Nintendo Support: How to Boot the Wii U Console into the Wii Menu

Wii U update will boost boot times with new Quick Start menu - Vooks

Goodbye, Gamepad: A Farewell To The Wii U eShop - Game Informer

Assistência da Nintendo : How to Boot the Wii U Console into the Wii Menu

Wii U backwards compatibility explained: How to play Wii or older games on the current-gen console

Help! My Wii U menu won't load. : r/WiiUHacks

Many users reporting bricked Wii U consoles after not playing them for years - My Nintendo News

Wii U - quick menu boot footage

I've made Wii U Virtual Console controller infographic. Hope it will be useful! : r/wiiu

HELP! My Wii U shows this massage on boot (Aroma) and nothing connects to the console, so I can't press anything to continue! : r/WiiUHacks

Wii U - The Cutting Room Floor

Wii U Architecture A Practical Analysis

Nintendo Just Made the Wii U a Whole Lot Speedier