Supermicro B13SEG Owner's Manual page 124

Super B13SEG User's Manual
5. After the BIOS recovery process is completed, press any key to reboot the system.
6. Using a different system, extract the BIOS package into a USB flash drive.
7. Press <Del> during system boot to enter the BIOS Setup utility. From the top of the tool
bar, select Boot to enter the submenu. From the submenu list, select Boot Option #1
as shown below. Then, set Boot Option #1 to [UEFI AP:UEFI: Built-in EFI Shell]. Press
<F4> to save the settings and exit the BIOS Setup utility.
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