Nvidia fix works for me (MacBook Air, 320M). Many thanks.

I guess the synaptics driver may not be loading, and the trackpad is merely functioning as a mouse. If the synaptics driver is loaded, then right click and two-finger scroll can be activated from...

Have you edited GRUB before booting? Most macs need nomodeset e.g. GRUB_CMDLINE_LINUX_DEFAULT="text nomodeset reboot=pci"

What a wonderful release. Of course, Apple do try to take the shine off it. I offer some tips which may prevent you wasting the entire weekend re-installing (as I did).

Installation

Partition...