If your Surface device finds available wireless network but won't connect, you can try the solutions outlined in this post to effectively fix the issue.

Connecting your iPhone or iPod Touch to a Wi-Fi network not only gives you a faster Internet connection, but it can also help eliminate any data overages from your wireless carrier. This four-step ...

This is the easiest way to use your personal hotspot, as it turns your iPhone into a router. Doing so allows you to connect your tablet or laptop to it as you would to any other WiFi network.

You must have Wi-Fi in your home or office, so the Android can connect to the wireless network. The Android app connects to the shared folder.