I pod not recognised when used with usb cable

I have recentley bought a new computer, which has no firewire port ( which i had used to connect my ipod classic 40gbto my old computer without any issues. However I have purchased a usb connection cable to use with the new computer and neither windows or I tunes will recognise that i connect my ipod. I simply get a message saying usb device malfunctioned,windows does not recognise it. Although the ipod will still connect to my old computer with the firewirecable it will not connect with the usb either, any help would be greatly recieved as I have tried resetting and disk mode to no avail.

I have to say I have the same exact problem. It may sometimes be solved by putting the ipod into Disk mode before plugging it or by changing the ipod drive letter. In my case nothing have worked though, so if anyone has other ideas please tell me.

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