mechanism

Dear friends, i have a question about interior design of trackpad/touchpad of m1 pro 2021 As you can see in the link (video) below, the trackpad consists of multiple layers. There is glass surface on top, under the glass touch surface there is a black layer which contains , pressure receptors...

I'm having a problem with the processor board release mechanism on my 4,1 Mac Pro. You are meant to press in the tabs on either side to push out the board connected at the back. However these tabs now do nothing. You can freely slide them in and out without any resistance. To remove the board I...