Do you have a router? I had this problem when my router was malfunctioning.
6 yrs is a long time for a modem IMO... it might be dying...or it might be a loose connection outside your home.
__________________
All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
************************************
.
Weezie looking at petunias 8.25.2017
****************************
These forums are for mutual support and information sharing only. The forums are not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider. Always consult your doctor before trying anything you read here.