Do not manually drag and drop .iso files into the folders. Use Wii Backup Manager for Windows or Witgui for Mac. These tools automatically split games larger than 4GB to bypass the FAT32 file size limit and properly name the game folders with their unique GameIDs. Troubleshooting Common USB Loader GX Errors
and older Wii models, a is highly recommended. You plug the primary data/power cable into the console's top rear USB port (on usb loader gx usb compatibility list exclusive
Open USB Loader GX settings, navigate to Hard Drive Settings , and ensure the "USB Port" is set to Port 0. Do not manually drag and drop
Extremely reliable, but you must ensure your Wii's cIOS is fully updated to avoid initialization timeouts. navigate to Hard Drive Settings