I bought this external hardrive about two years ago. It had been working great so I loaded all my family pictures. As I needed to change a new desk, I unplugged My Book but next day I found it stopped working propertly. It spins at beginning and then the green light just keeps on blinking. I can't find the hardrive in my computer. It can't start up and give me the following message: " The specified I/O operation on \device harddisk\DR3 was not completed before the time-out period expired." What had happened? Is my data still safe there? What should I do? Please help!!