Copy the DCCV1_51.prn file directly to the root of the drive.
For legacy systems hosting DCCV151PRN files (common in manufacturing), FTP is still king. However, most people use FTP incorrectly. dccv151prn file better download
For HP notebooks, visit the HP Customer Support page. Enter your specific serial number to find recovery media or system tools. Copy the DCCV1_51