I guess I should start by saying I assume this is the right forum to post this in, although this isn't really a basic problem.
I'm currently trying to replace the fan/heatsink assembly in my old 12" PB. I've taken it apart to replace stuff before, so I'm not exactly new to disassembling it.
The issue i'm having is with this screw:
the screw actually threads on top of another screw located beneath the heatsink and attached to the board.
When i go to unscrew the one on the right, it just spins freely. Looking under the heatsink, I can see the bottom screw just spinning when I go to unscrew the top one.
Apple will probably charge me an arm and a leg to work on it and I've tried everything I can think of to get this screw out (including fabricating my own mini wrench thing to hold the bottom screw) I though maybe someone here could offer some advice.
I'm currently trying to replace the fan/heatsink assembly in my old 12" PB. I've taken it apart to replace stuff before, so I'm not exactly new to disassembling it.
The issue i'm having is with this screw:

the screw actually threads on top of another screw located beneath the heatsink and attached to the board.

When i go to unscrew the one on the right, it just spins freely. Looking under the heatsink, I can see the bottom screw just spinning when I go to unscrew the top one.
Apple will probably charge me an arm and a leg to work on it and I've tried everything I can think of to get this screw out (including fabricating my own mini wrench thing to hold the bottom screw) I though maybe someone here could offer some advice.