Question about Belkin (F5D7231-4) Wireless Router

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Router loses connection to Internet

Almost daily my wireless router loses connection to the internet and needs to be reset.

I am a Comcast customer.

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  • Kurt Van Etten
    Kurt Van Etten Nov 09, 2007

    Very well written explanation. Thanks!!

  • doctorbob57 Jun 01, 2008

    I am having repeated disconnections sometimes requiring me to completely reconfigure the router. I am using F5D7632UK4; version 6001uk

    I have tried altering the channel to 11 but that hasn't cured the problem. One thin that I have noticed is that although the time is set to UK time zone, the date reads 01 August 2003, should that cause a problem and if so how would I change the date?



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  • 14 Answers

Note : The steps below are applicable only for Belkin routers.

  1. Open an Internet Explorer window on your computer and type in in the address bar. This will take you to the Belkin router's web based configuration page. If you are not able to open the page click here.
  2. You will get a login page. Leave the password blank. Click Submit .
  3. On the left side of the page, click Channel and SSID below Wireless .
  4. The wireless channel on the Belkin router is set to Auto by defualt. Change the wireless to a static channel. Click Apply Changes .
  5. Click Logout in the top right hand corner.
Note: The wireless card in the computer will automatically detect the change in channel number on the router and will update the channel on the card.
CauseYou are not able to connect wirelessly mainly due to environmental interference. When the wireless channel is set to auto, the router will cycle to though channels when it detects significant interference. When the router changes channel the wireless connection will reset itself and disconnect all wireless clients connected to the router. SummaryWireless signals are prone to interference from cordless phones and electrical appliances (e.g., vacuum cleaners, microwave ovens). This is the reason wireless connections can drop. This article explains how to overcome frequent wireless disconnections by changing the channel number (frequency) on the Belkin router.

Posted on Nov 08, 2007


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Posted on Jan 02, 2017


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Every time I connect router I lose internet connectivity - cable When I disconnect router, Internet is fine COmcast Cable blames router ; Cisco blames Comcast - cant get any where with either support team...

If your computer is able to go online through the
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Try to upgrade the firmware of the router.
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Unplugging the wireless router and connecting it again should not have altered the wireless connection/configuration. You have connected the cables correctly because the Internet works when you connect a LAN cable to the router.
The Linksys wireless configuration or the wireless card configuration in the computer was changed it to lose the wireless connection. The wireless card configuration needs to be changed to match the wireless router's settings or change the Linksys with new configuration settings and configure the wireless card accordingly.
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Go to the control panel and un-install the program that the Comcast cd installed. then:
Shutdown your PC. Unplug the power from the router and the cable modem.
Wait 30 sec. then plug in the power to the cable modem, wait 30 sec. then plug the power to the router. Wait till you have "Internet" light then restart your PC. The PC should pick up an IP address and you should be able to get on-line.

Did Comcast reset you wireless router settings? If so, you may need to set up your SSID and security settings.

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Having default wireless settings on the Linksys router may cause conflict with other Linksys routers within your network range. Linksys suggests changing the SSID (network name) and the Wireless Channel of your router. Also, if it is possible, enable the Wireless Security of your router.
To change the router’s SSID or the wireless network’s name, click here.
To change the router’s channel, click here.
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True Mobil 2300 can't find IP address

since you have a comcast modem the router should automatically pick up connection,since you have already reset the modem,what you need to do is to check whether you are going online suing the modem,once you can go online using the modem,reset the rotuer as well,connect all the devices properly(the cables should be in the appropriate ports)turn off all the devices for 60 sec and then turn the modem,wait for the light to be steday,turn on the router and then the computer and check if you are being able to go online i am sure you will be,incase you are stuck let me know ffurther...


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Belkin G wireless Router

Do you have an all-in-one router from Comcast? For example, do you have the cable (RF) line and your PC plugged into the Comcast router? If so, unplug your PC from the Comcast router and connect the Internet port of the Belkin to the ethernet port on the Comcast router. Then plug your PC into the LAN port on your Belkin.

[PC] ---> [Belkin] ---> [Comcast] ---> Internet

Once you have connected your boxes as displayed above, you will need to power everything off and bring up the boxes in the following order:

Comcast (wait 60 seconds)
Belkin (wait 60 seconds)

If you cannot get out to the internet, momentarily press the reset button on the back of the Comcast box. Comcast routers are weird. A poweroff should reset the router but I have seen a few times where nothing works until the reset button is pressed (this is also recommended by Comcast).

I hope this helps.

Dave Grannas

Jan 26, 2009 | Belkin (F5D7230-4) Router (587009)

1 Answer


Hi Susie
With related to your particular issue it seems like that your broadband modem is not configured for the router. There are basically 2 types of connection. DSL and Cable modem. Verizon, ATT are DSL and comcast other providers give you a normal cable broadband connection. If its comcast make sure the cable from the comcast modem is going to the internet port in the linksys router and also make sure that there is a system connection the linksys router and the cable from the system goes to any of LAN 1, 2, 3 and 4 ports. Then reset your cable modem by using a pin and inserting to the reset hole in the modem. You could use the same step to reset your linksys router as well .If its a verizon or dsl connection you need to put normally your username and password in the router page. here is the link to how to configure linksys for your internet modem.
Here is a video as well on it?

Also post the linksys router model. your ISP modem model number and also information on how many systems are wired to the router and wireless and let me know if you need more help.

Thank you
Dell Laptop Expert

Jan 09, 2009 | Linksys Wireless-G Broadband Router

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I cannot connect with linksys wireless router

From your description, you appear to be connected to the router fine.

Try powering down the modem from Comcast for about 2 minutes then power it back up. If it doesn't come back, call Comcast service as it is likely on their end.

Hope this helps.

Dec 12, 2008 | Linksys Wireless-G WRT54G Router

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Arimex comcast router won't talk to belkin wireless g plus mimo router

Comcast has a little known "trick" that they use when setting up users. Here's how it works:

When Comcast first comes to setup your new cable modem service, they insist on connecting it to your computer and "testing" it. Most people think nothing of it, and that it's good customer service ...truth be told, what they are doing is attaching your computer's MAC address to that cable modem, so that you cannot create a wireless network. This is because they want you to pay them $150 to do this for you.

In this situation, since the modem is a modem/wireless router in one, my guess is that the MAC address on your machine now does not match the MAC address on the new router, which is what Comcast has stored in their database(s).

Try this: on your computer (while connected to the modem), perform a release on your IP address (start, run, cmd, then type "ipconfig /release"). Disconnect the ethernet cable from the computer. Turn computer off completely. Hold down the reset button on the cable modem until it performs a reset. Once it's back up and running, boot up your computer with the cable back in the ethernet port.

The cable modem should assign a new address to your computer. However, that may or may not work ...this is an easy workaround with a Linksys router, but not necessarily with the all-in-one devices.

Worst case scenario: contact Comcast and notify them that the new modem is not recognizing your computer's MAC address and that it needs to be updated in their system. They will scan your computer (through the telnet interface on your modem) and get your computer's MAC address, then (hopefully) make the necessary changes on their end.

After that, everything should work flawlessly. If not, insist on a Comcast tech to "fix" the service that you are paying for.

Good luck - hope this helps :)

Sep 29, 2008 | Belkin Wireless G Plus MIMO (F5D9230-4)...

1 Answer

Became new customer to comcast-got the bundle package, internet,phone,cable. Voice overlay modem to accomodate internet and phone lines. Did not use their wireless router-using exsiting router D-Link model...

Hi jad123,

I am sorry to learn about the problems you are experiencing with your service.

I will be happy to reach out to my contacts to assist you in resolving this issue. Please feel free to contact me so that I can get more information from you.

Thanks in advance!

Mark C.
Comcast Executive Offices

Apr 10, 2008 | Computers & Internet

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