Chosen Solution
Hi there, my T key on my Macbook Pro has fallen off. The key looks 100% in tact: the two top clips don’t seem damaged, and the two bottom hooks don’t seem damaged. However when I try and put it back into place, I can’t get it to “click” in. Has the butterfly mechanism broken? It’d be great if I can try fix this myself as it’s currently lockdown in the UK so can’t get to an Apple store - I also fear it’s an expensive fix otherwise.
I had the same problem with my T key also - the top wouldn’t “click” in. Searched online for ages and couldn’t find an answer. I then took off a different key cap and attached it in the place of the T and it fitted perfectly. So this narrowed it down to the key itself and not the mechanism. As a last ditch attempt I squeezed the tiny “C” shaped clips at the top of the T key between my fingernails (these are different to the hooks at the bottom). I didn’t think it did anything, but to my surprise there was resistance when I went to put it back on, and it now works! TL;DR: Try to squeeze the tiny clips together at the top of the key between your fingernails (or gently with some needle nose pliers maybe). The goal is to make them slightly tighter. They must slightly distort with use. It doesn’t take much, so don’t overdo it!
Turn the key over and see if it has a little plastic “scissor” attached. If it does, and it’s not broken, lift the scissor carefully off of the key and reattach it to the keyboard by hooking it under the tab on the right-hand side, and then fastening the two little plastic hooks into the catches on the left side.
