ok so missing sync is for synchronizing files and whatnot to your q from your mac. connecting to the internet using your q you're gonna need different software. either pdanet or usbmodem. usbmodem is cheaper it's what i use.
http://www.mobile-stream.com/usbmodem_wm.html
p.s. there's a few threads on this already so save us all some time and look em up.