Step 1: Unplug the Wii AC adapter at both ends (from the back of the Wii system and from the wall outlet or power strip).

Step 2: The AC adapter must remain unplugged at both ends for a full two minutes.

Step 3: Unplug anything connected to the USB ports and the Nintendo GameCube Controller ports (such as LAN Adapters, keyboards, Nintendo GameCube controllers, etc.).

Step 4:Check the AC Adapter for physical damage. Physical damage, such as frayed wiring or a cracked housing can cause the system to shut down. If the AC Adapter needs to be replaced.

Step 5: [After waiting two minutes, plug the AC adapter into the Wii system and directly into a wall outlet, not a surge protector or power strip. If the power light comes on and stays on, then the AC Adapter reset was successful.