I'm sorry to hear that your card reader is not working correctly. For this situation, I suggest contacting us to provide additional details. To contact our Customer Support, please click on 'Contact' at the bottom of any PayPal website page to view available options. You can also reach out by sending us a private message on Facebook or a direct message on Twitter.
I hope this helps!
If you have found any post within the Community to be helpful, please leave a Kudos or Accept it as a Solution.