Hi, John Poole1
Thank you for posting in Microsoft Community. I understand that you want to purchase a replacement circuit board for my duo 2 .
The best thing we could do is to refer you to the support channel that is best to handle your concern which would be our live support. They would be able to give you further options and assistance on this matter. See steps below in reaching them:
- Go to Contact Us - Microsoft Support
- Choose how you would like to get support for your Surface device.
- Type in the problem you need help with.
- Look at any available solutions offered and select Contact Support.
I wish you all the best and hoping you'll get a resolution there.
Huon | Microsoft Community Support Specialist