SD cards larger than 2GB are sometimes not properly initialized by the carNAVi GPS unit. This is caused by some slow cards, where the system does not find the card during powering on. The solution is to format the card in FAT32 file-system with a cluster size (allocation unit size) of 16KB (16384Bytes) or 32KB (32768Bytes).

First use the carNAVi Backup Tool to save all your data from your SD card to your PC, download this tool for free from http://www.car-navi.ph/2010/carnavi-backup-tool/

How to format the SD card?

For Windows 7:

Insert the card in a card reader or connect the carNAVi via USB to your PC. Open “My Computer”, right click on the carNAVi SD card and select FORMAT.

In the Format dialog (see left) select the highlighted settings and enter CARNAVI as the volume name.

After formatting use the carNAVi Restore Tool to write the data back to the card.

For Windows XP:

Insert the card in a card reader or connect the carNAVi via USB to your PC. Open “My Computer” and locate the drive letter of the SD card, for example G:

Windows XP does not offer the selection of the cluster size in the GUI Formatting tool, so you need to open a command line. Just click on START, RUN and enter CMD here, then use the following command to format your SD card properly:

format g: /fs:fat32 /v:carNAVi /a:32k  [press Enter]

Example drive letter, please replace the drive regarding the drive letter of your carNAVi SD card in your system.

 

Then use the carNAVi Restore tool to restore your navigation software and data to the SD card.