So your hooked up from your cable company to the modem and from the modems ethernet connection to your computer. If all this is good , and it doesn't work, I know in the past I had to call my cable company and give them the mac number off of my modem in order for everything work properly. The modem Mac Address is usually posted on the bottom of the unit. Hopefully this will help out, Good Luck
Check your lan cable is correct crimping also try to other ethernet cable.
Reset your router settings.
You can reset router with reset button .
It is in back side of router press it for 15 seconds.
Aslo check your lan card with which yhou connect ethernet cable from router it should we working fine.
Also try to uninstall ethernet driver then reinstall.
Check in another computer lan port.
Thanks for using fixya.
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It should work with either cable. The LED will only come on when a connection is made to the computer or router. Is the LAN adaptor working correctly at the other end.
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