You do that for the default settings not the per game settings
Try that before going with shrinking the drive just in case, though not had any problems with that myself, but you never know.
If you can't find those in CFG I will find them on GX for you you then just use that until you figure out CFG
So far I'm at a bit of a loss as to why it would freeze before it even has been told to launch the game, it should do that especially for GX
Depending on the skin layout but eventually they all take you to a screen with Options and Start in the GX loader, it sometimes again depending on the skin after hitting start seem to sit there for a little while but it will load the game, this is usually just the first time you launch or after settings have been changed after that it should take you directly to the game if you have the settings setup ok
Defaults in GX are located at the Cog icon on the main screen, I think it is under Load Game or Load that the defaults for launching Wii software can be set