Question about D-Link ADSL2/2+ Modem/Wireless Router 4-Port Switch, 802.11g, QoS (DSL-2640B)

3 Answers

Theres no dsl light on the router, its a d link dsl2640b. so i need to know if its broke, the power light is on and the status light but no dsl light and no internet light on router, the pc is showing connected to the router, i get a pop up saying network cable is unplugged the dsl light flashes then goes off, its doing it every 30 secs. ive tried everything i can think of can you help? thank you

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  • ich_tudirweh May 21, 2011

    its all connected properly , ive checked everything

  • ich_tudirweh May 21, 2011

    i dont have another lan cable , its the only thing i cant check :(

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The flashing DSL light means that the modem isn't seeing the DSL signal on the phone line it's connected to. This might be due to modem failure, but it might also indicate a phone line problem. The most common trouble I run across is an unfiltered device connected on the line that interferes with the DSL signal. Other than the modem, all devices (phones, fax machines, security systems, etc.) need to be connected to the line through a filter. Check to be sure something hasn't been connected without a filter. Sometimes a phone gets moved or a new phone is added that gets plugged in to a handy jack without being filtered.

If you can, try connecting another modem to the line. You may be able to borrow one, or find one at a resale shop. I see them quite often for only a couple of dollars, leftover from people changing to FiOS or cable service. This can help determine if the modem is responsible.

One final possibility: your DSL service has been cut off. I've had two cases where loss of DSL was a phone company issue that they needed to fix at their office. (One following some wiring work done in apartment building, the other when service was mistakenly disconnected from the wrong customer.)

This kind of trouble can be a headache to solve, but it can be solved. Good luck and thanks for using Fixya!

Posted on May 21, 2011

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Disconnect and connect the wan cable and try to connect again if still no dsl light try to use another lan cable

Posted on May 21, 2011

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Is the phone line connected properly? Do you get a tone at your telephone?
If the Internet and the dsl are not lit, this means the connection to the phone line is not properly set. Make sure that you have the line connected and (if there's a data splitter) make sure that is connected properly too.
if the problem remains, try contacting your dsl company and make sure they have the lines set right.

Posted on May 21, 2011

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1 Answer

INET light is on not able to connect to internet


Checked the instruction manual online. There's no INET light indicated. There's Power, Status, WAN, WLAN, and LAN LEDs. The WAN LED only indicates that the WAN port is connected to another device, e.g., cable or DSL modem. Check on your cable or DSL modem to see if the Internet light is on. If so, then you'll need to log into your router and go through the configuration/setup per the manual for your type of connection.

Oct 18, 2013 | D-Link 802.11g Wireless Router WBR-1310...

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To activ wireless router


Check out the emulator

http://www.support.dlink.com/emulators/dsl2640b/306041/vpivci.html

the gateway ip is 192.168.1.1
the username is admin
password: admin

Thanks for using Fixya.com

Feb 07, 2010 | D-Link ADSL2/2+ Modem/Wireless Router...

1 Answer

DSL status LED is not on. After an ISP problem the DSL status LED is not on. ISP told us to power off the router for ten minutes. After re-powering the router DSL status LED is not on.


Two problems,
1 - The power adaptor of the DSL Router is not working,
2 - the Telephone cable is not connected properly
3 - If it's a cable modem then the cable is not connected properly
4 - Check with you service provider if he's made changes in the exchange and if you need a new DSL router.
Your DSL service provider should be able to solve this issue.

Dec 06, 2009 | Computers & Internet

1 Answer

I just wanted to confirm that if d link adsl2+ router glb802c is


The D-Link DSL-2640B is ITU-T G.992.5 Annex A/L/M compatible, so yes it is.

Activating should be up to your ISP, as long as you have signed up for the service then you should be provided with any authentication information required for you connection. There should be a quick start guide that came with the router that can let you know how to configure the authentication information in the web config gui for the router.

Here is a link to the quick start guide in case you don't have it:
ftp://ftp.dlink.com/Broadband/dsl2640B/QIG/dsl2640B_QIG_100.zip

Hope this helps!

Mar 26, 2009 | D-Link ADSL2/2+ Modem/Wireless Router...

2 Answers

ADSL Router DSL-G604T


all ADSL routers are very fussy when it comes to power fluctuations, even the tiniest can set them into error, first thing to try, is pull the power cord out of the back of the modem, wait a couple of minuteds, then plug it back it, give it a few moments to re-connect and see how it is, if no luck with that, check the DSL, or ADSL light is on and solid.. if so look on the bottom of the modem for an ip address, open internet explorer browser, type that ip address into the address bar and hit enter, it should prompt you for a username and password.. usually ADMIN for both user and pass.. then go to "status" or "diagnostics" depending on the modem, and it will give you a run down on any potential problem..

PPP error: username and password are wrong (Authentication Failure)

Jun 01, 2008 | D-Link DSL-G604T Wireless Router

1 Answer

Hi and help please :)


1.       Check the for the Physical connection Between the router and dsl  the  modem

2.       And make the sure the dsl light or the status is solid green in the dsl modem

3.       If the dsl light or link light is bilking on the dsl modem . call your service provided and run a line test to confirm if there is any problem with the telephone line  

Oct 16, 2007 | D-Link AirPlus DI-524 Wireless Router

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