As of 2016, this is a follow up to this thread:
I chose to start fresh on a different install since and that is why I'm starting fresh in a new thread. Had Mountain Lion...
[SOLVED] Lost trackpad and keyboard after installing PS/2 Keyboard/Mice
My laptop trackpad used to work fine, but now it doesn't work at all. I had this problem on my first install, trackpad wasn't working out of the box, so I just installed PS/2 Keyboard/Mice from the latest Multibeast...