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I am not certain how to solve this problem. Additionally, 5 Ghz networks used to show up on this laptop prior to a fresh install of Windows which I did about a week ago. It is not a problem with my 5 Ghz network, because I'm able to connect to it just fine on other devices. Problem: My laptop's network adapter (Realtek RTL8723DE) supports both 2.4 Ghz and 5 Ghz wifi bands, but only 2.4 Ghz networks show up in available networks. Laptop's network adapter: Realtek RTL8723DE 802.11b/g/n PCIe Adapter Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.
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Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions.
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