How do I get into UEFI shell BIOS?

Starting the UEFI Interactive Shell: Then, power on your computer. Just after pressing the power button, keep pressing the or key of your keyboard to enter the BIOS/UEFI Firmware of your motherboard.

How do I navigate in UEFI shell?

“Memory Commands — EFI Shell”. “Shell Navigation and Other Commands — EFI Shell”….» Table of Contents.

Command Description
Boot Commands — EFI Shell. Commands related to nPartition booting.
autoboot Set/view autoboot timeout variable.
bcfg Display/modify the driver/boot configuration.
boottest Set/view BootTest bits.

How do I boot from USB with EFI shell?

To access the UEFI menu, create a bootable USB media:

  1. Format a USB device in FAT32.
  2. Create a directory on the USB device: /efi/boot/
  3. Copy the file shell. efi to the directory created above.
  4. Rename the file shell.efi to BOOTX64.efi.
  5. Restart the system and enter the UEFI menu.
  6. Select the option to Boot from USB.

How do I flash BIOS from EFI shell?

Answer

  1. Save the BIOS update package to your computer.
  2. Extract the files from the UEFI folder of the BIOS package to a USB stick.
  3. Plug the USB stick into a USB port, boot to the Build-In UEFI Shell.
  4. Type FLASH.nsh BIOSname#.### to start the BIOS update:

How do I boot Linux UEFI shell?

4.2. 1. Booting from the UEFI Shell

  1. Boot the board up to the UEFI shell, as described in Running the Secure Monitor .
  2. Once the UEFI shell is loaded, enter the following command to boot Linux: Code. $ Image dtb=socfpga_stratix10_socdk. dtb console=ttyS0,115200 root=/dev/mmcb.

How do I get out of UEFI shell?

Navigate to Boot Option #1 and set it to Windows Boot Manager… Save and Exit the BIOS by pressing F4 on the keyboard or navigate to Save & Exit and select Save Changes and Exit from the menu.

What is EFI Shell used for?

The EFI Shell is a console interface used to launch applications (such as the Red Hat Linux installation program), load EFI protocols and device drivers, and execute simple scripts. It is similar to a DOS console and can only access media that is FAT16 formatted.

How do I reset my EFI Shell?

From the EFI Boot Manager menu, select the Boot Option Maintenance menu. Then from the Boot Option Maintenance menu select the Cold Reset menu to reset the local nPartition. The Cold Reset menu item resets all active cells in the nPartition and reboots them.