typing your laptop name brought more than 200 results typing your product number brought no result
it is easy to find the problem if you try these steps
open the hp support assistant on your pc if you dont have it download it from the following link
http://www8.hp.com/us/en/campaigns/hpsupportassistant/hpsupport.html
after installing or opening it click internet and security and under specifications check whether wireless lan is shown if shown the name of the adapter may be mentioned there if wireless lan is not mentioned it means the adapter is missing.
by doing these we can find the problem