Network Disappearing And Disconnecting Constantly
Dec 3, 2012
I have had the virgin media superhub on 30mb broadband for about a month and over the last week I have been disconnecting from my network up to as much as 3 or 4 times a minute or sometimes once in five minutes and other times it just vanishes from the network list for about 30 seconds then re-appears, sometimes when I disconnect it re-connects almost instantly other times I have to wait about a minute or sometimes even longer even though I can permanently see my neighbours network and my laptop does not have this problem.. I payed �50 for a new wireless card to try and fix the problem and it was fine for a few weeks now it is the same. Restarting the router makes no difference and this is happening all constantly over the last week without fail, i have tried updating my wireless drivers and using different wireless cards.
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May 9, 2012
It's been doing this for over 7 or 8 hours now. And no, there's no network connection, that's what the problem is here. This is a Windows XP desktop.Basically what it's doing is within a second, this icon disappears from the taskbar, then reappears, over and over again: When I hover over it, it gives me a message about not being connected. I can't get the exact message screencapped and I can hardly even read it, it disappears too quickly.Sometimes it gives me this instead, and the connection works, but only for as long as this icon is there:But it disappears too quickly for me to load any pages completely, so they always end up being incomplete pages. When I hover over this one, it says acquiring network address.When I click repair, it gets stuck on "renewing IP address" every time, without fail.
Previously the internet connection would drop occasionally, but restarting the computer has always brought it back. I have tried this countless times by now, I have tried clicking repair, I have tried resetting the router, I have tried manually removing the connection then reconnecting to it, I have tried command prompt and running through the ipconfig flushdns, release, and renew commands, I have tried logging on as a different user account, I have tried uninstalling my wireless adapter software then reinstalling it, I have tried using a different adapter [I get a different error with that one], I have ran a scan with Malwarebytes' Anti-Malware then retried all these things, but that didn't fix it either. If my brother wasn't asleep I'd be wiping the hard drive by now as a last resort. And I will be doing this first thing in the morning if it isn't fixed.
There is one other computer on the wireless network, and its connection never drops. Ever. It's a Windows 7 laptop. There are two other computers in the house, but they both connect using the ethernet cable, and those never drop, either. The two Wiis, the Xbox 360, and the 3DS also connect wirelessly, and one of the Wiis drops occasionally as well -- and it's not connecting right now, either.There is one more PC in the house, which also runs Windows XP, but I haven't gotten it to connect in weeks and I've pretty much given up on it. It'd be nice to get that to run, too, since I have to share this computer, but it's 7 years old, it's just too old and is stuck on "acquiring network address" with either adapter, if I'm remembering right.
This is everything I know. This problem is still occurring, and it just occurred randomly today, while the computer wasn't even in use. I can connect to the internet with a wired connection, but stretching the wire across the house isn't something the homeowner wants me to do, so I can't keep it permanently, as much as I desperately want to.I looked around at a few other threads and there was some sort of Wifi program I can install? But it won't install. Or rather, the .net framework is what's not installing. So I guess I can't use that. Hope it makes finding the problem still possible though, this is the only computer I have left since my other one won't connect anymore either.
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Dec 31, 2012
The network is constantly disconnecting from my devices and wont let me reconnect...I reset the network completely back to factory settings and started from there. Some of my devices didnt want to connect at all after the complete reset.These are the settings that I have changed: SSID has been changed,wifi security(wpa2 personal,AES) ,channel(width=20, channel=auto) ,DNS server(changed to Norton DNS: 198.153.192.40 & 198.153.194.40) & router management logon password & firmware upgrade to 3.0.03...
Router:Linksys WRT160N V1
Firmware:3.0.03
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Jul 4, 2012
I am connected to the router with a cable , a router which my internet provider supplied me with.The problem used to happen before , occasionally , but the disconnecting has drastically increased lately , and these days it has become unbearable , it occurs at least once every hour , especially when i'm playing a game online or so.The disconnects last very shortly , or until i reset my router or disable/enable my network in network connections.I have 2 more laptops in the house , connected via wireless , and they've had no issues with this.The first time these problems occurred i was able to fix it just by doing the windows troubleshoot, which lead to an error saying "Default gateway is not available".I found a lot of threads on the internet regarding this issue , and tried all of them but none seemed to work.
I tried downloading newest drivers from my motherboard site first , then from Realtek's site, then deleting old drivers via DriverSweeper aswell , just in case , but it did nothing.I tried changing the Speed & Duplex to 100mbp/s Full Duplex , which has solved the issue for some , but again it did nothing.I called my internet provider , was told to use static IP address and type it in manually and if it didn't work to try plugging the cable into another slot on the router ,And after all those things , i feel like the problems is even bigger now. I now no longer get the "Default gateway is not available" error , and the only solution is to reset router or disable/enable network , which leads to the network being "unidentified" for some time before it connects.
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Jan 8, 2012
i recently reinstalled my Windows 7 and im having wireless problems now which is didnt have before.I now takes along time to load pages and randomly disconnects. It has the exclamation mark next to the 5 bars of connection. Im currently sitting on 4 bars which is normal but it is really frustrating especially when im trying to do my project that it just keeps disconnecting. I use the RealTek 8185 extensible 802.11b/g wireless device.
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Sep 1, 2011
I have recently built a new computer and now I am having trouble with my network connection. When I was done I directly connected it to my 2wire modem with the Ethernet cable.There was no connection until I downloaded the LAN driver from the CD that came with the motherboard [ASUS M5A88-V EVO ATX]. It worked for a few days and then the connection just started dropping. The trouble shoot in Windows 7 fixed it - but only for a while until it didn't work at all. Restarting the computer restored the connection and usually gave me about a few hours to work with, but a few days later all I had were a few minutes. Other than this computer I have two laptops [Windows 7] and a desktop [Windows XP] which the internet runs smoothly on when hardwired to the modem and I didn't have to install anything. Some messages I get from the trouble shoot are:LAC doesn't have valid IP configuration Default gateway not available Unidentified network?
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Jul 17, 2011
I've been having a problem the past several days with my wired connection where every 2-3 seconds it will disconnect, then reconnect, then disconnect, and so on without stopping. There doesn't seem to be any reason for it, and it's not the internet connection but rather the physical connection that seems to be lost (the network will do the entire identifying...unidentified network > identified network thing).
Naturally, I've already tried upgrading my network card drivers + uninstalling/reinstalling when it didn't work. I've powercycled the router/modem and rebooted the comp, but I can't find any way to fix the issue. It's not a problem with the router, since this only happens on my computer, and the other computers connected to the router have no problems at all. Even if I disconnect the router and connect my computer directly to the modem, it still has the issue.
Normally I'd assume it was something wrong with my network adapter, but my computer has no problems connecting to a new router/network it's never been on before. This only happens with networks that my computer has connected to in the past.
Recently I've just been using the wireless connection since it was only the wired connection having issues, but a few days ago my wireless connection started doing the exact same thing. It'll disconnect/reconnect ad infinitum without stopping every few seconds, so it's impossible to get on the internet.
Here are the results of my ipconfig:
Quote:
C:UsersOwner>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : MainComputer
[Code]....
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Jul 18, 2012
So just a few days ago my router has started to just constantly disconnect and reconnect itself to my computer. It is a wireless connection, and it will disconnect and reconnect for a short amount if time within just a few minutes. Ive tried power cycling my router and modem but the problem still persists
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Jul 7, 2012
I got my WAG120N like 5 months back. Last night it started to disconnect randomly like at 5 - 10minute intervals.... The connection to the internet connects and then disconnects within 5 seconds. I've tried resetting, firmware upgrading, restoring settings and all that with no success. (I'm referring to the wired connection used for my PC and not WiFi)
Here is a copy of the log
Sat, 2000-01-01 05:06:57 - Adsl is connected
Sat, 2000-01-01 05:07:03 - Initialize LCP.
Sat, 2000-01-01 05:07:03 - Plugin pppoe loaded.
Sat, 2000-01-01 05:07:03 - PPPoE Plugin Initialized
Sat, 2000-01-01 05:07:03 - Plugin pppoe called.
[code]....
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Jun 20, 2011
I have a USB Netgear WN111v2 that has been working perfectly up until now, it can't connect to the network and trying to manually set up the addresses, reinstalling drivers, and trying a system restore haven't worked. Even though the router has a lease for the computer on 192.168.1.11 it's doesn't work, although it will show that it's connecting, it won't ping anything, including the router... WZC utility is stopped?
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Oct 7, 2011
I have been using this for over a year with no problems and a couple of days ago, it started disconnecting and reconnecting constantly. I went and updated the firmware for it, but still the same problem.
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Mar 23, 2012
When I map a network drive it disappears every time I reboot my computer how I can keep it from disappearing? I am running Windows XP Professional
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Apr 26, 2011
Running OS X 10.5.8 on an old MacBook Pro on a wireless network. It might be relevant that I recently upgraded the wireless router and the DHCP-assigned IP addresses changed. Before that, everything worked reasonably well.
I can connect to the MBP from Windows 7 computers on the network, logging in with a user name and password, and access the files there as expected.
But the MBP disappears from Windows Explorer after a few minutes. I can usually add it back (always checking the box to remember it) but it just keeps disappearing. Sometimes when it disappears, I can't add it back and when I try, Windows Explorer says, "can't find."
How can I get this share to stick?
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Dec 13, 2011
I have new DIR-615 D-link router. Since we installed it the network has disappeared randomly off the available networks list, and when I try and open Google Chrome it says there's DNS error. Troubleshooting through windows networks doesn't work because it can't find any problems since my network doesn't even show up on the list. We've even done a factory reset and the problem persists, and it does this about once a day. Resetting the router temporarily fixes the problem. This problem is happening on all 3 laptops in our home, two of which run windows 7 and one which runs XP.
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Jun 25, 2011
Desktop
Windows 7 64-bit -> cable directly to router
Laptop
Windows 7 64-bit -> wireless
Laptop
Windows 7 64-bit -> wireless
Playstation 3
-> Wireless
Xbox 360
LAN cable from router to 360
Scientific Atlanta 2203C modem to a Cisco Linksys E3000 wireless router.Ok, so if I turn everything on I can see all computers from all computers, but after a few hours/days (random time) everything disappears, and I have to unplug the router and then everything is back. Is there a way to stop this, and just have everything just be there all the time?
Code:
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersJohn>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : John-PC
Primary Dns Suffix . . . . . . . :
[code]....
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Jun 7, 2012
So he has a Laptop which keeps disconnecting from his router but the time between the disconnects are completely random, sometimes it will be 10 seconds and other times it will be 4 hours.I have tried to sort it by the obvious ways of updating drivers, repair connection ect but nothing seems to work. Even when connected via an Ethernet cable the problem persists.I have kinda contained the problem to his laptop or the router they are using because the other laptop they have never disconnects and works perfectly fiine.
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Aug 4, 2011
I've used 3 operating systems, windows 7 started, ubuntu, and Jolicloud. On Ubuntu and Jolicloud, in order for the internet to work properly, I have to ping a website. Lately, that hasn't been working, It will give me the message "destination host unreachable" or it just stops but when I refresh the network, it starts to work again.
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May 8, 2012
We have a wireless router with about 8 devices connecting to it at any one time. For some reason, 1 laptop constantly loses internet service, it's still connected to the network but it's "local only" connection. Restarting the laptop doesn't solve the problem, only restarting the router.Now, I know very little about this kind of stuff, but to me it seems like an issue with IP addresses? It currently happens at least once a day.
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Jun 7, 2011
We have a modified hosts file on each of the computers here at work. This way we can have multi servers, in multi locations that can all be used by everyone for email & our finance program.However, there is one user who the hosts file keeps disappearing. Over the last 2 days it has disappeared 3 times (at least).The user has ran the symantec corp antivirus (at least a couple of times). All risks found have been quarentined and deleted, ran again and nothing found. Also ran Malwarebytes, which was clean. And ran ComboFix.At this point the hosts file has been fixed after running ComboFix.
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Jun 16, 2012
I recently purchased a newer Netgear wireless router ($50 or so) to replace an old one because I was constantly having to reset it to successfully get an internet connection on my computer, my phone, and our wireless printer. Now, the computer and phone have no problems picking up the network, but I always have to reset the router to get the printer to pick it up.
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Dec 3, 2012
i lose internet connectivity constantly although i still have WLAN connectivity. my connection is lost every 5 to 20 minutes. it dropped my connection in the middle of an A+ exam troubleshooter is useless. sometimes it says DNS unavailable. sometimes it say default gateway unavailable. but when i run ipconfig, DNS and Gateway fields look fine. it's happened when connected to my wireless cable modem (Ubee brand) the wireless hotspot on my mobile phone (an HTC myTouch) and now on my Clear Wireless portable wifi hotspot (Apollo model)[code]
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Aug 6, 2011
I've had a strange problem with my laptop for quite a while now. From time to time, my entire wi-fi capability vanishes. The green wi-fi light goes off and my Intel PROset/Wireless tells me that I do not have a wireless physical adapter installed.From there, I go to Network Connections. Sometimes, I can hit "repair" under Local Area Connection 3 and after some struggles, the green light will come back on. However, sometimes when I go to Network Connections, I cannot repair the Local Area Connection, because the 1394 Connection is no longer even listed and, from all ways of searching, doesn't even exist on my laptop.In that case, I have to restart my laptop. Sometimes, a restart works and the wi-fi capability magically returns. Sometimes a restart does not work, and I have to power off, wait, and power back on my laptop. And sometimes, I have to keep rebooting SEVERAL TIMES in a row before I get wi-fi back.
I'm not sure what to do for it, nothing has changed with the router or the location of the router. My laptop will be fine for a couple of weeks, or I may lose wi-fi ability a couple of times in a week or so. However, at the moment, I lose my wi-fi adapter frequently, often every two minutes to perhaps every ten minutes. It has "acted up" this badly only once before (probably a month ago), and I just keep rebooting for a couple of days until everything seemed to calm down. However, I can't keep just restarting my laptop every five minutes
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Oct 5, 2011
I have a Pix 501 vs. 6.3(3). I have made changes to some Access Rules that made other rules disappear. When I try to recreate them I get an error that includes "Possible duplicate entry" statement.
The rule appears to be active, so how can I resurrect it in my Access Rule list?
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Sep 24, 2011
I'm trying to diagnose & repair a problem with the built in wireless adapter on a gateway NV53. The OS is 64 bit Win 7. The computer isn't mine, I was just trying to repair it for a friend. Initially, the wifi worked fine; the disk drive seemed to have a bad laser or something, sometimes there were problems with printers, it was slow to start, etc., so I thought I would just backup everything, "restore to factory defaults" (reformat & reinstall OS from hidden partition), then copy everything back / reinstall programs. I wanted to reformat just to clean it up, etc. After reformatting and updating windows to the latest version, it seemed to work fine (I hadn't tested those other problems, they are unimportant). However, after the computer is on for awhile - anywhere from a few minutes to a few hours - the wireless adapter suddenly can't see any networks. There are several networks in the area, so I know it isn't a problem with my router (also, other comps. can see them all still) After awhile longer, the wireless adapter disappears completely from device manager. I think that when it initially loses track of all the networks, the mouse, typing, etc. slow down and have jerky movement for a minute (may be incidental). When I restart the computer, the adapter works fine again, but of course, only for awhile.
Things I've tried:
-Setting the power settings on the adapter (don't allow power saving to turn this off.. box)
-reformatting
-updating drivers
-updating windows
-running antivirus
-uninstalling the antivirus
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Aug 26, 2012
I am trying to set up a pair of 1941 routers in a HA configuration to act as L2L VPN gateways. The active router of the pair should distribute routes to the remote destinations using OSPF to internal routers. The VPN part is working fine and the routers are correctly advertising routes to internal hosts, however my problem is that when an IPsec sessions disconnect, the routes disappear and therefore internal hosts cannot reestablish a connection. If the remote end establishes a connection, the routes appear again and connectivity is restored.
My setup is as follows: (ASA) --> (pvpn01 & pvpn02 HA pair) --> (internet) --> (remote peer)
The other router in the pair has exactly the same config except with different interface IPs. The remote end is configured to talk to the HA address
91.216.255.248.The VPN routers are both running IOS version 15.0(1r)M9.
When I initially boot the routers, the route for 192.168.66.0/24 appears in 'show crypto route', and is advertised to neighboring routers. If I ping an address on that network an SA is established and stays active as long as there is traffic flowing. pvpn02#show crypto route
If I then stop traffic flowing over the tunnel and wait until the IPsec SA lifetime is expired, the route is deleted from the system routing table and therefore not distributed by OSPF. The result is that internal hosts cannot reestablish the tunnel as the other routers have no route to the 192.168.66.0/24 network.
Is this a bug, or is there another way to get the RRI routes to persist on the active router?
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Jun 23, 2012
I was looking at a Wireshark capture off my Windows XP box, and I noticed a rather curious behavior. Every 1-2 seconds, the machine sends a ping request to my Linksys WET610N wireless network bridge, which the Windows box connects to the Internet through.
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Aug 17, 2012
The original network had a Zylex router, Netgear Switch. There was 2 pc's, one XP and Win 7. There is also 3 tills connected too. There is VPN network connected too. This emits a wireless signal to connect to a scanning gun and is also used to administrate the entire network. I was told by the Administrator of that network that it shouldn't interfere with the wifi network.
The job I was requested to do was to install 3 new wall plates as the Win 7 pc was using a Belkin wireless adapter. There was 2 put inside the office where the XP and Win7 pc's are located. The 3rd was just outside the office.
Now all the ethernet connections work 100%. The wifi is another story though. It will show up in the connect too, when you try connect it will disappear/no response from AP/connect then disappear, these are random too. No order to when each is error is displayed. Even when I put in another router the exact same issues happen.
I have tried to connect to both routers wifi when it wasn't plugged into the switch. Just the router's turned on with no cables plugged in separately of course, no joy same issue with both.
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Oct 29, 2012
so my son has been playing xbox for way to long and i am trying to get him to go outside. i want to block the xbox from the network so it disconnects him when he goes on for to long. is there any program that i can use to do this so i dont have to manually take the Ethernet wire from his room every time.
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Oct 6, 2012
So I just bought new laptop. Everything was fine, wireless was working fine until now. My wireless started disconnecting. Tried on old laptop - everything cool. On new laptop - it keeps disconnecting.
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Sep 23, 2011
The problem is my wireless network keeps disconnecting once in a while (approx. every day or two). When it goes out, eventually I am unable to connect any of my desktops or laptops wirelessly until I power cycle the modem and the router. But the ones connected by wire work fine.Here is what Ive gone through to trouble shoot:I called my ISP provider, and they said if Im not having problems connected directly to the modem they It works for weeks connected directly with no problems.I called the manufacturer of the router, and they said since it works by wire, and m able to get a connection wirelessly, it not their issue.I upgraded the firmware on the router.I went through 2 different brand new routers (Linksys and DLink), and also tried new adapters.
I tried changing the location of the router, even bringing it 5 feet away from the desktop.I tried playing around with the settings of the router (channel)I even upgraded my Internet connection to 35 mbps which comes with a new modem/gateway which acts as a wireless router too. The new gateway also loses wireless connection.I don know what to do as I ruled out everything. Its not the ISP problem, its not a router issue, and its not a specific computer problem. I just dot know what to do. I really don want to run cables to all of my computers
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Feb 12, 2011
My wireless keeps on disconncting why
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Sep 15, 2012
The original network had a Zylex router, Netgear Switch. There was 2 pc's, one XP and Win 7. There is also 3 tills connected too.There is VPN network connected too. This emits a wireless signal to connect to a scanning gun and is also used to administrate the entire network. I was told by the Administrator of that network that it shouldn't interfere with the wifi network.The job I was requested to do was to install 3 new wall plates as the Win 7 pc was using a Belkin wireless adapter. There was 2 put inside the office where the XP and Win7 pc's are located. The 3rd was just outside the office.Now all the ethernet connections work 100%. The wifi is another story though. It will show up in the connect too, when you try connect it will disappear/no response from AP/connect then disappear, these are random too. No order to when each is error is displayed. Even when I put in another router the exact same issues happen.I have tried to connect to both routers wifi when it wasn't plugged into the switch. Just the router's turned on with no cables plugged in separately of course, no joy same issue with both.
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May 6, 2012
My new EA4500 works fine all day, both wireless and wifi, on both bands, but nearly every evening, the wifi signal disappears, as shown on a wifi app for my smart phone, but not on Issid on my laptop, strangely, and my PC laptop and iPad both disconnect, then reconnect. Smart phone disconnects too. It isn't like the signal drops in strength, it just goes away! I have tried various settings on modes, and bandwidths, I am using different SSID's on each band, WPA2 security with a long non-dictionary passphrase and MAC filtering. The hardwire connection works great at 30+ Mbps even when the wifi is disappearing from the wifi scanner and the wifi connections are dropping. In other words, the cable connection/modem is working fine, but the wifi radio signal stops or the SSID drops off the signal. I really can't tell, but I know it is becoming very frustrating. The old WRT54GS works fine if I put it back on-line in the evening when these things start to happen.
I have turned off everything I can think of in the house that transmits or might transmit, in case it is an interference thing. I have tried disabling the 5 GHz side, since I can't see what is happening on that band, and the last thing I tried was changing the MTU from 1500 to 1400. So far, the past evening, it was okay, but I am not confident it will stay that way.
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