I have followed this guide:
http://sites.google.com/site/completesg/ba.../usb/gx/readmii
Trying to install USB loader GX.
My Wii is black (D3-2) and version is: 4.2E
Now it seems that I have everything is place, but when I try to load USB Loader, I get:
...
Init wbfs ...-100
You have issues...