Ok if you have installed a bad theme then chances are you only get a black screen or a screen saying your system files are curupted so here this will save you wii

------PRILOADER IS NEEDED TO DO THIS------


STEP 1: HOLDING REST TURN ON YOUR WII IT SHOULD BRING YOU TO PRILOADER

STEP2: GO TO WHERE IT SAYS LOAD/INSTALL FILE CLICK ON IT AT THIS POINT YOUR SD CARD SHOULD HAVE ONLY YOUR ORIGANEIL SYSTEM MENU FILE ON IT YOU CAN DOWNLOAD THIS (google it) ALSO YOUR SD SHOULD HAVE THE BOOT FILE FROM MYMENUFY

STEP3: LOAD THE BOOT.DOL FILE IT WILL TAKE YOU TO MYMENUFY NOW SIMPLY INSTALL YOUR ORIGANIL SYSTEM MENY CLICK EXIT TURN YOU WII OFF THEN BACK ON AND YUP YUP YOU WII IS SAVED LOL