Modem Turns Off When Connected Via Ethernet
Nov 1, 2011
I have a 2wire modem and I'm using att DSL. The internet was working fine, I went out of town for 2 days, I returned to find my internet wont work. During the time I was out my brother said it hadn't worked for the 2 days. The modem works fine and all lights are green when my desktop is turned off or not connected. It even lets my brother use wireless on his laptop. However, when I turn on my computer or when I connect it to the modem with an ethernet cord, the DSL light will go red and not work.
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Apr 22, 2011
A friend recently re-installed windows XP on their HP Laptop. They were connected wirelessly with a Linsys router (model wrt54g.1) and an RCA Cable Modem. The Cable ISP can ping the modem and gave me the IP address over the phone. I cannot ping the modem even when I take the router out of the loop. The network card (i1394) in the Laptop is functioning normally and I can see traffic on the modem (both the Cable Internet light and the PC activity light are flashing green) the ethernet port on the laptop is also flashing (amber). However I cannot reach the internet and cannot even ping the modem. The modem is brand new..
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Jun 10, 2012
So I have a Westell 7500 Modem/Router with Century Link DSL. I've been running a couple of laptops and my wifi enabled TV on the wireless. A few days ago I got a new desktop PC (Windows 7) and plugged the ethernet cable into it. Everything was great but the wireless was a bit slow for the TV so I plugged that in with an ethernet cable too. No problems for a few days. Today, we had a power blip and everything reset and I noticed that the internet light on the modem was solid red and I couldn't access the internet on any machine (ethernet or wifi). I called the ISP who said there was an outage in the area. A few hours later, solid green light on the modem BUT the TV (ethernet connected), my iphone, and my laptops could NOT connect, despite the network showing up with a full signal. Oddly, my new PC, connected via ethernet was fine so I played some Diablo (side note). Here's the deal: the new PC connects just fine but nothing else will. If I unplug the ethernet cable to the PC or disable the LAN connection, the red internet light appears on the modem. It seems as though the PC has hijacked the modem in some way. Even the TV won't connect with the ethernet cable. The only way the internet works now is if the modem is connected to the new PC. I've done all the resents - unplugged the modem and let it sit for 10-15 minutes, accessed the router settings, etc etc. Why would this start happening now after everything was working well for several days and how do I fix it? I need the wifi connection! Update: Plugged my Macbook Pro into the ethernet cable (took it out of new PC) and it works.
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Dec 29, 2011
I have a DIR 601 with a actiontec GT701D modem.When I shut down my computer the globe on the router goes from green to orange.The modem people say their modems are always on Am I missing something on the DIR601?why?
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Dec 2, 2011
I was very happy working with my WRT610N connected to the ethernetport of my previous internet modem. Recently I had to switch to a new modem CISCO EPC3925. Unfortunately this combination does not work anymore. I don't get an internet connection on my WRT610N anymore. I therefore have to connect all computers (LAN and WIFI) to this EPC3925. Especially for the WIFI I'm not fully happy. My IPAD2 sometimes does not want to connect, a problem which never occurred when connecting to WRT610N.
I probably need to change a setting, but where? In the EPC3925 or in WRT610N?
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Jan 18, 2012
I have DOCSIS 3.0 modem and a Linksys E1000 wireless router with which I get reults from SpeedTest of 8.6 mps down, 1.57 mps up up from 15 mps service from cable provider. Connected to modem via ethernet cable produces 16.0 speeds. Do I need to upgrade the router or are my settings wrong?
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Sep 14, 2012
Simple enough, my computer is connected to my modem/router hybrid but it will NOT connect to the internet. The router is providing internet just fine (I am currently typing this on my laptop using internet from that same laptop). I have tried everything. I've tried the different ports on the router, I've tried different ethernet cables, I've even had the modem/router replaced. None of this has worked, so I am convinced that it is somehow a problem with the settings of the computer which will simply not connect to the internet.
The computer will connect to the router (I can login and fiddle around with settings). I've tried re-installing the ethernet card's driver (it's built into my mobo). I've tried inputting IP and DNS servers manually, but nothing works.
Here is a copy of my ipconfig and my ipconfig /all.
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersAlexander>ipconfig
[Code].....
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Oct 8, 2012
I have tried 3 cables and all three are not recognized even though they are plugged in. I have uninstalled network adapter and re installed it and i have updated the driver still nothing so i don't know what to do next.my laptop is a hp pavilion g6 series
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Jan 23, 2011
I have a Netcomm NB9WMAXXn router and 3 laptops i want to connect to it wirelesslyThe problem is that the iwreless internet connection slows down and eventually drops out after about 30m unless one of the laptops remains connected via Ethernet to the router. The wireless laptops will remain connected to the router but the internet connection will fail. The laptop with Ethernet connection retains a very good connection so i'm thinking this is an issue with my router or it's configuration
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Jun 20, 2012
Have got one ethernet plug connected to the router and then one upstairs connected to my ps3, can I add another plug and connect another device to it or do i need two plugs to connect to another port on my router for it to work? If I buy another set of plugs will they still work or will they cause interference?
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Aug 7, 2012
Am trying to fix my husband's computer, which seems to eb ok except that it cannot connect to the internet. The connection is wired and works fine (my computer, next to his, works well). I have tried pinging google.com and cannot resolve, but pinging numerical addresses works fine.
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Apr 22, 2011
i acces internet on my pc using tata photon+ mobile broadband service,my problem is that i bought a ps3 and want to share internet connection with pc using ethernet cable via lan modem, for this i connected ps3 and pc using ethernet cable,i go to custom and wired setting of ps3 but my ps3 keep saying 'connect ethernet cable'.
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Nov 8, 2012
my ps3 keeps saying ethernet cable not detected but it is connected.
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Jun 10, 2012
I have a desktop running windows XP Professional x32 SP3 and my network adapter is a Realtek PCIe GBE Family Controller. The desktop is connected to the network with an ethernet cable.Up until yesterday the internet connectivity just stopped working. I am seeing a very low number of received packets as opposed to the high number when it was working. It is showing that it is connected to the network but I still can't access the internet. Also I should mention that the desktop is at work and it is connected to a DHCP server that assigns IP addresses. I have updated all the drivers and I have used Winsock Fix and Netsh but it still isn't working. However the weird thing is that if assign a static IP address to it...it works. But I can't do this because I am not suppose to hook it up to the ports assigned to the switch for static IP's. It has to be connected to the DHCP switch. Why does it work when assigned a static but not if it gets an IP assigned by the DHCP server or switch. Also even if I try to reset, renew or release the IP...when I connect again it still gives me the same IP. It wont change.
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Aug 1, 2011
My laptop connected to the LAN for internal access, the LAN is limited access ( limited permission for internet connection), so I bought USB Modem. But when i connect to USB modem I lose my internal connection. ( I want to use LAN for internal access and USB Modem for Internet access at the same time)
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Apr 4, 2012
I seem to be having a problem connecting to the internet via ethernet cable that goes directly to a router. I am currently running off of a crappy wireless card. Ive checked my drivers with device manager and that yielded nothing. I recently reinstalled windows 7 and thats when the problem started. My motherboard is a Amd Athlon II x4 640 (Socket AM3) GA-M74GM-S2.
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Oct 1, 2012
So every few minutes; in no pattern, my laptop internet will turn off then reconnect.I have noticed that it does it mostly at night where I am most active on my laptop.I am using a external wireless adapter to make my connection somewhat "better" but I am not sure if that is the cause.
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Mar 21, 2013
So, for some reason my internet connection started disconnecting about every 1-5 minutes. It worked fine this morning, however, when I turned my PC on a few hours ago it became very unstable. After it happens I have to reconnect to internet (it doesn't work all the time, I usually have to do it two times for it to work), and then again after a few minutes the connection dies. Tried restarting my computer, tried restarting the modem, tried the troubleshooting network thing (it keeps saying "Local Area Connection doesn't have a valid IP configuration", but gives no solution). Also, I tried connecting on my cellphone and on a laptop and both of those work. However, those connect through WiFi, while my PC is connected through an ethernet cable[code]
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Mar 8, 2012
Could the new internet card be making my downloads and emails VERY slow or is it bad line speeds. Would a new modem router improve things.
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Apr 28, 2013
I have a strange problem with a SG300-10 (our first SG300) working as a desktop switch.When a PC that is connected to the switch is powered off and is later (a few minutes or next day) switched on, the PC has a ethernet-connection to the switch, but no IP-connectivity.The PC-statistics shows that ethernet is connected and it sends packets, but the PC does not receive any packets.At the same time the SG300 statistics for the port says, that the ethernet is connected (same paramaters as the PC) an that the switch is sending IP-packets (broadcast and unicast) to the port, but does not receive any packets. The switch shows follwing entries in the ram log for the port: [code]
With the older firmware 1.2.9.44 the IP-connectivity worked after waiting 5-10 minutes.With the new firmware 1.3.0.59 I can wait even 15 minutes, there is no change and nothing happens.But when I change some "unimportant" parameters of the port (i.e. change port speed from autonegation to fixed 1000M, or vice versa) and then save the running configuration to the startup-config, around 5-10 Seconds after the configuration is saved, the port gets full IP connectivity and after that works fine (until the PC is switched OFF and ON the next time).This is a very strange behaviour. As "PC" I have tested this with HP-workstations, Lenovo Thinkpad and a MAC Mini. The switch "reacts" to all the same.Following I have attached the config of the switch. [code]
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Nov 9, 2011
I have a network closet where all the ethernet ports in each room of the house is routed to so wired routing performance must be good.I also need a good wifi network since we have multiple laptops and tablets we use around the home. I do have 2.4GHz and 5GHz devices so I need the dual, simultaneous wifi operation.The gear I can choose from to do this:
Asus RT-N56U
OR
Cisco RVS4000 + Netgear WNDAP360
The home is a 2-story unit and the networking closet is upstairs near the front of the house. If I go with the Asus RT-N56U, the wifi network will be centered in the network closet. If I go with the Cisco RVS4000 + Netgear WNDAP360, the Cisco router will be in the network closet and the Netgear WNDAP360 will be connected to an ethernet jack closer to the center of the house.
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Jul 15, 2011
gain access to the internet from the wireless modem that is connected to one pc, by using a wireless router on the pc needing acces to the internet which is in a different room?
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Nov 10, 2012
We have a standard surfboard modem and a standard wired router. I recently purchased a wifi-only tablet thinking I could connect to an ad-hoc hotspot. This however isn't the case and now I can't use my tablet at home.I'm going to buy an inexpensive wifi router and just have that dedicated for my tablet. I've read that you can connect a wifi router into a wired router, but it requires a lot of mucking about with the settings. Then I remembered the USB connections that modems and routers have.can you have one wired router connected to the modem via a standard cable and also have a wifi router connected to the same modem via a USB cable?
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Mar 1, 2011
I am currently having a problem connecting a hardlined (ethernet connected) PC to a wireless printer. I want to know first of all if this is even possible. If so, how can I make this work? I know just enough about networking to be dangerous, but not enough to see what I am doing wrong. My network structure is as follows:
a 2Wire wireless modem/router provided by my ISP. a win xp laptop connected wirelessly a vista laptop connected wirelessly a win xp pc connected via the 2Wire ethernet port a Lexmark 4530 printer with wireless adapter connected wirelessly wireless config is WPA-personal (TKIP)
The laptops are able to print to the printer, but that is only because I used the CD for the printer to setup the wireless printing. When I look at the network neighborhood on both laptops, the printer does not appear. This leads me to believe that the printer is not connected to the network, the laptops have just created a printer connection (the port designation leads me to believe this as it just shows Lexmark 3500_4500 and not an actual address). The hardlined PC can connect to the internet, but is not visible to either of the PC's. When I try to type in the IP address listed on the printers config page, it doesn't see it. I can ping it, but can't connect. I think my problem is in the connection of the wireless printer. I can see it in the connection screen of the 2Wire status page, but I have a funny feeling it isn't configured properly. There appears to be no way to configure the printer outside of using their "wireless connection utility wizard" on the CD.
There is one other twist to this, I have a Dlink DGL4300 wireless gaming router that I use for my XBOX and to give me additional hardline ports for other things. I don't have it connected right now (my box is out of commission waiting on parts), but I did have it connected behind the 2Wire before without any problems. I would like for it to remain this way once I have the printing problem resolved. I am using DHCP right now with auto assigned IPs, but I can reconfigure the network to whatever will allow me to get this to work properly.
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Feb 17, 2013
I'm using a refurbished WRT54G2 v1.5 router. I've had the router for two and a half years and have never had a problem. I recently unplugged my DSL modem and this router to move them, and when I plugged them in again, the router stopped picking up the internet signal from the DSL modem. I'm able to get internet when I hardwire directly to the modem though. I tried resetting the router and setting the router up from scratch again, but now I just get error 321 Ethernet cable not connected when I try and run the setup cd.
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Apr 29, 2012
I am facing low relaiblity issue in one of the ethernet port even no link is connected to that port.
Router model : cisco 3660
IOS - c3660-ik8s-mz.122-24a.bin
Ethernet1/2 is up, line protocol is down
Hardware is AmdP2, address is 0007.85fb.c312 (bia 0007.85fb.c312)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
[Code]...
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Jun 19, 2011
Just replaced Dir 625 with Dir 655. I have Sony KDL 46NX700 TV. When the router is on the tv turns off and on, like a reboot. The longer the tv stays on the longer between the reboots. Also if the wireless device is turned off in tv settings it does not turn off and on. Have talked to Sony, they can't resolve the problem. Had me call local repair. He thinks it may be the power supply. He said he would order one. That was before I discovered it was the wireless signal causing it to turn off and on.
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Jun 14, 2012
HandPunch 3000 Time & Access Device, no Communication over the Ethernet, on the Ethernet Card the red light flashes for 1sec then red & Green for 1sec.
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Aug 29, 2012
So saturday, my friend and i build my computer. Everything worked just fine that day. Sunday i had no problem connecting to the internet. Sunday is also the day i set up a password for my admin account.
Now when i came back from work monday, i tried to log in to my computer. As it appears, i forgot my password... (same i use on everything, so i must have messed up inputting my pass)
So i did a windows reset, since i had no CD or USB to reset my pass. I tried installing windows, and it appears 'this copy of windows is not genuine'. I thought, okay, no prob, as long as i have all options.
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Feb 1, 2011
I had a requirement where I have to send the internet connection over 100m.As Ethernet supports clear transmission only upto 100m, I came up with this new idea (only in papers untill now). I believe RJ11 cables (normal telephone line) would be able to carry signals over longer distance as in ADSL broadband. plug the Ethernet cable which is already connected to internet source into ADSL modem. This ADSL modem will be connected to another ADSL modem which is at a longer distance away(let us say more than 100m or so.) The output of the latter ADSL modem will be connected to a computer/router which requires an internet connection.
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Nov 22, 2012
I got a new modem from the cable company Arris TG862G. This is a wireless modem and I had them set everything up on their end which is now after 2 hours with them on the phone working fine. The problem I'm having is somewhere in my computer is my guess and their guys didn't know which way was up so i gave up on them fixing my issue. So here I am. I have a custom built computer that is using a Gigabyte mobo and has been working fine with the on board Ethernet card before now. I used to have the desktop plugged into an Arris modem via a Belkin router and this set up worked fine. I also took the current modem and plugged it into the Belkin N600 router and then to my computer and to my complete bewilderment it worked fine. I wanted to get rid of the router so I could see if I could get faster download speeds (That initial issue being on speed tests I get 50mb/s and on actual downloads I would only get 5mb/s).
I got it to work (I have no idea how) for about 20 minuets. When I restarted the computer it stopped working. I am now back to square one which is the desktop not even recognizing that there is a cord plugged in. I know the cord is fine and the ports are fine as well that isn't the issue. My laptop connected just fine to the Ethernet cord with no issue. I have uninstalled the Belkin software to see if that was the issue and no change. Everything wireless works just fine, it is just this Ethernet connection that is FUBARed, and again ONLY with the desktop.I am running Windows 7 ultimate. I am about to QQ and just deal with the 5mb/s downlods because that's not terrible but I got greedy.I was messing with the Ethernet wire some and it started picking up the router but never tried to connect to the internet, I'm going to try other wires but I don't think that's the issue.
OK so another update ladies and gents: my desktop has been on for about 40 minuets now and it is connected to the modem. I have done nothing to it that would cause this and it just randomly happened. Short of never turning my computer off again which would be hell on my power bill what can I do to fix this problem? On speedtest.net I'm only getting 30.48 Mb/s and as I said earlier I should be getting around 50mb/s (which is what I get on on the wireless laptop). I just restarted it and it wouldn't connect to the modem again.
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Sep 16, 2011
watch netflix on my tv,which has netflix,but has a Ethernet connection,and must use a rj45 cable,can I change it over to a wireless signal,so I won';t have to use a cable?
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Jan 17, 2012
Just got home from the Comcast store with a $7 rented modem just to last me until I do research and purchase one. I realize that this modem has only one Ethernet port with no WiFi support so I have another PC and a laptop sitting idle because there's no internet access. Did a quick search using Comcast's authorized modem's list and all of them only have a single Ethernet port and no WiFi. Is there a modem with multiple Ethernet ports with built in WiFi? I am getting almost 20mbps with a download speed of 4mb/s which is a HUGE improvement over my ATT DSL service that I've had since forever at 3mbps with a download speed of 300kb/s. I have no idea what technical specifications to look for in a cable modem to get 100% of full potential speed from my service without disconnects or other various problems.
I have a ATT U-Verse router sitting here right now, I am wondering if I can somehow connect it to my Comcast modem. I tried to connect the ATT router into Comcast modem via Ethernet cable, but I couldn't get past the "Your DSL service is unavailable" in the browser, but in my desktop system tray, it shows I am connected to the internet. If I could use this router, I would rather spend money on a modem instead of getting a combo.
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