How can I sync my ipod to a new account?

My ipod is signed into an older account of my moms. All 5 of the computers that had been signed into her account have died, so I made a new

account of my own. The problem is, my ipod will not sync over to my itunes without a password from my mothers account, and when

I type her old password in, it says that all 5 computers have been authorized. It is impossible for me to deauthorize any computers, seeing as

how they're all broken. Is there any way around this????

Thanks!