How to check my AC1900 wifi Cable modum router model C7000v2 configuration

> How do I check my Netgear AC1900v2 WIFI modum router Model C7000

   "check" it for what?

   Is any of that an actual model number?  Look for "Model" on the
product label.

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

   A C7000[v2] is a modem+router, not a simple modem.

   You might try this radical concept:

      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 (at least).  Read.
Look for the LED descriptions and "Troubleshoot".  Further reading might
not hurt, either.

> Model: A7000|Nighthawk AC1900 WiFi USB Adapter - USB 3.0

   Nothing to do with anything?