MacBook Air won't recognize iOmega External Hard Drive

I just bought my macbook air and I wanted to transfer my data over from my old MacBook. The MacBook died so I was using my backup. The problem is that the Air won't recognize the ext hard drive. I connected the ext hard drive to my AirPort Extreme for the migration assistant but I keep getting a connection failed message. I tried plugging in the drive to the air directly using USB but it won't recognize it at all. The drive won't mount. The drive begins spinning and the light is on so the drive does work. It always worked with my old MacBook. I did alway connect it with FireWire so could that cause a problem since I have to connect it with USB to the Air?

I had a similar issue with mine but it was because I tried to connect to an external drive that was already connected to my iMac via FW800. When I disconnected the FW cable and plugged in the USB, everything worked perfectly.

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MacBook Air won't recognize iOmega External Hard Drive

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