SD not working after Homebrew and BootMii update

hello everyone! i,m having a 4.1 u wii which is now bricked(aka black screen of death).what happened was ,i was updating online but it took ages (8 hours passed but it was only at half download),i had no choice but to pull out the plug as i had to go to work.thenafter,nothing works/appears except the blackscreen..i've done the bootmii/boot2 and also nand backup kept in a 2gb sd card a/with hbc and other apps as well.what steps do i have to do from here to unbrick ? any kind of help is very much appreciated.

Quote
drazzammalek71
hello everyone! i,m having a 4.1 u wii which is now bricked(aka black screen of death).what happened was ,i was updating online but it took ages (8 hours passed but it was only at half download),i had no choice but to pull out the plug as i had to go to work.thenafter,nothing works/appears except the blackscreen..i've done the bootmii/boot2 and also nand backup kept in a 2gb sd card a/with hbc and other apps as well.what steps do i have to do from here to unbrick ? any kind of help is very much appreciated.

Put the nand.bin (and bootmii folder with files if they arent there) on the root of the SD and Restore the nand by clicking the wrench picture then click the picture with the arrow pointing at a chip.