Computer Woe Update...Some Definite Progress

First, the reason there was no Wright's Writing Corner this week was that the computer was in the shop. Now that we have two computers, hopefully, that won't happen again.

Second:

Okay, an update: I have discovered that if I reset my modem, I can get online with whichever computer I try to get online with first...but not the second computer.

This is a big step forward. No software or hardware problems for the computer in other words.

What my friend gave me as a "router" is a Netgear Ethernet Hub. Is this meant to act like a router? Does anyone know? Do I need another piece of gear?  

The nice lady at Cox gave me the number for Netgear. I guess that is the next step.