No maps available on Mazda 5

John Frankham
John Frankham Registered Users Posts: 1
Apprentice Seeker
edited February 2021 in Built in car navigation
I have a Mazda 5 with a builtin sat nav system. It was working, and I decided to try and upgrade the maps. I removed the SD card, backed up the contents on my PC and re-fitted it back in the sat nav device. I made no changes to the CD. Now all i get is no maps available.