If you are currently stuck on this screen with a repack version, the community generally suggests these steps:
Some repacks force-load a specific IOS that your drive doesn’t support. Reset configs if needed. wii usb loader gx usb device not initialized repack
: Mechanical hard drives often require more power than a single Wii port provides. If your drive spins up and then stops, use a USB Y-cable to draw power from both ports simultaneously. If you are currently stuck on this screen