A computer-implemented tool for use with an medical device having a computer system, the tool including an unsecured software-implemented suite of diagnostic tools and utilities configured to read logs, read system configuration provide a Telnet function, eject USB, and deactivate itself, and a secured software-implemented suite of diagnostic tools and utilities configured to interpret a key file received from an external source, upload the tool into the computer system of the medical device, run the tool upon booting up of the computer system to enable a replacement component in the medical device to be activated after installation in the medical device.