Hi JMiller,
I can imagine the inconvenience you have experienced. I will definitely try and help you in fixing the issue.
To help you suggest steps to resolve the issue, I would appreciate if you could answer the following questions:
1. What happens when you try using the card reader? Do you get any error message?
2. Are you able to use other USB devices without any issues?
You may run the FIXIT and check if it helps.
You may also update the drivers and check if it helps.
Hope this helps and do let us know if you need further assistance. We will be glad to help.