Hi TeresaD1,
Thank you for reaching out to us in our community and welcome, I am sorry to hear your power cable has stopped working for your HUB, I have tried to check things our end so I could send either the cable or a complete replacement however I was unable to locate your account with the details he hold for you.
So I can help resolve this for you I will need further details so I am going to send you a invite into a private chat, please click on the purple envelope to accept?
Regards
Paul.