Once finished, select > Load Wii System Menu to launch the Wii interface. Option 2: Using NUS Downloader (Manual)
Note: This method will not give you a unique console ID for online play or your old save files. wii nand download dolphin top
This is the top tool in the Dolphin community. It downloads official IOS files and System Menu from Nintendo's Update Servers (NUS) and builds a clean, fresh NAND. Once finished, select > Load Wii System Menu