[Read Write Repeat]

1. Copy the contents of the SD card back to the PC.
2. Format the SD card to Fat32.
3. Copy the contents from the PC back to the SD card.
4. Insert SD card into MacBook Air.
5. Copy the contents from the SD card to the MacBook Air.

[ETL]

Thanks. The problem is my friend doesn’t have a PC. Only the MacBook Air. I guess I’ll have to get the card back from him and reformat it to FAT32 on my PC at home, or at a public library, refill it, then bring it back to him to do the transfer.