Hello,
This is not recommended. Do not attempt to take apart, open, service, or modify the product, accessories, or power supply. Doing so could present the risk of electric shock or other hazard. Any evidence of any attempt to open and/or modify this device, including any peeling, puncturing, or removal of any of the labels, will void the Limited Warranty. You can read more in our Safety and regulatory information article.
Any accessories or hardware that is not working, please contact us for service options: How to get service for Surface.
Regards.