Your adapter could be disabled by a BIOS setting if your computer detects Ethernet is in use while connected over WiFi.

If you are running Windows 8 or newer, you should also check that you do not have ' Airplane mode' enabled.Make sure the keyboard shortcut isn't disabling your adapter. Check to see if there is a keyboard shortcut such as Fn+F8 (the specific F# key for your computer usually shows a little Wi-Fi logo on it).Please make sure it’s in the ‘ON’ position. If you are using a laptop, please be aware that many laptops have a switch that can turn your wireless adapter ON/OFF. Sometimes this is a physical hardware switch that can be found on the side of your computer.If you have a USB Wi-Fi dongle please check that it is fully inserted into your computer.Is the Wi-Fi adapter connected and active? If you do not have a Wi-Fi adapter, you will need to purchase one in order to create a Wi-Fi hotspot. Please note that there are many USB adapters/dongles available on the market that you can use with Connectify Hotspot. If it's disabled, right-click on it and enable it from the popup menu. Look for your wireless adapter and make sure it is enabled.Open Connectify Hotspot and go to Tools > Network Connections.Here is a checklist you should go through: Do you have a Wi-Fi adapter installed on your computer? If you have a Wi-Fi adapter and Connectify is not detecting it, you may have it disabled. In order to create a Wi-Fi Hotspot, your computer needs a Wi-Fi adapter.

Connectify Hotspot does not detect a Wi-Fi Adapter

Mac not detecting usb wireless adapter