Asus X53E network controller issue/no wireless

[Kelly3963]

Hello, I'm new here. I'm trying to fix my sons Asus laptop. it won't connect wirelessly but will connect via ethernet cable. device manager has exclamation point beside network controller. I cannot download drivers for it. can you help?

 

[Tmagic650]

"I cannot download drivers for it"... Why? Can you get the driver from here:
http://support.asus.com/download.aspx?SLanguage=en&p=3&s=114&m=X53E&os=&hashedid=mDFYFQWEpTitMwA6
If the driver won't install, the Wifi card may be bad... Something that doesn't happen very often