Hello AndrewHMin,
Thanks for reaching Microsoft Community. We're sorry to hear that you've having some problems getting your keyboard serviced.
In this case, kindly contact our support via Contact Us Microsoft Support from (6AM-10PM PST) to seek exchange options for your keyboard and for further assistance. You can also contact them via phone, see Global Support Phone Numbers.
Otherwise, you can also schedule an appointment with our PC Accessories support team. Here's how:
- Please go to help.microsoft.com/en-us
- Under Microsoft Support, please click "Contact a Microsoft Support agent".
- Are you able to sign in to your Microsoft account? Select "Yes".
- Click "sign in" then sign in to your Microsoft Account.
- After that, you will be asked to Select your product. Click drop down and select "Microsoft Accessories" then click "Next".
- Select "Call me back" then enter your phone number.
I hope this helps.
Best wishes,
StevenK