this section is pretty dead now, i tried searching through the old threads and nothing sounded like what i'm experiencing right now. so basically i haven't turned on the Wii in many many months. today, i tried to turn it on and my TV was saying "No Signal Found" even though the light on the Wii was green. i turned it off, then put in my SD card with apps on it. BootMii launches and i get 4 selections- Wii, the homebrew channel, SD, and settings. if i choose Wii or the homebrew channel, i get the "No Signal Found" on my TV. i'm not sure what else i can do from BootMii. any help would be awesome! EDIT: more info from the Settings > Info BootMii v1.1 Stub v1.1 Mini v1.1 SysMenu 4.2u boot1b boot2v2 NAND FS usage 84.3% i also tried selecting the icon that shows an arrow point from a chip to the SD card. it looked like it was going through some scan, then it backed up something. not sure what all this was. but now if i try to select the SD option from the first menu, i get "Failed to read dir!". EDIT: i left the entire Wii unplugged over night, about 9 hours. i just plugged everything in, and the same things happened. the Wii can be powered on with a Wii remote. so i guess that means the Bluetooth module still works? i never use Wi-Fi on it, but it could go bad? PROBLEM SOLVED (so anyone with this issue doesn't have to read the entire thread): go here: http://www.hacksden.com/showthread.php/5574-Format-Wii-Nand-Using-ohneswanzenegger-Guide and download the "ohneschwanzenegger" software. while that's downloading, make a backup of your nand through BootMii. the backup creates 2 files on your SD card "keys.bin" and "nand.bin" copy these to your hard drive in a safe place. then copy again these files into the "ohneswanzenegger_r85" folder. launch the "ohneschwanzenegger.exe" click on "Nand Dump" on the upper left. then "New nand..." click on the big "Existing Nand..." button and select your "nand.bin" file within the same folder. click on the "Keys" button and select your "keys.bin" file. then click OK. type in "4.1u" in the first row, first input box, and click "Get It!" this will take some time. a popup prompt will come up with info about your Wii. make sure everything matches. in my instance, this popup did not have the correct Serial Number. so i had to manually change it. click OK. this then created a "testnand.bin" file. rename this to "nand.bin" copy this new "nand.bin" file and replace the one on your SD card. do not touch the "keys.bin" file. put this SD card back into the Wii and launch BootMii. restore your backup, and this should a longer while. done.