Supermicro X13SEI-TF User Manual page 135

4. When the screen as shown above displays, use the arrow keys to select the item
"Proceed with flash update" and press the <Enter> key. You will see the BIOS recovery
progress as shown in the screen below:
Note: Do not interrupt the BIOS flashing process until it has completed.
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.
Appendix D: UEFI BIOS Recovery
135