•If you are running Windows 8 or newer, you should also check that you do not have Airplane Mode enabled.
•If you are running any connection management software, such as a 3G or 4G dialer, these may be disabling your Wi-Fi adapter when you are connected to another network.
•Your adapter could be disabled by a BIOS setting if your computer detects Ethernet is in use while connected over WiFi. Looking for an option along the lines of 'Auto LAN/WAN' switching in the BIOS and disabling it might resolve that issue.
•Lastly, if Connectify can't detect your WiFi adapter, it might be because it's part of a network bridge. Removing the bridge will fix the issue.
If you do not have a Wi-Fi adapter, you will need to purchase one in order to create a Wi-Fi hotspot. Our current preferred device is the Rosewill RNX-N150UBE, available on Amazon. If you don't like that one, here are several other inexpensive USB WiFi dongles that we recommend using: