The first generations of the Surface Laptops were good laptops, but they had some drawbacks. One of them was that it was nearly impossible to repair these devices, as Microsoft used to glue the chassis shut. With the new Surface Laptop 3, Microsoft will now improve the repairability of its laptops to make them more attractive for enterprise customers.
https://www.notebookcheck.net/Microsoft-makes-the-new-Surface-Laptop-3-repairable-for-its-enterprise-customers.436854.0.html