I just got a 7200.12 1TB drive. I noticed that it has no jumper. When I plugged it in, it installed drivers and stuff. It was detected in Device Manager too. But when I go to format it, it says that the drive hasn't been initialized. I don't know how to initialize the drive in Vista! Help!
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Check out Drive Management. Press Windows Key + R. Type in "diskmgmt.msc", press Enter.