Netgear model 2700 range extender

[PStav]

Extender is set up, all lights green, tablet can see new network.  New network asks for password.  As instructed, used regular network password.  Not accepted.  Cannot connect.

[plemans]

Did you set it up using the push button WPS option? 

If so, factory reset the extender  and set it up using the installation assistant.

To factory reset, push and hold the reset button for 7-15 seconds while powered on. 

Here's a video of how to use the assistant. 

https://www.youtube.com/watch?v=yJVklshxBMk