Windows is Not Configured to Connect to the Right Type of Network
If Windows does not detect a network that you think is in range of your computer, it could be because Windows is not configured to connect to the right type of network.
Check the information that came with the router or access point to find out what connection mode the device is set to. The mode should be either ad hoc (when devices communicate directly without going through a router or access point) or infrastructure (when devices communicate by going through a router or access point). Make sure the setting in Windows for this network matches the setting on the device. To check this, follow these steps: