Internet connection no longer works with WRT54G Router V3

I had a router WRT54G V3 works successfully for a few years now, with a couple of PC wireless via a cable modem Comcast as my ISP.  All of a sudden yesterday, no PC can access the internet.  No changes had been made to the router.

I contacted Comcast and they had me of course wire hard one from my PC to the cable modem.  It worked and I was able to access the internet.  However, when I tried to put the router in place (in a wired or wireless), I couldn't access the internet.

I tried after the Linksys online troubleshooting documentation.  The lights that lights turn on on the router are on.  I can access the router setup web page that displays the settings still intact.  I tried to go through the sequencing of power without result.  Comcast says my router is the culprit of my problem, but I don't know why it would suddenly stop working.  My wireless printer still works as well as it detects a signal and my PC shows that it is connected, but no internet access is possible.

What should I do?  Are there other available diagnostic tools?  Cat people won't help because I am out of warranty.

First update the firmware for routers to the last level.  Once hard reset the router and reconfigure from scratch.  Now, try to connect again.

Tags: Linksys Routers

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