Where is reset button

[antinode]

> Model: C3700|N600 Cable Gateway Docsis 3.0

   C3700 or C3700v2?  Look for "Model" on the product label.

> Where is reset button

   Where the picture in a widely neglected resource shows it?:

      https://en.wikipedia.org/wiki/RTFM

   Visit http://netgear.com/support , put in your (actual) model number,
and look for Documentation.  Get the User Manual.  Read.  Look for
"Factory Default Settings" (or "reset").