Question about Toshiba DOCSIS Cable PCX1100 Modem

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Now and then cable connection dropped

Have been having trouble for the past month or so losing the cable connection. Removing the power from the Modem for several minutes and then repowering corrects the problem sometimes, other times a computer restart restores the connection. I talk to the modem via a wire type router and sometimes just jumping around the router restores the connection. I have no idea why the restart or router jumping sometimes clears the problem. Would appreciate your help.

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5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

XBRMann
  • 38 Answers

SOURCE: no internet when using router

Your modem has already registered itself with the MAC address of your computer, so it doesn't recognize the MAC of your router. In cases like this you have two options:

  1. Configure your router to clone the MAC of your computer
  2. Connect the router to your modem and do a soft reset so the modem registers itself with the MAC of your router.
Clone MAC - Go to your routers Admin web interface and on the main page you should see the "Router MAC Address" section at the bottom. Select "Use Computer MAC Address" and click "Apply" and your router should reboot and you'll be back in business.


Soft Reset
- Plug the modem into the router via the ethernet cable then do a soft reset.

To do a soft reset, do the following:
  1. pull the power cord from the modem
  2. count to 5
  3. hold down the Reset EMR button on the modem
  4. plug back in the power
  5. count to 30 while holding the Reset EMR button (the modem should be blinking a lot)
  6. release the Reset EMR button and see what happens.

Posted on Jul 08, 2008

motor1258
  • 6674 Answers

SOURCE: I will lose internet connection after a while

Try this link & download & install usb driver for your model. When it's ready to download, click run and follow prompts. Restart computer after & see if that helped.

http://www.toshiba.com/taisnpd/support/downloads.html

Posted on Dec 13, 2008

sanguine
  • 369 Answers

SOURCE: Cable connection drops perodically

It may be a problem with your security software as well. do you have norton, macafee,trend micro, panda security or anyone else. Please uninstall it and check it after that.

Posted on Jun 19, 2009

  • 26 Answers

SOURCE: modem will connect to router but not to computer

This is mostly because it has not adapted to the changes when using another device aside from the router, especially a router. What I have done with internet modems is when you are removing a router, or if you are installing a router is allow that modem to be shut down for about 10 - 20 minutes before you use other devices it does not recognize right away.

Posted on May 05, 2010

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1 Answer

Why does my internet keep dropping?


change your connection system
you can get TP link units that plug into the house electrical system and run ethernet cables from the computers on a home network system
works like a charm over any distance on the same power circuit for the house
may be a wireless dongle will fix your problem

Apr 11, 2017 | Motorola Computers & Internet

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My modem keeps dropping connection. I have called my ISP and they say everything is running just fine. It happens when i am playing counter strike source and i start lagging badly and all of the sudden my...


Intermittent connection issues are very difficult for internet service providers to trouble shoot. The first step in trouble shooing any Intermittent connection problem is to look at the chain of equipment involved in flow of data from the internet service provider to the end user. In most homes the packets enter from the main line to the modem, than from the modem to the router, and finally from the router to you computer. So that means that the issue can be caused from the following equipment: main cable line, splitter, modem, router, or the Ethernet / wireless card of the PC. The first step in trouble shooting this problem is to wait for the internet to drop off. As soon at this happens go to your modem. If the top 4 lights are not solid green then the the modem is losing it's connection to the internet. This can be cause by some thing as simple as a bad splitter in the home or some thing as complicated at an issue at the pole. If the modem drops the connection I would recommend contacting the internet service provider and demand a service call to swap the modem and check the pole. Now if when the connection drops the modem still has access than the issue is most likely with the router or PC. If more than one computer loses it's internet access than you can rule out the computer as the issue. At this point I would have to recommend bypassing your router for about 48 hours. If the issue does not return than you know the router was the source of the problem.

I hope that information above has helped is some way.
If possible please rate this solution.

Aug 29, 2010 | Arris SURFboard® SB5101 Cable Modem

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Suddenly no connectivity after months of service


change your internet connection, or may be the modem is faulty due to some reason

Jan 08, 2010 | Belkin F5D7234-4 Router

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Dear forum-freinds, I have Motorola cable modem type SB5101E. From a month ago up to now I can't use my cable Internet because it's been dropping connection after 5-9 minutes after restart. Nothing happens...


Hi,
If you say the lights are going out on the modem when it boots you off the network then the problem is your modem and not your internet connection, if the modem is new take it back and have them swap it for another one.



Regards.

Jul 01, 2009 | Arris SURFboard SB5101 Cable Modem

1 Answer

Cable connection drops perodically


It may be a problem with your security software as well. do you have norton, macafee,trend micro, panda security or anyone else. Please uninstall it and check it after that.

Jun 19, 2009 | Toshiba DOCSIS Cable PCX1100 Modem

2 Answers

Modem disconnects on a daily basis


Type in 192.168.100.1 into your web browser, that should bring you into the modem, check on what your dB levels are.. Cut and paste your output in case this happens again. Your modem will have a log of the disconnects that you can use when talking to Comcast. It sounds like you might have a pwr problem with your dvr. Are they plugged into the same outlet? Are you able to contact Comcast while it is happening? As a workaround, try plugging each into a different outlet. I would open up a trouble ticket with Comcast and have them escalate the problem. If it is a comcast modem, they can bring you another one out.

Feb 23, 2009 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

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Losing connection


I assume this is a cable modem? You need to call your cable company and have a trouble ticket created. I worked for the cable company installing cable for quite a while and I bet my paycheck the signal getting to the modem are below specs and that's why the modem gets dropping the internet connection.

Hope this helps.

Aug 13, 2008 | Arris SURFboard SB4100 Modem

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2wire dropping xp pc


hello!

you may try this and see if this help solve your problem

Step 1try to connect your computer directly to the modem and check if you will also experience problem
Step 2: Shutdown the computer.
Step 3: reset the router while power on then Unplug the router’s power cable.
Step 4: Unplug the Broadband modem’s power cable and wait for 30 seconds.
Step 5: Plug in the Broadband modem’s power cable and wait for its lights to appear
stable.
Step 6: Plug in the router's power cable once the modem’s lights appear stable.
Step 7: Power on the computer on and configure router settings if neede
Step 8:test the Internet connection.

if this still didnot work, maybe you need to upgrade the firmware of your router

May 01, 2008 | 2wire (1000-100052-000) 802.11g/b Wireless...

1 Answer

Router loses connection


Somebody else on this site had similair troubles and it was down to the fact that the cable company change the IP address of the connection frequently. Now, if this is the case your router will lose connection if it's a seperate modem as it will lose the modem IP address. I would contact your provider for a solution if this is the case.

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