Here’s a draft for a description/content, suitable for a software documentation page, internal IT knowledge base, or forum post. HP DMI Editor Tool – Overview & Usage Guide What Is the HP DMI Editor Tool? The HP DMI Editor Tool (sometimes labeled as DMIFIT or DMI Editor ) is a proprietary utility used to modify or repair the Desktop Management Interface (DMI) data stored in the BIOS/SPI flash of HP business PCs, workstations, and some consumer notebooks.