Under normal circumstances, a user never touches the DMI. However, there are specific scenarios where this data is lost or corrupted:

Some HP models lock DMI writing after the first boot. If you receive an “Access Denied” or “Writable area locked” error, you may need to use the “Force Write” option (if available) or use a hardware SPI programmer as a last resort.

This tool provides a menu-driven interface. After booting: