Hi my friends,
I have the same problem when I connect a HDD. I tried the USB Loader, the wiiflow, etc but I cannot see my disk. The disk is appeared normally in another wii.
Here is the sysCheck output...
sysCheck v2.1.0b18 by Double_A and R2-D2199
...runs on IOS58 (rev 6176).
Region: PAL...