I am having a very strange problem that i hope someone here can help me with! My Seagate Freeagent GoFlex 1 TB external HD will only work if it is the only drive plugged in to the USB ports! AS soon as I plug another portable HD, iphone or even a USB thumb drive, the 1 TB drive disappears. It does not show in device manager, drive management, ASRock USB 3.0 software, nowhere unless it is the only drive plugged in! I recently built a new desktop ASRock 760GM-GS3 mobo, 8 GB Ram, 2 TB HD and i have installed Windows 7 home premium 64 bit! The problem only appears on this machine. Everything works fine on my laptop which runs the same OS! Please help!!! Thanks
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