You cannot use Windows inbuild ad-hoc network to share your laptop/desktop internet connection with your android mobile through WiFi. Android will not detect your WiFi network although there are methods to do so. There are some special soft wares which makes this task a breeze like Connectify, Virtual Router etc. Virtual Router is free and open-source program that can wirelessly share any internet connection (WiFi, LAN, Cable Modem, Dial-up, Cellular, etc.) with any WiFi device (Laptop, Smart Phone, iPod Touch, iPhone, Android Phone, Zune, Net-book, wireless printer, etc.) secured using WPA2. Go to Network and Sharing Center Change Adapter Settings Right click on the connection you want to share Select Sharing tab Check the "Allow other network users to connect through this computer's internet connection" Also, select your Home networking connection Start Virtual Router and enter desired Network Name and Password Choose the connection you just shared from