Hi ZJ2748,
This might be a permission problem accessing the drive.
Which OS are you using?
Please try in a different Admin account or in the hidden admin account.
> Enable the hidden Admin Account on Windows 7 ( Ref : http://www.howtogeek.com/howto/windows-vista/enable-the-hidden-administrator-account-on-wi ndows-vista/ )
Regards,
Rave