If your operating system begins to load before you press F11, allow the system to complete the booting, and then restart your system
and try again.
Related links
Boot Manager
Boot Manager main menu
Boot Manager main menu
Menu item
Description
Continue Normal
Boot
The system attempts to boot to devices starting with the first item in the boot order. If the boot attempt fails, the
system continues with the next item in the boot order until the boot is successful or no more boot options are
found.
One-shot Boot
Menu
Enables you to access boot menu, where you can select a one-time boot device to boot from.
Launch System
Setup
Enables you to access System Setup.
Launch Lifecycle
Controller
Exits the Boot Manager and invokes the Dell Lifecycle Controller program.
System Utilities
Enables you to launch System Utilities menu such as System Diagnostics and UEFI shell.
Related links
Boot Manager
Viewing Boot Manager
One-shot BIOS boot menu
One-shot BIOS boot menu
enables you to select a boot device to boot from.
Related links
System Utilities
System Utilities
contains the following utilities that can be launched:
•
Launch Diagnostics
•
BIOS Update File Explorer
•
Reboot System
Related links
PXE boot
You can use the Preboot Execution Environment (PXE) option to boot and configure the networked systems, remotely.
To access the
PXE boot
option, boot the system and then press F12 during POST instead of using standard Boot Sequence from BIOS
Setup. It does not pull any menu or allows managing of network devices.
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Dell EMC PowerEdge R640 Installation and Service Manual
Pre-operating system management applications