Chosen Solution
I had a few stuck keys that I removed carefully to clean last week. All of the keys work fine now except my “W” key. The hinge itself will not stay clicked into the keyboard at all. Every time that I put the hinge down, I put the keycap back on and the whole key falls off with the hinge stuck to it after pressing on it a couple of times. The hinge itself doesn’t seem to be broken or anything. I hope this is an easy fix if anyone can tell me what’s wrong. Edit: I never took the clip/hinge off originally, it started coming off with the key today
You’ll need to get a replacement scissor assembly as the clips are likely damaged. Here’s a good source for the needed parts Retina MacBook Pro 2012-2015 Keycap parts
