Wii U - Turn off the Home button LED notifications
By default the Home button of the Wii U gamepad will flash each time you receive a new notification. To disable this feature:
- Tap on the Settings button (small wrench) of the Wii U gamepad.
- The System Settings menu will be displayed.
- Move to the Wii U GamePad section.
- Press A to select.
- Tap on Home Button LED Settings.
- Select Don't Use.