced embedded systems management capabilities, including system deployment, configuration, update, maintenance, and diagnosis. LC is delivered as part of the iDRAC out-of-band solution and Dell EMC system-embedded Unified Extensible Firmware Interface (UEFI) applications. Boot ManagerThe Boot Manager screen enables you to select boot options and diagnostic utilities. PXE bootUse the Preboot Execution Environment (PXE) option to boot and configure the networked systems remotely.