Launch from your OS or the intelligent provisioning boot menu.
You are not alone. The is a powerful, embedded RAID controller found in thousands of data centers and home labs. However, its advanced features—such as RAID 5, RAID 6, and SSD Smart Path—are locked behind a proprietary license key. hp smart array p420i license key
Ensure your smart storage battery or capacitor pack is functional. If the cache module is disabled due to a failed capacitor, advanced features will drop offline to prevent data corruption. How to Install and Activate an HP P420i License Key Launch from your OS or the intelligent provisioning