Hey all First post here.... I'm fairly tech savvy, so no noob, but only now just got around to trying to get loadiine up and running on my Wii U. I've tried 6 different SD cards - from older 2gig to new sans disk c10 64gb SDXC card. All formatted FAT32. I've tried each with 32 / 64 cluster size, different formatting techniques (MACOS - disk utility and terminal, Panasonic SDformatter and Windows Fat32 formatter as well as combinations of the two!) and NOTHING works. I always get the FS Mountsource failed error. None of the cards will save Mii's (it just says no SD card inserted). When I go to the Wii Menu and look at the SD page, when I insert the SD card it says 'reading' (so it recognises that there is a card being inserted) but every time says this card cannot be used. I've cleaned the SD slot, compressed air then next time around with isopropyl alcohol and pipe cleaners.... ALL cards recognised on my laptops etc. SO - can I safely assume that, despite NEVER being used before, that the SD slot is f*cked, or am I still missing something?!? Any help hugely appreciated thanks.