ENVY of HP dv7-7250us Notebook PC: HP Envy dv7 Notebook PC contains a 5 GHz adapter?

On March 23, 2015 I finally switched from DSL to Time Warner Cable and the technician who came with us to install it settle on 5 GHz and it worked very well.  However, our iPhones and iPad would not connect at 5 GHz, so in went into their chat room and of the technician TWC changed something on my laptop, then the two seems to work fine so far here.  Then the next day I couldn't connect the my other devices to 5 GHz and everything worked fine again.  Starting yesterday afternoon, only the 2.4 GHz shows on my PC screen and automatically connected to it, but the 5 GHZ does not at all appear.  I spent an hour on the phone with a TWC technician who check the router several times trying it to make it work on my PC but it still does not even show up.  Our other devices are always connected to the range of 5 GHz so the technician specific TWC that my HP laptop does not have a 5 GHz adapter.  That is my question.  Is my laptop has a 5 GHz network card?

Thank you

Hello

No, your laptop does not support the 5 GHz, it has only:

802.11b/g/n WLAN Bluetooth with WiDi

Tags: Notebooks

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