no & no
your dead without using usb
you can't replace the internal card with another because hp locked that in the bios
there's a bios hack........in order to let you install another minipcie card
best solution for hp laptops is usb based adapters...
express card is NOT supported for now




BCM4328. I've pretty much done everything the OP did through Google and found the same stuff about having to use ndiswrapper. Then I had a thought. I can purchase the Atheros card on ebay for about $50. (ebay search "macbook atheros" [check "search title & descriptions"])