How to solve dns problems on my cable modem

i have a cable modem and a linksys router, and i am connected to the router with an ethernet
cable. my pc have an ip address, the router is working but i cannot go to the internet. tried to repair and get a massage about dns issues and that i should contact my isp to resolve,
how can i fix my dns issues myself
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More about solve problems cable modem
  1. Best answer
    when you connect your computer to the modem, can you connect to the internet?

    what model modem is it?
  2. motarolla 702
  3. Best answer selected by dant_45.
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