If it says that the adapter supports 802.11a and 802.11g, 802.11n, and 802.11ac network modes, it means that the computer has 2.4 GHz and 5GHz network capability. If it says that the network adapter supports 802.11g and 802.11n network modes, it means that the computer has 2.4 GHz network capability only. Looking for the Radio types supported section.On the Command prompt window, type netsh wlan show drivers and press the Enter key.Press the Windows logo key and R key at the same time.You could check it by following the steps below. One probable reason is that your network card does not have 5GHz bandwidth capability. You don’t need to try all of them, just work your way down till you find the one that works for you. If you bought a new dual-band router that has a 5GHz radio, or it’s your first time putting your router into 5GHz, but your computer does not see the 5GHz WiFi, these fixes may work for you. Accessible before, but doesn’t recognize now.Your computer only sees the one of 2.4GHz.Ĭhoose your situation and check the solutions: You may have encountered such weird things: You put in your modem with two bandwidths, 2.4GHz, and 5GHz.

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