If you are reflashing just to remove a password, remember that many G5 models store security data in the TPM chip or a secondary security controller (EC), so a standard BIOS flash alone may not always clear it.
Connect your programmer to the chip (use pin 1 alignment). Read the original chip and save the dump as backup_original.bin . This is crucial for recovering original MAC address and DMI data. da0x8cmb6e0 rev e bios bin
HP ProBook 450 G5 Motherboard with Intel i5-8250U DA0X8CMB6E0 If you are reflashing just to remove a