Chosen Solution
My daughter closed the MacBook without realising there was a small bead that had fallen into the hinge (where the yellow circle is in the image) and now the screen doesn’t work.
As the damage is not to the LCD panel itself, is it possible to open up the display assembly and replace whatever component is in that part of the hinge that must have got broken by the bead?
Nope. Everything is likely soldered together. Even if you manage to peel off the screen, you’ll find no part is replaceable. Replacing just the TCON board is possible with soldering, however if flat cables going into the LCD is damaged, the whole LCD is toast. Not to mention I have never seen anyone successfully pulling off the screen, non-retina, yes, touch bar, yes, but never the old-retina models.
