how to fix a laptop adapter
is it possible to open these black-boxed objects in a way in which they would also come back together? (blackboxed for your own safety, of course, protect me from what i want to do with tools..)

it seems like there are some secret techniques:
https://www.youtube.com/watch?v=zWNMNgHtas4
https://www.youtube.com/watch?v=a00esZ3B-aQ *oooh*