Install fwupdate-amd64-signed by entering the following commands in the terminal:
sudo apt update sudo apt install fwupdate-amd64-signed
Description:
Linux Firmware Updater EFI binary (EFI-AMD64 version, signed)
This is a transitional package to move to a common fwupdate-signed package
Version: 1.18+10-3
Section: universe/utils