Use the virtual Nand option in usb loader gx. You can use usb loader gx to install the wads also, but it;s a hit and miss. Make sure you have your file/folfer path set up correctly in usb loader GX, try to use no folders for your nand dump, use the root of your sd card and or USB drive. You canhave multiple nands if desired if you have problems in regard of loading your games in usb loader gx if you installed alot of wads in the dumped nand, you better split some up.