To answer your first question about the Wifi card. Which is a different issue altogether. It had an Intel Wireless card. I swapped it out with a Broadcom one, not sure what model though, came from a about 5 year old junk HP. But I have had no luck getting it to work.
Back to the update.
I will download the combo update and the kext, try that and post my findings.
Bronxteck-
I am not sure what you mean just run updates if running EDP?