RTD Interface & MPVI2 – Cannot Resync or Connect. If you have a connection issue with your device and your computer can't connect to your RTD or MPVI2, and gives a message, "Please connect an MPVI2 or RTD interface", you will need to download and install the drivers from HP Tuners. _______________ 1. Use the link here Drivers, and click on the option "Download MPVI2 Drivers" (same as RTD). 2. After it downloads, open the file to install the drivers.