This guide shows you exactly how to login to the Dlink DSL-3900 router.
Other Dlink DSL-3900 Guides
This is the login guide for the Dlink DSL-3900 AU_1.00. We also have the following guides for the same router:
Find Your Dlink DSL-3900 Router IP Address
Before you can log in to your Dlink DSL-3900 router, you need to figure out it's internal IP address.
| Known DSL-3900 IP Addresses |
|---|
| 192.168.1.1 |
| http://dlinkrouter.local./ |
Start with the first IP address in the list and then follow the rest of this guide.
If you do not find your router's interface later in this guide, then try a different IP address. Keep trying different IP addresses until you find your router. I will not hurt anything to try different IP addresses.
If, after trying all of the above IP addresses, you still cannot find your router, then try the following:
- Use our Find Your Router's Internal IP Address guide.
- Download and install our free Router Detector software.
The next step is to try logging in to your router.
Login to the Dlink DSL-3900 Router
Your Dlink DSL-3900 is managed through a web-based interface. The way you manage it is by using a web browser like Firefox, Edge, or Chrome.
Enter Dlink DSL-3900 Internal IP Address
Find the address bar in your web browser and type in the internal IP address of your Dlink DSL-3900 router. Your address bar should look something like this:
Press the Enter key on your keyboard. You should see a window asking for your Dlink DSL-3900 password.
Dlink DSL-3900 Default Username and Password
In order to login to your Dlink DSL-3900 you are going to need to know your username and password. Just in case the router's username and password have never been changed, you may want to try the factory defaults. All of the default usernames and passwords for the Dlink DSL-3900 are listed below.
| Dlink DSL-3900 Default Usernames and Passwords | |
|---|---|
| Username | Password |
| admin | printed on router |
Enter your username and password in the window that pops up. Keep trying them all until you get logged in.
Dlink DSL-3900 Home Screen
Once you are logged in you will see the Dlink DSL-3900 home screen, like this:
If you see this screen, then you know that you are logged in to your Dlink DSL-3900 router. You are ready to follow any of our other guides for this router.
Solutions To Dlink DSL-3900 Login Problems
Here are some ideas to help if you are having problems getting logged in to your router.
Dlink DSL-3900 Password Doesn't Work
It's possible that your router's factory default password is different than what we have listed. You should try other Dlink passwords. Here is our list of all Dlink Passwords.
Forgot Password to Dlink DSL-3900 Router
If your ISP provided your router, then you may have to call them to get your login information. They will most likely have it on file.
How to Reset the Dlink DSL-3900 Router To Default Settings
The last option when you are unable to get logged in to your router is to reset it to the factory defaults. For help resetting your router, follow our How To Reset your Router guide.
Other Dlink DSL-3900 Guides
Here are some of our other Dlink DSL-3900 info that you might be interested in.
This is the login guide for the Dlink DSL-3900 AU_1.00. We also have the following guides for the same router: