Hey, i've been using the external hard disk drive from seagate for over a year now, and then suddenly my PC crashes and after that did the computer not function normaly with the drive, it wont show up in my computer any more but is found in device manager, then i got told to go to Disk Manager, but i dont see the drive there, are there any way to fix this? or would Formatting the PC help? please i got a loads of song, pic, and movies on that drive 
