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I can't connect to the 5GHz Wi-Fi on my laptop.

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5ghz -  
Hello,

I cannot connect to the 5GHz wifi network on my HP laptop, I have checked that my network card supports b/g/n

here is the name of the network card: Realtek RTL8723DE 802.11b/g/n PCIe Adapter

Thank you in advance for any help

4 answers

  3.  fabul Moderator
    Yes, I'm afraid that Bendrop (whom I greet) is right, this chipset isn't new.

    A current chipset that works well is the RTL8812BU, available on some USB WiFi dongles.
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    1. bendrop Contributor
      Hi fabulous. ;)
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  4. boxplussfr
    Thank you very much for taking the time to respond to me.
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