How can I reset a Wii that has no access to settings?

I got a Wii from a church, it has no access to settings, online, or the eshop. Attempting to access any of these results in a "system files corrupted" error. I must clarify, I have absolutely no access to the system settings, I can only look at the storage.

Is there anything I can do?

technical-issues nintendo-wii

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How do you force reset a Wii?

Basically, you go to the third page of settings of your Wii and then select 'Format Wii System Memory'. Then press 'Format' and TA-DA! Warm note: after you reset it all the data will POOF gone.

How do I reset my Wii without parental controls?

Complete these steps

Access the Wii Data Management screen.

Select Save Data. Save Data Icon.

Select Wii.

Select the tab labeled Wii at the top of the screen to view the data stored on the Wii console. The Wii tab selected on the Save Data screen.

Select the desired data, and then select the Erase option.

How do I completely wipe my Wii?

If you forget your PIN, it's possible to reset it by following these steps: Access the Wii System Settings from the Wii Menu. Click on the blue arrow to reach the Wii System Settings 2 menu options. Tap "I Forgot" on the PIN entry screen.

How To Synchronize Wii Remotes

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Anete Lusina, Felicity Tai, Craig Adderley, Frans van Heerden