Use Wii Backup Manager to backup your games to the PC.
Partition the HD using Primary partitions and make the Fat32 partition Active.
Format the game partition to WBFS.
Use Wii Backup Manager to re-install the games from your PC.
I've had bits of SD card break off inside the slot. The plastic separating the contacts is very brittle and easily broken.
MODS: can somebody change my flag to UK please......