My Buffalo Ministation 500gb has worked fine for 6 months but now it keeps on disconnecting itself. It reconnects immediately again but it means I cannot burn CDs or DVDs from it which is really annoying. Does anyone know what the problem might be? Thanks in advance.

Computers & Internet - Buffalo Technology - MiniStation - 320GB MINISTATION TURBO USB 2.0 5400 RPM PORTABLE HDD Hard...