, a simple software extractor may not work because:
What "Guard" suggests The term “Guard” captures the dual nature of modern firmware: protection mechanisms (digital signatures, write protections, boot guards) designed to prevent tampering — and the challenge faced by those who must analyze or remediate devices when those protections hinder legitimate work. An extractor that respects "Guard" understands both the sanctity of secure boot and the needs of forensic or repair workflows. ami bios guard extractor
platomav/BIOSUtilities: Collection of various BIOS ... - GitHub , a simple software extractor may not work
afuwinx64 /ver