HP System Disabled A-code is 8-hex digits long (0-9/A-F), verify that code is typed correctly and proceed with checkout.
Once payment is completed you will immediately receive an e-mail with “password + instructions”, this password will allow you to reset the Administrator/System passwords and set your own if desired, reconfigure boot options, etc.
IMPORTANT: Do not type anything, as System Disabled code will change after 3 incorrect passwords.