Unable to connect with the DNS server

Recently, I went away for the weekend and came back to find that I had no internet, on all devices... So I don't know exactly how long he was out. I'm a computer and a network engineering student and I've tried everything I can think of to make it work again. Here's what I did:

First off troubleshooting generates an error message: "failed to connect to the DNS server.

Of course, I did reboot of the habit of my router and my devices.

I can't connect to WiFi or direct connection via Ethernet. I tried flushing DNS via the command-line ("ipconfig/flushdns") as well as the command "netsh int ip reset", "ipconfig/release" and "ipconfig / renew." I tried to go into the settings of the network adapter and the two affecting the IPv4 and IPv6 DNS google DNS settings. I even traded my router for a new with my ISP (of Roger (Canada)). I have connected to my router through my web browser and tried to change some of the DNS settings there (everything went well). Nothing worked so I have everything set to default. I tried ping around my own network, I ping my own card NETWORK, but also the entry door, so I know that's not my PC, I have also excluded because all my devices do not work. I spoke with Rogers (my ISP) twice now and they were no help at all, they were more concerned by the flashing lights on the router as the real problem. I'll have a technician to the course to watch tomorrow, but I doubt they'll be any help at all. I wouldn't say I'm a computer genius, but I have a pretty good understanding of how things work and I can not understand what the problem is here, I can have forgotten something or forgot to mention something I tried. But if anyone has any ideas, or similar cases they decided that I would be VERY grateful for the help.

Hello

Thanks for posting the query on the Microsoft Community Forums. You have reached the right place. Let us work together to find the cause of this problem and try to solve.

There could be various reasons for which you will not be able to connect to the Internet. And I'm glad to know you have try more troubleshooting steps to solve problems.

1. which antivirus program is installed on your computer?
2. don't you make changes to the computer before the show?

I suggest you try the steps from the following link and see if that helps.

Why can't I connect to the Internet?
http://Windows.Microsoft.com/en-us/Windows/cant-connect-Internet#1TC=Windows-8

Wireless and wired network problems
http://Windows.Microsoft.com/en-us/Windows/network-connection-problem-help#network-problems=Windows-81&V1H=win81tab1&V2H=win7tab1&V3H=winvistatab1&v4h=winxptab1

Let us know the update after trying the steps above.

Tags: Windows

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