Wii Usb Loader GX - USB device not found?

I have used a 8GB usb flash drive for loading games with USB Loader GX for loading games without a problem. I recently ran out of space, so I decided to get another 8GB USB flash drive and now I'm having problems. I have formatted to WBFS and put a game on the drive successfully but now when I put it in the wii... show more I have used a 8GB usb flash drive for loading games with USB Loader GX for loading games without a problem. I recently ran out of space, so I decided to get another 8GB USB flash drive and now I'm having problems. I have formatted to WBFS and put a game on the drive successfully but now when I put it in the wii and load USB loader GX it says "USB drive not found". The other USB drive still works