@mjw I saw this on a Spanish website; I've had near 100% success rate:
1. Open Internet browser and reset all data
2. Open Internet browser and load website (eg eclipsesin)
3. After webpage fully loads, on wiiu gamepad, hold power until wiiu turns off
4. Turn on wiiu, open Internet browser. It should have cached webpage, or at least it will load it automatically
5. Load the kernel; gl
1. Open Internet browser and reset all data
2. Open Internet browser and load website (eg eclipsesin)
3. After webpage fully loads, on wiiu gamepad, hold power until wiiu turns off
4. Turn on wiiu, open Internet browser. It should have cached webpage, or at least it will load it automatically
5. Load the kernel; gl