Ipod classic has a red x


I have an ipod classic that I want to get the music off of. The problem I'm having is that the ipod has a red x. I've read online that it means it's a harddrive issue and that I should format it on windows and then recover on iTunes. Seems easy enough except that my laptop won't detect my ipod. I've tried all the USB ports on my laptop but none can detect the ipod. I want to avoid sending it in to get fixed but I'm starting to think I might have to. Does anyone have any solutions?

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