· Download the map image from the Open Street Maps and click on the complete link option. · The file name should be “gmapsupp.img”. · Once the download process is completed, plug your Garmin device to your computer system. · Place your Garmin Nuvi device into the USB Mass Storage mode. · Once done, open File Explorer and select the device name. · Launch the Garmin or Map folder and then, copy the downloaded file and paste it into the same folder. · Wait till the file is copied into the destination folder and then disconnect your device from the computer. · Then, restart your device to save the changes that you have made. · Reboot the device and select the “New Map” from the settings. · Next, open the “Tools” option and choose the “Settings” option from the dashboard.