Things You'll Need
Instructions
Using Backup Loader Channel
Turn on your Wii console. Select the "Homebrew Channel" and open the "WADS Manager" application. Select the "Wii Backup Loader Channel" from the menu and press the "A" button to install it. Restart your Wii console.
Download and install a DVD burning program such as ImgBurn, Nero or Roxio onto your computer. Run the program and use it to burn the Wii backup ISO file that you want to play on your Wii to a DVD. Burn the disc at the program's lowest settings.
Insert your newly burned Wii backup into the disc drive of your Wii system and click the "Wii Backup Launcher Channel," followed by the "Launch Game" option. Your backup Wii game should load like any other game disc.
Using the USB Loader Application
Turn on your Wii console and select the "Homebrew Channel." Select the "WADS Manager" application and install the "Wii USB Loader" application. Restart your Wii console.
Plug your external hard drive into your computer. Download and install a WBFS Manager. Use WBFS manager to convert your external hard drive to the WBFS format.
Use WBFS Manager to place the Wii backup .iso files you want to play on your Wii system onto your external hard drive. Eject your external hard drive from your computer.
Plug your external hard drive into the USB slot furthest from the center on the back of your Wii console. Click on the "Homebrew Channel" and select the "Wii USB Loader" application.
Use the Wii remote to navigate through the list of games you have installed on your external hard drive. Select the game you wish to play with the "A" button. Your game will now load like a regular game disc.