I’m working with SimpleTech SimpleDrive Turbo 640GB USB 2.0 External Hard Drive and an ASUS K72 Series laptop with Windows 7 OS. I’ve used this hard drive on this computer before and it worked perfectly. Now, hooking it up a few months later, it won’t appear in My Computer OR Disk Management. It doesn’t show up period. I’ve checked the cables and everything is plugged in properly. When I plug it into my computer, the light turns on as it should and it goes warm and makes whirring noises as if it’s turning on, yet it still doesn’t appear ANYWHERE on my computer. My warranty is expired, and being a starving college student, I’m not exactly eager to be shopping for a new external hard drive. Okay, you geniuses out there, what do you have to say? What expertise do you have to share? Please help!