Sua pergunta não está clara, a senha foi configurada e você esqueceu?
link declara o seguinte:
- Unplug and plug in Drive again.
- You will be prompted to type in password.
- Type five wrong password.
- After 5th time, you will be prompted with screen to check off and give your drive storage back in exchange of giving up data. * There is no way to get password back (no exception; not even from WD)*
Ou procure o guia do usuário aqui link