Reference

#### Your tablet device cannot connect to a Wi-Fi network.

Make sure the Wi-Fi function is turned on.

- Tap [ Apps & Widgets] - [ Settings] - [Wi-Fi] in that order, and then set [Wi-Fi] to [ON].

Make sure there is not anything blocking the signal between devices and that the devices are not too far away from each other [Details].

Check the Wi-Fi connection by using the Wi-Fi checker app [Details].

You may be able to make a connection by changing the channel settings of your access point.

Make sure the [Network SSID] and the [Security] of your access point are set correctly.