The little divot on the side edge below the power button houses this stealthy, modular fingerprint sensor—easily accessed at this stage of disassembly, and not so easily accessed in any other sense of the phrase.

Next we twist away tons of teeny Torx screws securing the spine and hinges—thankfully not quite so intense as the original Surface Pro's ninety screws, but it's still a workout.

After a final de-boning, the two big wings are free to fly away from the central spine.