The orange "i" means that the Ethernet cable connection to the modem has been detected.
The light should be blinking green for Internet connectivity.
I advise you to reset the router:
To restore the factory default configuration settings:
1. Use a sharp object such as a pen or a paper clip to press and hold the restore factory settings button, located on the rear panel of the router, for about 5 seconds, until the Power light begins to blink .
2. Release the restore factory settings button, and wait for the router to restart, and for the Power light to stop blinking and become solid green.
The factory default settings will be restored so that you can access the router from your Web browser using the factory defaults. If resetting the router does not correct the issue, you should call your ISP (Internet Provider) and check if they are having a problem.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response Thanks, Joe I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
I understand that you are facing trouble with the setup of the router WNDR3400 with your cable modem. I would suggest you to follow the below steps to reset and reconfigure the router:
RESET:
With the help of a paper clip, press the reset button on the back of the router for 20 seconds (please refer to the label on the bottom of the router for reset button location). Release the reset button after 20 seconds and turn off the router. Turn the router on after few seconds.
CONNECTIONS:
1. Connect an Ethernet cable from the modem to the WAN port of the router (isolated port).
2. Connect the computer to the router using any one of the 4 available ports. Please make sure that there is no direct connection between the modem and the computer (either using Ethernet cable or USB cable).
3. Power off the modem and the router after making the connections.
4. Power on the modem and wait for the lights to come on and then power on the router.
RECONFIGURE:
1. Open a web browser like Internet Explorer, Mozilla Firefox or Safari.
2. Access the router's GUI by typing http://192.168.1.1 or http://www.routerlogin.com.
3. When prompted for Username and Password, please enter 'admin' for the Username and 'password' for Password.
4. Click on 'Basic settings' from the left menu and select 'Use Computers MAC Address' from 'router MAC Address' section.
5. Click Apply.
6. Once it updates the settings then power off the modem and the router. Power on the modem and wait for the lights, then power on the router.
I hope this information allows you to resolve this issue.
Regards
Anand
Here is how to fix that corrupted DNS cache in vista.
1. Click the Microsoft Vista Start logo in the bottom left corner of the screen
2. Click All Programs
3. Click Accessories
4. RIGHT-click on Command Prompt
5. Select Run As Administrator
6. In the command window type the following and then hit enter: ipconfig /flushdns
7. You will see the following confirmation:
Windows IP Configuration
Successfully flushed the DNS Resolver Cache.
After that in the same command window type
ipconfig /release
ipconfig /renew
That should clear up the issue. Odds are you were sharing an IP address with someone else on the network.
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