if you restored from a NAND backup. your wii would be in whatever state it was when the backup was made...you would lose all changes made since the backup. if you only have bootmii/ios, restoring from a nand backup is NOT advised and NOT necessary...if you can load bootmii/ios, then you can fix whatever the problem is without restoring.
about your drive, Kresent is suggesting your drive is wearing out; shot; just about dead....running backup discs has been known to wear optical drives out....
about your drive, Kresent is suggesting your drive is wearing out; shot; just about dead....running backup discs has been known to wear optical drives out....