I understand the importance of connecting your card reader, jantj. 

If the issue persists even after following the steps provided by my colleagues, I recommend contacting our Customer Support to provide other possible solutions to your concern so they can double check your card reader and give a replacement.

Here's how to reach them:

1. Go to Help and select Contact Us.
2. Enter your concern and click Let's talk.
3. Choose Start a chat with support expert.

Moreover, you can visit this article for more insights about card QuickBooks reader issues: Fix issues with the GoPayment and QuickBooks mobile app card reader.

Please don't hesitate to comment below if you need further assistance with managing the QuickBooks card reader. I'll be here to back you up.

You people really need to get out in the real world sometime.  This canned answer has never worked. And people who actually rely on reading cards for their pay checks are the reason QuickBooks is discontinuing this payment method.

What we need is (a) somebody in QuickBooks to refund the $50 we paid for this thing that never did work, and (b) stop sending out this bogus "help" when the issue is a hardware incompatibility with the older iPads.