Send an email to wXXXXXXXXXXXXXXXX@wii.com where all the X's replace with your Wii number so you would have sometthing like: w1234567890123456@wii.com be sure to add your email address to your Wii contacts first
Mine doesn't constantly flash, mine just stays alight. I set mine to bright, and it's light points right to my bed, so don't wake me up, please xP
ye send an email to ur wii but it has to be on standby and once u go on the wii the light turns off enyway
Or the simple way: go under Wii Settings and find 'LED Light Settings' and change it to what you wish