My wii, it is on same shame situation... i tried to install ios 90 from nus program. and after restarted does not shown anything... what a big shame. i spent 4 hours trying to fix it and, found that the best solution is to send it to nintendo. i did not have any priloader or bootmii. or anything and the light flashed one time. i tried to installed the ios 70.wad. to activate channels from the sdby beesheep - FixMii