Lost Wired Network Connection Overnight
Aug 19, 2012
I have two PCs cabled directly to a Netgear WNDR4500 router. This morning, my Windows 7 PC had no network connection when I turned it on. These computers don't get moved, I wasn't messing with the cables beforehand. Everything was fine yesterday.The Troubleshooter suggested I had a broken cable. I tried another cable, but it still would not work. I connected the Windows 7 machine to the same router connection my XP machine uses, but it still did not work.Device Manager reports the Network Adapter is working properly. The system tray network icon reports "Not connected/No connections are available." The Troubleshooter reports, "A network cable is not properly plugged in or may be broken." I tried disabling/enabling the Local Area Connection, but it still reports "Network cable unplugged." My gut feeling is that the Ethernet jack on the motherboard is physically broken. But it blows my mind that it would break for no reason.Could an automatic update of some sort disabled networking in a way that it only appears the cable is bad? Could the physical connection at the back of the machine spontaneously break? I suppose I could go buy a network card, which would be cheaper than replacing the motherboard. I'm gonna get cleaned up and head to the store now.
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Jun 16, 2010
The wireless is one I share with my roommates and is fast. The wired NIC connects to a router which has slower internet. The reason I connect to the wired router is so my PC can talk to a linux machine, which I use for some data downloading/analysis.I want to disable internet from the wired connection but keep the ability to talk to other machines on the wired network. I just changed the IPv4 settings and deleted the DNS server information. Is this the best way to do so? I want the wireless to provide internet.
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Nov 11, 2010
For some reason my router and modem will not show correctly on my dell inspirion one desktop. Im running windows 7 and here are the net work connection deatils
Connection -specific DNS Belkin
Description Realtek PCIe GBE Family Controller
Physical Address 00-00-00-00-00-00
DCHP Enabled Yes
Ipv4 Address 192.168.2.2
Ipv4 Subnet Mask 255.255.255.0
Lease obtained Wednesday, November 10, 2010 9:45 PM
Lease Expires Sunday, December 18, 2146 4:17 AM
IPv4 Default Gateway 192.168.2.1
Ipv4 DHCP Server 192.168.2.1
Ipv4 DNS Server 192.168.2.1
IPv4 WINS Server
NetBIOS over Tcpip enabled Yes
The Connection was working about ten days ago and then suddenly stopped and read as an unidentified network no internet access. at one point is was not receiving packets but now it is but it still says no internet access on the IPv4 Connectivity. Media state is also enabled and the speed is 100.0 Mbps when i troubleshoot it says windows cant identify problem but in the details it says default gateway is available. when i use the cmd prompt ipconfig/all my local ethernet adapter has a physical address of all zeros.
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Nov 25, 2009
My desktop has recently been upgraded to Windows 7 Ultimate from XP. I set up a home group at another location, then returned the desktop to my normal connection. The wireless card I used was a D-Link that is XP compatible only, and I found this out after attempting to install, then I checked on it later. I deleted the driver, and tried a Netgear WT111G USB wireless card. Install failed, and I went online to look for a compatible driver.
I downloaded a driver, installed it, and the wireless card was detected, but could not connect to the internet. Uninstalled the driver, and tried plugging into Ethernet, and cannot find my home connection. Can only get into network settings (home,work,public).
Has any one here heard about this problem after creating a homegroup? Trying to troubleshoot, but it's a specific problem I'm not familiar with as of yet.
The faulty drivers are no longer on the PC, but it's still unable to find a direct wired connection.
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Jul 22, 2011
I had problems with my computer not connecting to the network sometimes after restarting my computer. That was usually fixed by simply unplugging and replugging into my outlet. I have a hard wire connection and my ethernet cable gets plugged into the wall and connects to the modem/router (whichever it is) from there. After I reset my computer this morning though, my computer has absolutely refused to connect to the network. I've tried resetting the router/modem and unplugging and replugging in my Ethernet cable. I noticed however in the network center it showed me connected to Network 8 (my standard home connection) for a few seconds but then it changes to unidentified public network and breaks connection to the Internet. Wireless is working fine and I'm infact typing all this on my iPhone 4.
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Jan 12, 2012
I have a hp compaq laptop and am able to use the wireless internet connection..however I also have a Dell Inspiron notebook, a few days ago I lost internet connection on the dell but the HP was still connected. I have contacted my internet provider and they say there are no connection problems and all is fine. They think the problem is on the dell unit. I have tried disabling and enabling the Lan and wireless network connection. The system recognizes the wireless router but wont connect to it why and what can I do.
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Jul 23, 2012
Recently the power went out in my house. Ever since the power has come back on, I haven't been able to use my wired internet connection. When I look at my devices, my Intel 82566 Gigabit Network Connection has the status "This device is not working properly because Windows cannot load the drivers required for this device." I've tried re-installing and updating the driver, but I can't tell whether I've done this successfully. In any event, it still doesn't work.
I have a Dell XPS 410. Let me know if you need any other information.
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May 22, 2011
i'm having trouble getting onto the internet with my wired settings on my desktop. I usually have it connected through wireless (I have a pci-e wireless card), but when i try with my ethernet cable, it doesnt connect. I have two OS's installed on this computer windows 7 and vista. I have tried to on both windows to get on the net, but to no avail. I have tried the diagnose and repair, but it doesnt fix anything. It does however, says "Windows cannot connect to the primary DNS Server" or something like that.
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Jul 6, 2011
I have AT&T U-Verse with a 2Wire (3801 HGV) router. I've had the service for about a month without any issues. As of now, I am able to connect to the internet using WiFi (via my Wii, iPhone, and Laptop), but when trying to make a WIRED connection (via ethernet cable from the 2wire router directly to the PC), all I get is a yellow icon.
If I unplug the ethernet cable and plug it back it, the blue circle appears for a while, then back to the yellow error icon. In the Network and Sharing Center, I am showing my PC with a broken connection (yellow triangle) to "Unidentified Network with a broken "red X" connection the Internet. I thought maybe it was the ethernet cable, so I tried a wired connection from the router to my laptop (also running Windows 7) and it works just fine, so I've determined it must have something to do with the PC itself.
I've tried doing a system rollback, resetting the router itself, made sure the network driver on the PC was up to date and ran the test to make sure it's working properly.....all with no luck. I've tried using Windows to diagnose the problem and I get "Problems Found: Local Area Connection doesn't have a valid IP configuration". What baffles me is it was working fine up until a few days ago.
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Dec 22, 2011
Background; home built computer 8gb ram all tested individually, 1.0tb hdd tested, popped in new 1.5tb hdd, tested power supply, 5 fans (no overheating issues), popped in new network card, tested disk drives.Computer runs Comodo firewall, Avast antivirus, and tune up utilities. I was online one day and 20 windows opened up at the same time computer rebooted bsod. that day computer rebooted about 10 times. at first i was able to go online but soon afterwards no internet connection (red X on icon).I tried to scan and the computer would reboot in the middle of scan (All different types of scans safe mode safe mode w networking normal). I was on the ph w a tech from avast for three hrs we ended the conversation by him telling me to internet provider, did that spoke w that tech for two hrs. I uninstalled avast. Every time the computer starts comodo message comodo does not seem to be started or installed. fix doesn't work. I kn it is my computer that will not allow a connection to internet. I cant release /renew rpc server unavail So I took out hdd and put in a new one to do a clean install no luck win 7 enterprise error 0x80070570, 0xc0000005, then it said 0x7717b099 ref memory at 0x774ae76f memory could not be written. I decided to put old hdd in and combat the problem. Message Diagnostics Policy Service not running.
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Jul 1, 2012
I am currently at a hotel and am using their wired internet connection. Everything has been working fine until this weekend when I find that the connection keeps dropping out...specifically:
1) Unable to connect when I plug the network cable into computer on startup...have to plug and remove a couple of times till it connects.
2) Connection drops out every 5-10 minutes or so....have to either unplug and replug cable or enable/disable my network adapter on my laptop a couple of times for it to start up again.
3) The connection problem affects random programs but always internet explorer. I can be on yahoo messenger and msn messenger and even an online game and they won't be affected when the connection drops and internet explorer goes out. However, if I log off any of these programs, then I will have a problem getting back on until I repeat the connection methods listed above. Additionally, some IE pages will continue to function for a while if I click the links in them...just cannot access any new pages...
4) sometimes the connection will drop out but it will show that I am still connected in my taskbar at the bottom of my screen.
Everything else on the computer seems to be working fine, wireless also seems to be working too.
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Jan 15, 2012
my buddy has a laptop issue when its a wired internet connection. when its wireless, it has no problems with the internet, everything works fine. but when its wired, webpages will still load, but Internet videos wont work, anything that consists of streaming doesn't work, and he cant even use logmein. i have connected other laptops to the same cord and there is no problems. so i know its not the cord and i imagine its not the router since everything still works fine with other computers.
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Mar 19, 2012
I have an HP computer, with Windows 7 64-bit, about 4 days ago, my desktop's internet connection will continually drop out and come in ever 30 seconds or less.I have ran norton constantly and ran malawarbyte twice with full scan. My connection allows me to get online, but with the connection constantly dropping, i cant watch any videos because the connection will cut out and when online internet explorer will come up saying cannot display web page. Ive tried google chrome and media firefox and both have the same problem so i know its my connection and can see it dropping at the bottom right of my screen. My router is NVIDIA nForce 10/100 Mbps Ethernet.
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May 3, 2011
When I'm disconnected, I lose all connectivity both to the internet and on the local lan, so pinging (for example) Google will time out, but also pinging 192.168.1.1 (the router's lan ip address) will also time out
Fix : Start -> dev manager -> network adapter. Double click, open her up and then under "advanced", take a look at "Link Speed & Duplex".
If this is set to auto-negotiation, try re-setting it to 10 or 100mbps Full Duplex, re-start your computer.
It's the network driver that costs me hours of hunting & searching. MOTHERBOARD : ASUS IPIBL-LB Integrated LAN : Realtek 8111C 10/100/1000 Mb/s (Gigabit Ethernet)
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Mar 20, 2012
I have an HP computer, with Windows 7 64-bit, about 4 days ago, my desktop's internet connection will continually drop out and come in ever 30 seconds or less.I have tried to reset my router and modem and it did not help. I have ran norton constantly and ran malawarbyte twice with full scan. My connection allows me to get online, but with the connection constantly dropping, i cant watch any videos because the connection will cut out and when online internet explorer will come up saying cannot display web page. Ive tried google chrome and media firefox and both have the same problem so i know its my connection and can see it dropping at the bottom right of my screen. My router is NVIDIA nForce 10/100 Mbps Ethernet.
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Jun 19, 2012
I have been trying to set up a router at my girlfriend's apartment. I first tried a Linksys router that I had brought from home. I hooked it up from the wall port, to the router, to my computer. I was able to access the normal Linksys wireless setup page at 192.168.0.1 and set up a network fine. I then unplugged my ethernet cable and attempted to connect to the network and was not able to. If I recall, it 'connected' but there was no internet connection.
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Oct 4, 2012
My Dell Dimension C521 died on me maybe 6 months ago. It has Windows XP on it.
I put it to the side and bought a HP Pavilion G7 laptop to replace it with, which came with Windows 7 Home Premium. From what I remember I just plugged my ethernet cable into it at the time, and I was able to use my Virgin Media connection straight away, didn't have any problems.
So last week I finally repaired the old Dell and I've been using it for about a week now, while the new laptop sat unused in the other room. Now, today when I try to use the laptop again to connect to the internet, it doesn't want to play ball; troubleshooting the connection comes up with 'The default gateway is not available'.
I didn't change anything or do anything, I just didn't use it for a week and now it won't connect to the internet. The only difference I can see is one machine is XP and one is Windows 7...
I used the Windows 7 recovery disc to reinstall the OS hoping that would fix it (after a few system restores failed to address it), but no luck. When I ping my default gateway as it's shown in ipconfig, it comes back 'Request timed out' 3 times, then 'Destination host unreachable'.
"Tunnel adaptor 6T04 Adaptor: cable.virginmedia.net" doesn't have a Default Gateway listed, is this somehow relevant?
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Feb 4, 2013
i'm having an issue where my internet connection will seemingly drop for a split second, and then reconnect.for example, i will be signed into irc and will have a momentary drop in connection which boots me out, and then i will instantly reconnect.another example would be when watching a streamed video (Internet). i will be watching a video and then the buffering would stop, until i manually navigated to a couple of seconds later, and then buffering would continue.a final example would be in skype, where people are constantly getting connect/disconnect notifications from me.i've had a go at pinging google (-t) to see if it sheds any light on the frequency of disconnection. it has an average ping of about 35 ms, and will occasionally spike to roughly 130-150 every 7 lines or so. but other than that it has no difficulty pinging at all.
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Aug 16, 2012
i recently bought a samsung n102s netbook. It came with windows 7 starter on it, on which wired and wireless connections worked fine. Then I installed windows 7 professional, on which I could get a wired connection, but only a very slow wireless one. Now, I've replaced professional with Windows 7 Ultimate, and my wireless connection works fine, but I can't get a wired connection. When I plug an ethernet cable in, the icon in the system tray doesn't change to the square "wired connection" one, it just stays with the wireless one. The "wired connection" icon appears briefly during startup, only to be replaced again by the wireless one.I've tried to update the drivers for the ethernet controller, which is type Realtek PCIe FE Family Controller, but to no avail; the wired connection is not picked up.
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Jan 31, 2011
I have all of my computers (4 of them) hard wired into the router. Then the other day my step-daughter needed to print something out from her computer that had a program on it that mine did not have and my computer is the only one with a printer (the kids 10 and she'll print out anything). So I created a home network so I could enable printer sharing and then the problems started.Now the internet on my machine and my machine only keeps losing my internet connection only when I wake up this machine from sleep mode (I guess it is going into to sleep mode) It is fine when I first turn it on in the morning (because of this problem I can longer just keep it on all the time - I have to shut it down at night). Anyway, if I walk away from my machine for a period of time, when I come back and wake it up it loses the internet connection and then everything is slow. So I have to shut it down and then when I restart it - everything is fine!
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Mar 27, 2012
I have had my computer for 3 years and it has worked great, i got a new router bout 4 months ago and it works great. about 2 weeks ago my desktop's connection which is wired, basically stopped working. It lets me get online, but the connection either keeps dropping or just doesnt work. Ive watched my connection and it will disconnect alot and instantly reconnect. I can get online but my page takes half a minute to load, and sometimes it just wont load and say it cannot connect to the web page. I have tried google chrome and media firefox and they dont work either. I have reset modem and router many times and that didnt help even a bit. I have switched routers and that didnt help either. In networking safe mode, my connection is completely stable and it runs fast and loads everything. I have ran norton and malawarebytes many times and my connection is still unstable. I have stwitched ethernet cords too and that didnt help either. I have two labtops and a ps3 and their connection works completely fine so it would just be my computer. Since it runs great in networking mode, it might be hardware but i dont know what. It might not be hardware though because i am nowhere near a computer knowledgable.
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May 6, 2012
I've been having internet connection problems for the last couple weeks, i moved my entire setup closer to my router, and i still had bad internet. I searched around my house a little bit and found ethernet cables, i connected them and everything but, windows doesn't seem to detect them (well it does but it doesn't use it as the connection)
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Dec 3, 2011
I formatted both my laptop and desktop computer. When i did with my laptop, everything was great. Wireless still worked. Of course i have my linksys router connected to get the wireless.
I then formatted my desktop. Its a dell. When i did this, everything seemed great. However, i noticed that if i remove my wireless router and just connect my cable modem wired, it works. However, when i connect my wireless router, then my wireless internet works but my WIRED connection does not work. It has this message that says can't connect.
I don't think this has ever happened before. I mean, there were many times where my desktop got formatted and my wired internet worked and i could not get my wireless connection to work. But never had i had my wireless work and my wired connection not work. The one thing i did this time was after i installed the drivers with my windows cd, i then deleted the old windows file that was about 25 gb.
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Jul 18, 2012
I've got an older Acer Timeline 4810t running Windows 7. We recently switched from Cox Cable internet to AT&T U-Verse, and I've started noticing that my internet connection will randomly go out when I am connected. This occurs whether I am on a wired or wireless connection. Specifically, I will be browsing the web and, randomly, when I try to pull up a website, I get an error indicating that I cannot connect to that website because I am not connected to the internet. When I check the status of my connection in the bottom right corner, it will show that I am connected to the internet. If I disconnect the ethernet cable (or disconnect and reconnect to the wifi network), the internet service is restored, although it continues to randomly lose connection.
I initially thought that it was a U-Verse issue, so AT&T came out and replaced the router. Unfortunately, I still got the random drops. I then thought it was a Windows issue, so I reformatted by hard drive and reinstalled Windows - still having that issue.My wife has an older Macbook and does not have this problem. We also do not have this problem with any of the tablets or phones that connect to the network wirelessly.I am beyond frustrated and do not know what to do. I also don't know if this is a sign that my laptop is at the end of its life, which would be unfortunate since I've only owned the laptop for about 3 years (my last laptop, a Dell, is on year 7 and still churning).
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Dec 29, 2009
I've been searching around for a fix to my issues but I cant seem to find one so Ill try just taking a stab in the dark and seeing if anyone will reply.
Now..
I am using my on-board RTL8168C NIC to connect to a Netgear DG834Gv2 using a cat5 cable. My network connection state varies from full access to none at all. Sometimes I turn the computer on and it works fine, other times I have to disable then enable the NIC 5-10 times and eventually it works.....then doesn't work.
It also appears that when all the planets align,and for some reason or another I can actually get on the network...that the NIC gets "overloaded" with information then just disconnects me. Say for example, I can go around facebook and google, that sort of thing fine (when said connection is working) but say if I want to load up something like World of Warcraft it appears to break my connection.
I have tried using Gigabytes drivers on their webpage specific to my mobo, I have gone to Realteks website and used their latest drivers and I have also just used the bog standard windows 7 drivers, it appears when I do uninstall the device and then reinstall it with one of the drivers the device appears to work but then after 5-10 minutes maybe, the device fails me again.
I've been reading around and I have disabled the Bonjour service and set up the network as "Work" network.
This issue seems to come and go too. It appears to hang around from a day or 2, somehow repair itself and be fine for another 2-3 weeks and break again. Actually since Sunday I have been having this problem, Saturday I was pretty much downloading all day at my max 150kbps (Go go Australia's amazingly fast internet ) no problems at all.
We have 2 other computers on the network, 2 laptops, One using 7, the other using Vista, They do not have any issues at all.
Anyway, here are 2 IPConfig's One where my network connection is fine, The other where it is broken.
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Apr 27, 2009
Alright, so I just did a fresh install of Windows 7 build 7086 x64. Everything works just find, except my network adapters. I'll detail system specs after I explain the problem.
When i connect one of my cables, the computer attempts to identify the network. It doesnt. I check IPconfig, and it gets all DHCP information from my Linksys router, but no internet connection. I have IPv6 turned off on both adapters, as well as the VMnet adapters i use for VMware Workstation.
I attempt to ping google.com and it comes back, ping request could not find host
I attempt to ping the router, and says host unreachable.
(IPconfig data - Local Area Connection 2) (Local Area Connection 1 shows up the same with IPv4 Address 192.168.1.102)
Connection-specific DNS Suffix : oxfordnetworks.net
IPv4 Address : 192.168.1.103
Subnet Mask: 255.255.255.0
Default Gateway : 192.168.1.1
The Gateway itself sees the Win 7 computer, but when i ping from the router to 192.168.1.103, it times out.
Also, I attempted to update the network drivers using the Intel Pro v14 Vista x64 drivers, and the installer wouldnt let me install the drivers because of "software not built for your operating system".
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Aug 10, 2011
The output of the "print route" command on my Win7x64 system is shown below.The wireless adapter has been assigned to 198.168.2.72 by the router and the Gigabit wired connection has been manually assigned the static address 198.168.2.8The strange thing is that the gateway metric which I believe is used to decide which connection to use is 25 for the wireless connection (i.e. fast) and 276 (i.e. slow) for the gigabit wired connection. But I expected this to be the other way around. Why does it think the wireless onnection is faster? Does this mean that network traffic is generally routed thru the wireless adapter? Is there a way for me to tell which adapter is being used to route traffic?Should I believe its reported speed, or should I force the metrics so that the wired connection is used by default. If so, what commands are used to force this priority, and do these commands need to be repeated after every boot, or are the permanent?
[code]...
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Feb 2, 2011
Im using a Vodafone dongle so no router. I have connected the two via ethernet cable and the connection is there but "no network access" is below the Unidentified network. tried a couple of different things but no luck.
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Mar 24, 2011
The title suggests i need to setup my networks so that they are both working harmoniously together.The reason i need this is because on the wireless side i need to connect to my router for internet access.On the wired side i need to connect to my NAS. I have tried connecting the NAS box to the router and it works but it is too slow.
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Sep 7, 2009
It takes between 45-60 seconds from the time the desktop is shown, untill the network identification is done. This is both after normal reboot, or resume from standby. After that, everything works fine. For me, that is just a long time to wait, and i wonder if someone else have the same problem? I tried disabling ipv6 and the option to power down the card when in sleep mode.
My network card is in my system specs, and i use the only driver for Windows 7 64bit for this card.
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Jan 17, 2010
I recently bought myself a new Netgear Stora MS2110 (network storage), my network situation is a bit strange. I've got my computer connected to a wireless network with internet access, and the Stora now connected to the computer by a wired LAN without internet. I just now discovered that I needed to have internet to setup the Stora, so my question is this - Can I somehow Bridge the wireless network onto the wired network through my computer? giving the Stora internet access and access to the wireless network.
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