Hi TudorMP,
Thank you for reaching Microsoft Community.
We are aware of the hairline crack in your Surface Book and that you want to get it repaired. As much as I'd love to help you with this, any repair process is beyond of our support boundaries here in the community. We don't have enough tools to proceed and provide the best options for you. We recommend reaching out our live support team for further assistance with your concern and to check available options for your device. You may reach them by following the instructions below.
- 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.
Kind regards,
Lavenia