plug it back into the computer and place in the password you just made.safely remove it from the computer, and unplug it from your computer.go to the wd smartware and go to the security and place a password on your my book.You can then proceed with a password reset. Agree to the terms, and then click Erase Drive. Upon the fifth failed attempt, you will be prompted to erase your drive. WD Security Enter an incorrect password five times in a row. How do I unlock my WD external hard drive if I forgot my password?