Setup WiFi on the Dlink DSL-2640B

Thumbnail image of Setup Router Staff
Setup Router Staff
(Last Updated: ) | Reading Time: 5 minutes

The Dlink DSL-2640B router is considered a wireless router because it offers WiFi connectivity. WiFi, or simply wireless, allows you to connect various devices to your router, such as wireless printers, smart televisions, and WiFi enabled smartphones.

Other Dlink DSL-2640B Guides

This is the wifi guide for the Dlink DSL-2640B.We also have the following guides for the same router:

WiFi Terms

Before we get started there is a little bit of background info that you should be familiar with.

Wireless Name

Your wireless network needs to have a name to uniquely identify it from other wireless networks. If you are not sure what this means we have a guide explaining what a wireless name is that you can read for more information.

Wireless Password

An important part of securing your wireless network is choosing a strong password.

Wireless Channel

Picking a WiFi channel is not always a simple task. Be sure to read about WiFi channels before making the choice.


You should almost definitely pick WPA2 for your networks encryption. If you are unsure, be sure to read our WEP vs WPA guide first.

Login To The Dlink DSL-2640B

To get started configuring the Dlink DSL-2640B WiFi settings you need to login to your router. If you are already logged in you can skip this step.

To login to the Dlink DSL-2640B, follow our Dlink DSL-2640B Login Guide.

Find the WiFi Settings on the Dlink DSL-2640B

If you followed our login guide above then you should see this screen.

router setup
This is the setup page from your Dlink router.

You begin on the Home page of the Dlink DSL-2640B router. To configure the WiFi settings, choose the button in the left sidebar labeled Wireless, then Basic if available.

Change the WiFi Settings on the Dlink DSL-2640B

wifi wireless
This is the wifi setup page from your Dlink router.

On this new page, find the box labeled SSID. This is the name you create so that you can identify your network later. Be creative but avoid personal information because others can see this name also. To learn more about this topic, read our Wireless Names Guide.

At the bottom of the page click the green Apply button then click the blue Security option.

router wifi security wireless
This is the wifi security page from your Dlink router.

This takes you to a page like the one you see above.

First, select the SSID you just created from the Select SSID drop down box.

Then use the drop down box titled Network Authentication to choose the appropriate security for you network. We recommend using WPA2 PSK. This is the most secure form of security available for home networks. For more info, read our guide titled WEP vs. WPA.

A box should now appear asking for the PSK or Pre-Shared Key. This is the password you use to access your network. We recommend using at least 14-20 characters with some letters, numbers, and symbols in it. To learn more about this topic, read our guide titled Choosing a Strong Password.

Click the Apply button when you are finished.

If you want to change the Channel you broadcast your network on, click the tab at the top of the page labeled Advanced. Then, on the left, click the option of Wireless, then Security.

wifi wireless
This is the wifi setup page from your Dlink router.

Looking down this page find the box labeled Channel. Use the pull-down menu to choose the channel you would rather use. Be sure to use channel 1,6, or 11. These three channels are the most you can get out of the spectrum without overlap which causes a lot of interference. To learn more about non-overlapping channels, read our guide titled WiFi Channels.

That's it, just click the Apply button before you exit.

Possible Problems when Changing your WiFi Settings

After making these changes to your router you will almost definitely have to reconnect any previously connected devices. This is usually done at the device itself and not at your computer.

Other Dlink DSL-2640B Info

Don't forget about our other Dlink DSL-2640B info that you might be interested in.

This is the wifi guide for the Dlink DSL-2640B.We also have the following guides for the same router: