Question about Arris SURFboard® SB5101 Cable Modem

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Modem only shows pc/activity light on. Other lights that are normally on are not working. When I unplug and plug in power line green lights show momentarily and then go immediately off and stay off.

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Your modem is either not working and you should request/buy a new one. Only other problem could be the incoming coax lines could have triggered a problem. But most likely the problem lies within the cable modem as they do have a tendency to just stop working.

Posted on Jul 18, 2010

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All my lights are on on the box. Power is green, receive is green, send is green online is green, and pc activity is orange but it doesn't show that internet is available. WHat should I do? I have a...


Check your computer networking settings. There is no indication that they modem is the problem. You can reset that modem with a simple move and that would be to unplug it. But you need to make sure that tcp settings are ok. You can use the command prompt to see if they are. Type ipconfig /all and hit enter in the command box. Tell us what it says.

Dec 22, 2014 | Computers & Internet

Tip

Troubleshooting DSL Modems


Ever look at your DSL Modem and wonder what all those lights mean? Why do some flash, while others remain solid? What if your lights are different colors? How do you tell if your DSL Modem is working correctly?<br /> <br /> Each light on your DSL Modem represents a function. The light is an indication of whether that function is working properly. Sometimes the placement and title of each function can vary by modem manufacturer, but they are pretty standard in interpetation. If you look closely your modem, you might find that each function is labeled in small print to help identify them.<br /> <br /> A standard DSL Modem has a light for power, internet, ethernet, link and wireless connection. A healthy DSL Modem will have a steady green light that does not blink or flutter for all features other than internet, ethernet and wireless. A flashing or fluttering light indicates movement and useage. When you are connected to your DSL Modem wireless, the light for this feature will blink indicating a connection and/or active useage. If the internet connection is working properly the color of the light will be green. If the connection is working but experincing a problem the light can turn to yellow or orange. If the connection fails, the light on the DSL Modem can be red or absent depending on the problem causing the trouble. If your service is turned off by the provider, more than likely the light will be "off".<br /> <br /> If your lights turn a different color, are absent or your internet connection fails try power cycling your modem before reporting the trouble to your provider. Power cycling helps the DSL Modem to reset its connection and repair your internet services.<br /> <br /> If you are using a DSL Modem alone to connect to the internet (no additional router) you can power cycle it by first turning off your computer and then unplug the modem itself from the power source at the wall. Wait for 1 to 2 minutes and then plug it back into the power source and wait for the warm up to finish before rebooting the pc.<br /> <br /> The DSL Modem should go through the normal warm up procedures of blinking lights, making them all stable and solid green ect. You will know when its finished warming up when the features are set at solid green (other than eithernet, internet and wireless connection as explained above). When the modem finished the warm up, reboot your computer and check your internet connection.<br /> <br /> Power cycling your DSL Modem can help keep your connection healthy and running at optimal speeds.<br />

on Mar 30, 2011 | Computers & Internet

1 Answer

Emachines Will not detect ethernet cable


With the machine on and the cable connected on both ends (1 to computer and the other end to the Router or Modem that needs to be powered up) look where the cable plugs into your computer. Is there a green or orange light on. There may be two. Normally one that stays on steady is the CONNECT. This one is normally green color LED. When Data is being transmitted a second LED will be flickering showing data transfer. If you have no LED lights showing directly by the Ethernet cable, try another cable. Reminder: also make sure you have power on the router/ cable/dsl modem.
Hope this helps..

Nov 04, 2012 | eMachines T5062 PC Desktop

1 Answer

I have made a Wi-Fi Connection and I have made it so that I can get on it on my iPod Touch. But just recently, it started not showing up on my ipod touch, and today it started not showing up on my...


You have to unplug the modem and then unplug the router then power up the modem and wait tell it is all booted up and then power the router on. If that does not work make sure your modem is working ok and the lights are green.If the modem is ok you could try running the router setup again too.

Apr 18, 2011 | D-Link Computers & Internet

1 Answer

How to confirm that the BSNL modem is having problem & cannot be used any more if INET light is continuously blinking?


There are several lights on your modem/router. Each one has a function and signals whether it is working correctly by the color it is displaying and a few other factors.

All of the lights on your modem/router should be green and solid - EXCEPT for 2 which are for your internet and wireless services. Blinking means activity. If you INET light is continuously blinking that means its healthy. Blinking means activity. The internet always has activity. The blinking does not signal your activity - it signals the traffic and connection on the internet. Your wireless connection also has a light which should show activity and availability. A blinking light on your wireless connection means that either someone is connected wireless and using the internet or that the connection is up and available for wireless access.

All of your lights should be green. If you see a red or yellow light - regardless of whether it is flashing or not - it means that there is trouble or problems that need to be corrected.

Each light is marked with its function. They should say things like "power", "link", Internet or INET, and "wireless". When you turn on the modem/router during your first set up, let it power up and finish its testing before connecting your pc and turning it on. The modem will test each light, make them all go from red/yellow to green - then make them all turn solid green (not in that exact order) and this is all normal. You will know when it is done when all lights are solid green and stop blinking and/or moving (except the INET & wireless lights which will be constantly blinking). When all lights other then those two are green and steady - then its time to connect the cable to your pc and power it up.

If you are having problems with your internet connection - you can rule out the cause being your modem/router by following the instructions above. When you rule out that the modem/router is not the cause, you can continue by checking your PC.

For a wired connection (wired meaning that you are connecting your computer to the internet by using a cord/cable) the first thing you want to do is make sure that the computer is automatically sensing the connection.

Your computer should automatically sense that there is a live internet connection when you connect the ethernet cord from the modem/router to the pc. When its working right, the computer will display a connection picture which is called an "icon" on the bottom right side of your screen near the clock area. Sometimes there is a downward arrow by the clock which needs to be clicked on to expland this area and show all icons for running programs. If you see a downward pointing arrow by your clock on the bottom right side of your screen, click on the arrow.

Test that it is sensing the internet connection by unplugging the ethernet cable from your pc and watch the bottom right side of the screen at the same time. Unplug it and repeat if necessary while watching the bottom corner to see a change which indicates it senses the connection. A normal internet connection icon looks like the picture of a computer monitor. Some glow green when they are active and the ethernet cable is connected. Some show a red "X" over the picture of the monitor on the bottom right side of your screen when the internet connection is down or not working. Some will say "cable disconnected" when you unplug the ethernet cord. Some show "Cable now connected" when you plug it back in. You should see something change and/or appear if your pc is picking up the internet connection correctly. When you have verified this as true - then you can continue on to the next step of troubleshooting the internet connection.

DSL service is an internet connection that is always on. Its considered a "live" connection. DSL connections usually do not require any set up (programming or changing settings). The only time that this is not the case is when someone tries to to set up a dial up connection like aol over the top of a dsl connection. You can check this by going to your control panel, click on internet options, and choose the "connection" tab at the top. In the connection area box there should be "nothing". The connection area box is for dial up connection settings. If a dial up service was set up in the pc it would show it here (you would see AOL dial up ect). If you see a dial up connection set up and you know that you have dsl, click on the remove box and delete it from this area.

You do not need to install anything from a disk to establish an internet connection if you have a dsl line. That means you dont need an "aol" disk or software to make the internet work.

to start the internet click on the blue "e" on your desktop which stands for internet explorer.

If you have any questions you can reply to my solution by going into the problem you posted on Fixya and click on the "reply" option.

Mar 03, 2011 | Samson Technology X6v ADSL ModemWireless...

1 Answer

Last night my Compaq desktop was working completely fine and I shut it down normally using windows. Now this morning the power button wont turn the computer modem on! There is a green light that is...


try to umplug the modem from the motherboard last pci slot on the botom of the case if that works ok if not try new power supply if still not working problably bad motherboard thanks

Oct 13, 2009 | Compaq Presario 5000 PC Desktop

1 Answer

My modem light on my router blinking


You mean the power light? Or a light to the port you are plugged in to? It is normal to have a blinking light where your ethernet wire is plugged in. It shows that it is working.

Aug 28, 2009 | Belkin Computers & Internet

1 Answer

Modem won't connect to internet. OS: WinXP Pro SP 3. ISP: Earthlink DSL. Modem: ZyXEL P-660R-D1 (supplied by Earthlink) connected to computer with ethernet cable. Modem includes double filter for phone...


maybe you have to wait for your provider for them to isolate the problem, it seems that your modem got hit maybe by high surge. ask them to bring a spare modem for isolation.. there is no way for you to isolate the problem coz you've already done the basic....

Jun 19, 2009 | Computers & Internet

1 Answer

Internet stopps working


if you have router connected to modem

turn of modem and router, unplug the power plug and wait atleast 25 sec

after 25 sec, power on modem and wait for all the lights turn solid green (power, wireless, internet)

then power on router and connect to modem


go to your pc and click Start>>>>RUN

type CMD

then command prompt will pop up

type ipconfig /flushdns then press enter

type ipconfig /release then press enter

type ipconfig /renew then press enter

Mar 20, 2009 | Intel D101GGC Motherboard

1 Answer

Dell truemobile 2300 shows connected to internet, but isn't


When you reset the router, did you first shut the router down, then unplug the modem (wait 30 seconds), reconnect the modem (wait for all lights to go to "normal mode"), reconnect router to power, check for activity light on modem, wait about 30 seconds after all is powered up? If not, try that sequence and let me know if it works.

Mar 05, 2009 | Dell TrueMobile 2300 Router (000001)

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