Hi Tammy Kats,
Welcome to Microsoft Q&A!
What you’re describing is serious and I completely understand how disappointing it is to have both a failing Surface and difficulty reaching support.
A swollen battery is a hardware safety issue, you should stop charging, and using, the device immediately if possible. In some cases, Microsoft treats battery swelling as a hardware defect and provides repair, so here's how to do it:
1 - Start a service request
For official information, you can refer to: How to get service or repair for Surface - Microsoft Support. Note that if your device is out of warranty (very likely consider its line and current condition), there might be cost:
- Backup your data and remove any external accessories.
- Register your Surface to your account (if you haven't already)
- Access: https://account.microsoft.com/devices/select-device-for-repair
- Select your Surface > click Next > follow the on-screen instructions.
- When asked for the issue, choose battery/physical damage/similar
- You can explain the situation more clearly in the description box
In some places, Microsoft also offers in-person support. So if you're interested, you can check out the list of countries available here: Get service for your out of warranty or damaged Surface - Microsoft Support
2 - Chat support tips
- Visit Contact Us - Microsoft Support > Sign in
- Type in your problem > click Get Help to make request
- Scroll to the bottom and click Contact Support to connect to agent
- Select category again > click Next and you should be added to a chat queue.
- You don't need to pick the exact issue, similar can work
- If the process fails, just use another Surface issue to get to chat
- Let the agent know about the battery swelling so they can escalate it.
Note: The support contact team only works at certain times, so if the last window shows that it's unavailable, try opening it again the next day. If you prefer phone support, you can leave a phone number. This way, they can call you and help you.
I'm sorry for not being able to provide more direct help. Microsoft Q&A is just a user-to-user support forum, limited to providing guidance on technical issues. Unfortunately, battery swelling is not user‑fixable nor a software issue. I hope the tips and tricks above can help you get pass the hassle. Good luck!
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