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D-Link router not working properly

For 3 years I've been using a D-Link router with 3 desktops attached, DSL broadband. No problems. Suddenly, a week ago, I found I could not send email out of Outlook and, similarly, could not get in to sites requiring a password, including my bank, Fidelity Investments, and eBay (I can get to their respective home pages and navigate around to non-password protected pages; I can go to this FixYa website).
Meanwhile, if I bypass the router and hook my computer directly to the internet via the DSL modem, everything works fine.
That would seem to suggest a router problem. But I have tried switching out parts from other systems that are functioning properly. My office has one computer connected to DSL via an identical D-link router. I've replaced that office D-link in to my home system and no go. I've even replaced out my DSL modem and D-link power supply, with no change. I've tried the reset button on the back of the D-link and found that I just have to reconfigure the router (as with an initial install), but no change.
I have not made any changes in my system that I'm aware of and that might of caused a change. I've looked all through properties in my LAN connection and can't find anything out of order.
I'm out of ideas!

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Re: D-Link router not working properly

  1. Using a computer that is connected to the router with an Ethernet cable, launch a web browser. ...
  2. Enter the following default login credentials: ...
  3. Click on Wireless Settings under Setup.
  4. The Network Key (password) for the wireless network of your router will be on the box on the right side of Passphrase:.

Posted on Jan 24, 2015

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Re: D-Link router not working properly

1)Try booting your Computer ion safe mode with networking and then try to open secure websites
2) If above doesn't work then try to create a different user account and see if from that account things workout for you.
3) Try using compatibility mode in IE.

Posted on Jul 26, 2014

Re: D-Link router not working properly

Hi FixYa, one final time. I bumped into my own solution!
The answer was a small utility program called SG TCP Optimizer that can be found at Simply open the program and at the bottom click "custom settings" and then in the new window that opens, set the MTU to 1200. Apparently, this limits the packet size sufficiently to allow smooth data flow under a slower broadband speed? This is all beyond my knowledge level. But anyway, problem solved!

Posted on Oct 21, 2007

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Re: D-Link router not working properly

First thank you for using good grammar.


I would like to try a different browser.

Even though all evidence shows its the router causing the problems, I would like to suggest it might be the computer.

What browser are you using? Internet Explorer?

Posted on Oct 19, 2007

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Re: D-Link router not working properly

I'm having same problem with my D-link router. I can go to internet using Firefox ,But not with IE7. Need a solution.


Posted on Feb 06, 2008

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