Android screen mirroring to laptop

1. Download Chrome extension AllCast Receiver for Chrome.
2. Download https://play.google.com/store/apps/details?id=com.koushikdutta.mirror
3. Make sure your computer and smartphone are on the same WiFi network.
4. Start AllCast Receiver through the Chrome App Launcher.
5. Start Mirror on your Android phone.
6. In Mirror, choose the Network Device that matches your PC. It will still start with “Chrome @” followed by an IP address.

Cf. https://www.quora.com/How-do-I-connect-wireless-display-on-an-Android-and-PC