Hi. I have Seagate FreeAgent Go 250 GB USB Harddrive. I don't know why but I cannot access my drive. When i plug usb cable, nothing appears on desktop. Only Disk utility can see Drive. but it seems in grey font. when i click mount, it gives error that says repair disk. But when i start repair disk, nothing is happening. Progress bar is not moving. Just preparing bar like this http://images.appleinsider.com/mba-series-2-080209-17.png I am sorry about weak english but i have to access my drive and i dont know what to do. i need advise for this problem. I hope somebody can help me.