wifi problem

I have installed Mac OS Sierra 10.12.12 on my HP Envy Notebook. Product Number is P6M96PA#UUF. The problem is after installing, I am not getting any wifi connection. what Can I do? Please help.

Need help to complete installation. This is my third hackintosh and I am still newbie. So what we have: 1) Success installation of El Capitan. ( I tried Sierra, failed, let's complete El Capitan first) 2) Wifi card changed by BCM4352 (14E443B1), bluetooth works well. 3) Lan is OK 4) Nvidia...