My computer doesn't see my external hard drive

Hello. I have a Power Mac G4, X10.4.6 and for a long time I've used it successfully with my hard drice - and Icecube 800 hard drive connected through a firewire cable. Now i just formated the intern hard disks and now the computer doesn't see the hard drive. The Icecube 800 doesn't require installation of any drivers and it still works perfectly on other computers. And there's nothing wrong with the ports because I can still connect my iPod. What do i do? Thank you, Sebastian.

It does. It may not call it "resetting the port", but this method is what resets the port:
"Tip: FireWire ports are keyed, which means the FireWire cable can only be inserted one way. Check that you are inserting the FireWire cable into the FireWire port in the correct orientation.
If the issue persists, try these steps:
1. Shut down the computer.
2. Disconnect all FireWire devices and all other cables, except the keyboard and mouse cable(s).
3. Disconnect the computer from the power outlet and wait for 3 to 5 minutes.
4. Plug the computer back in and turn it on.
5. Reconnect the FireWire device(s) (one at a time if there is more than one) and test. Test with each FireWire port if you have more than one."
If it isn't resetting the port properly, I think your port, cable, or controller is damaged.

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