Ok so if you can ping local host at 127.0.0.1 your Nic is good
step 2 ping the router and see if it responds
at command line cmd type ipconfig /all
see the network ip below the 255.255.255.0
called the gateway and try to ping that if you cannot you have a bad cable if you can then you have a router issue
SOURCE: PC/Activity light
Check the pin connections. A damaged port can make all the difference. I had to realign with a screwdriver.
SOURCE: Cable modem connection problem
Hi, First of all that particular modem is an End of Life modem (meaning it is no longer recieving updated firmware). But that still does not neccesarily mean that its your modem what you need to do when your modem cuts out is to note the leds on the front of your modem. If the modem gets stuck on either the 2nd light from the top or the third light then it is definitely a cable problem. Contact your cable co and tell the tech what lights were stuck blinking while you could not get online and he will know what that means. If you need some more help let me know, because I can explain more. good luck
SOURCE: Arris cable modem
if the power light is flashing then the modem is on battery backup and internet is disabled. plug the power cord into the modem or find a working power outlet, you should be set after that.
Power light flashing=bad
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Access the management interface by going to the addresshttp://192.168.100.1
Click on the Configuration tab.
Click Reset All Defaults and confirm by clicking OK.
Click Restart Cable Modem and confirm by pressing OK.
The modem should restart in Factory Default condition. (This may take 5 - 30 minutes).
https://help.teksavvy.com/hc/en-us/artic...
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