I have a Seagate 3TB external hd partitioned to 2tb and 1tb. The hd is usb connected to a boxee box and is used as a network d

[timandjennifer]

hard drive error, needs to be formatted, one partition working, one not

 

[Phillip Corcoran]

The problem may be more serious than just needing to be formatted. Test it with SeaTools for Windows:
http://www.seagate.com/gb/en/support/downloads/item/seatools-win-master/