Sorry to bump an old thread, but I am having a similar problem on a virgin 4.3 Wii, there has never been any IOS changes made and I am booting the latest HackMii installer using Letterbomb. My problem is the exact same; the installer boots but once the 'Press 1' dialog appears the Wii Remote disconnects and will not reconnect until reboot (flashes all lights forever). I was wonderingby danageis - Homebrew General