You can use the Power, DSL, and Ethernet lights on the front panel of the 2750B Wireless DSL Gateway to help diagnose home networking connectivity problems.
Follow the steps below to diagnose and test the possible solutions for any connectivity problems you are experiencing.
Has your Service Ready Date passed?
Is the Power light illuminated?
Is the DSL light illuminated?
Is the Internet light illuminated?
If the D-Link DSL-2750B Wireless Gateway is connected to your computer using an Ethernet cable, are any Ethernet lights illuminated (E1, E2, E3, or E4)?
If the D-Link DSL-2750B wireless gateway is connected to your computer using a Wireless connection, is the Wireless light illuminated?
Reboot your computer by turning it off, waiting for 45 seconds, and then turning it back on. Re-check your router lights. Disconnect all networked computers and restart the computer connected to the router. Reconnect the other computers one-by-one to isolate the problem.
When you reset your gateway to its factory settings, remember:
To restore your D-link 2750B to its factory settings:
In the event you cannot access the gateway’s internal interface, perform the following steps:
Port forwarding configures a device (modem, router, or gateway) to allow a computer, application, or a service on the Internet to communicate with a specific computer on a private local area network (LAN).
Port forwarding sorts the data from the Internet source to the correct port on your network. Port forwarding is commonly used for online gaming, VPN setup, FTP setup, remote computer software, and Web server hosting.
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Before you begin, please note:
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To enable port-fowarding:
Note: The D-Link 2750B Gateway security screens and prompts may vary slightly from these directions depending on when you purchased your gateway and the firmware loaded on it.
To change your D-Link 2750B Gateway password:
Your network's current SSID is stored in your D-Link 2750B Wireless DSL gateway. As long as you know your gateway's user name and password, you can access the security settings where the SSID is stored.
Quick Help:
To find your gateway’s SSID:
Your network's current WEP encryption key is stored in your D-Link 2750B Wireless DSL gateway. As long as you know your router's user name and password, you can access the security settings where the WEP encryption key is stored.
Quick Help:
Note: The D-Link 2750B Gateway security screens and prompts may vary slightly from these directions depending on when you purchased your gateway and the firmware loaded on it.
To locate your network’s WEP:
Your network's current WPA2 or WPA encryption key is stored in your D-Link 2750B Wireless DSL gateway. As long as you know your gateway's user name and password, you can access the security settings where the WPA2 or WPA encryption key is stored.
Note: Your D-Link 2750B Wireless DSL gateway security screens and prompts may vary slightly from the directions below, depending on when you purchased your gateway and the version of the firmware loaded on it.
Quick Help:
To display your network's WPA2 or WPA encryption key: