In memory of Ben “bushing” Byer, who passed away on Monday, February 8th, 2016.

System Memory Format

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The system memory format feature of the Wii will allow you to return it, more or less, to it's factory state. This will erase all content including channels, saved games, tickets, and even any custom installed WAD files. This is a useful feature in case you've lost a WAD and are thus unable to completely uninstall it with the channel removal.

Warning: If you format your Wii's internal memory, your Wii code WILL change and your friends list will be cleared. Game friend codes will not change if you've backed them up properly using Waninkoko's Savegame extractor/installer.

How To Format

Formatting your Wii is a very simple process, simply:

  1. Go to the Wii System Settings Screen
  2. Move to Page 3 of the Settings
  3. Select Format Wii System Memory
  4. Enter PIN code if Parental Controls are set
  5. Select Format a few times until it begins

Your Wii will now be wiped out and all of your custom content will be gone.

Virtual Console & Wii Shop

When you format your Wii System Memory, you are still able to download Virtual Console games and Wii Ware applications that you have paid for through your Wii Shop Account. This is because your unique identifier is not erased in the format (possibly SHARED2\SUCCESSI\TRANSFER.ID).

If you wish to format your Wii Shop data, you will have to do so from the Wii Shop Channel, but be forewarned that doing so will make you unable to re-download your Virtual Console/Wii Ware content, or have access to your Wii Points.