Help connecting Carminat SD card from a Renault Clio III to computer for update.

Coakley_C28 Registered Users Posts: 1
New Traveler
edited January 2019 in Built in car navigation
I recently bought a used 2011 Renault Clio III and upon receiving the Carminat TomTom, it displayed 'no maps found'. I attempted to update it with the SD card on TomTom Home but had no luck with it recognising the SD card.