Just type the Service Tag which is followed by -8FC8 suffix, verify that code was typed correctly and proceed with checkout.
Note: For the moment HDD password is not supported, but will be added shortly.
Once payment is completed you will immediately receive an e-mail with “master password + instructions”, this password will allow you to reset the Administrator/System passwords and set your own if desired, reconfigure boot options, etc.
Brief compatibility list:
Latitude 5300 Latitude 5300 2-in-1 Latitude 5310 Latitude 5400 Latitude 5410 Latitude 5500 Latitude 5501 Latitude 5510 Latitude 7200 2-in-1 Latitude 7300 Latitude 7400 Latitude 7410 Precision 5750 Precision 7540 Precision 7550 Vostro 5401
*Some models listed as using 8FC8 suffix, may use E7A8 suffix instead.