WiFi cannot connect to internet in two router setup

All we need is an easy explanation of the problem, so here it is.

I am struggling to setup my home network. I have the following setup, also shown in the diagram below (sorry for the MS Word screenshot!):

  • My landlord has an ADSL connection, established by Router 1, IP address
  • Router 1 runs a DHCP server.
  • I connected my own Router 2 to my landlord’s Router 1 via an ethernet cable running from one LAN port to another (not using any WAN port), and I turned off the DHCP server on Router 2. I manually assigned the IP address to Router 2.
  • My desktop PC connects to Router 2 via ethernet cable and gets an IP address automatically from the DHCP server on Router 1. This connection works perfectly and I can access the internet from my desktop PC without any issues whatsoever.
  • The WiFi from Router 1 is out of range in my room, so I want to connect my laptop to the Wifi on Router 2. I have my laptop set up to obtain an IP address and DNS address automatically. After I connect, the Laptop’s IP address is, the Default Gateway is and the DNS server is (all this from ipconfig /all).

The internet on my Laptop, connected via the Wifi, fails to work. Any attempt to access a webpage results in “DNS failed to respond” or “www.somesite.foo took too long to respond”. At times a page starts to load, but fails after about 5% and times out.

Attempts to connect to either of the routers’ management pages at or also sometimes succeeds but mostly just times out. When it “succeeds” it is incredibly slow. I can ping both servers, but I cannot ping the desktop PC connected to Router 2.

The laptop is right by the router and the signal strength is full.

I don’t need to connect to any of my landlord’s PCs – I just need to use his ADSL connection.

If there are any more details I can provide, please ask me in the comments and I will provide them as updates as soon as I can.


enter image description here


The setup is similiar to the one in this question


My landlord’s router (Router 1) is some FRITZ!Box model.

My router (Router 2) is a TP-LINK TL-MR3420


My laptop’s WiFi adapter is an Atheros AR9285.

I have established that my wife’s laptop can successfully connect to the router via WiFi (she usually connects via ethernet cable). Her laptop’s adapter is an Atheros AR5B93

How to solve :

I know you bored from this bug, So we are here to help you! Take a deep breath and look at the explanation of your problem. We have many solutions to this problem, But we recommend you to use the first method because it is tested & true method that will 100% work for you.

Method 1

This sounds more like a “the wifi connection sucks” issue than a “there’s no connection” issue, especially since you said you can sometimes get pages to start loading but it’s very slow.

Possible problems:

  1. Just a hard incompatibility between your laptop’s wifi adapter and Router 2’s wifi settings or chipset. This can either be something physical that’s impossible to resolve without hardware hacking, or it can be something you can fix by tweaking software, most likely config settings in the router’s firmware… but without knowing either the router or the adapter’s make/model it’s hard to be more specific.

  2. Too much wireless traffic in your area. Is this an apartment? Apartments are notorious for having too much wifi crosstalk, so even devices sitting right next to eachother can’t communicate. Have you ever tried to have a conversation with someone during a heavy metal concert? Changing the wireless channel of your router can sometimes help if you have a nearby access point(s) communicating on the same channel as yours.

  3. Cordless phone, bluetooth, or microwave oven interference. More likely to exist if you’re on the noiser 2.4 GHz band rather than the relatively less-used 5 GHz band, but still, it’s a possibility.

  4. Polarization. Wireless signals are “polarized” in the same way sunglasses are, to block light waves in a certain direction.

An intuitive understanding of polarization: take a long piece of Lasagna pasta. It’s a wavy piece of material. Now put the pasta into a cast iron mold and let the mold set to a solid. Remove the pasta. Now you have a mold which is shaped like the pasta, but it’s a hole where the pasta could go. Now, line up the pasta with the mold and insert it right in. It should go in although you may get resistance due to the wavy nature of it (ignore that part, bad example ;)). Now, rotate the mold by 90 degrees. Now you can’t insert the pasta in at all, it just bumps up against the frame of the mold! Because the dimensions don’t match up. You’re trying to put the width in along the original height axis and vice versa.

To test for polarization, just rotate your laptop slowly in place while measuring performance (ping command, etc). If it suddenly picks up, congrats you have polarization.

  1. For the ultra-long answer, see Tom’s Hardware

Method 2

I don’t think the router should be resolving DNS requests. Point your DNS to (Google’s DNS servers), either in your router’s DNS settings or your laptop’s.

Try it in your laptop real quick first. I assume you know where but if not…

Open up network connections, right click your wireless adapter, scroll down to IPV4 protocol, right click and select properties.
enter image description here

Note: Use and implement method 1 because this method fully tested our system.
Thank you 🙂

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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