LAN Disconnected / No Wireless Networks Detected?
Jun 30, 2012
I recently did a recovery on my laptop and had to put everything back to factory settings (losing all my music, programs, etc) due to a hard disk issue that I couldn't fix otherwise. After several hours waiting for the process to finish I logged onto my laptop - a toshiba, and realized that my wifi isn't working. The computer says there is an issue with the LAN being disconnected, but my router is communicating fine with other devices. Also, the side switch that turns wifi on and off is lit up (indicating that it is on) despite the fact that Fn + F8 are not responding on my computer. Generally, the laptop cannot detect any wireless devices or routers.I did another system recovery after reading about the issue, and tried turning it on and off, etc, but with no success.
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Jul 31, 2012
My friend uninstalled some programmes on his Toshiba laptop and now he can only connect to the router via an ethernet cable. When trying to find wireless networks the message "No wireless networks detected" appears. Other laptops and devices have no problems connecting throughout the house. I've uninstalled and reinstalled the right drivers for the wireless adapter, checked that the TCP/IP settings are on obtain ip address automatically, checked that the NIC is enabled in the BIOS and checked that the WLAN is on automatic in the services utilty and there is no other WZC running.
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Mar 5, 2011
I haven't had internet in a couple of months until recently when I got cable broadband and a TP-Link wireless router. The setup works fine with a ADSL cable but I can't get my laptop to connect to any wireless networks including my new router. If I run a windows troubleshooting diagnostic it says I have no preferred networks. If I go to "manage wireless networks" the box is empty and if I click "add" NOTHING happens. I can see my wireless networks in the networks box on the taskbar but when I click on them nothing happens (secured or unsecured) I'm pretty sure the problem is not with the router but maybe with the adapter or the pc itself. Others can connect to the wireless network
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Aug 2, 2011
We recently upgraded the OS X AnyConnect image on our ASA to 2.5.3051. For most people, including many others using OS X 10.6.8, this is working fine.
However, we have one OS X 10.6.8 client who consistantly sees this error:
Network Access: Unavailable - No Networks Detected
I've only seen that error when I truly did not have network connectivity; but this individual does actually have Internet connectivity, can browse the web, get email etc. The only thing he cannot do is connect to our ASA using the AnyConnect client.
I suspect downgrading the client image to the older version will fix his issue but we truly don't want to do that.
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Nov 12, 2011
I have a logitec LAN-WH300ANDGR(not logitech) wireless router, it's been working fine for months. Yesterday I enabled port forwarding, but after that I kept getting disconnected from the internet.I updated the router, but no joy.So I disabled port forwarding but I still get disconnected and now I cannot access my router's webpage [URL] the page will not load.
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Apr 12, 2011
I was able to connect smoothly to any preferred connections in my area including my own. But now, it doesn't let me connect wirelessly to any of them. Now I typed ipconfig and this is what showed up.
Ethernet adapter Wireless Network Connection:
[code]...
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Dec 15, 2012
I am not able to connect my laptop wth router... There is APIPA problem in network.
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Jan 23, 2011
my network connection has not been detected suddenly....[URL]
Windows IP Configuration
Host Name................................:user
Primary Dns Suffix.......................:
Node Type..................................:Mixed
IP Routing Ensbled......................:No
WINS Proxy Enabled.....................:No
[code]....
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Jan 3, 2013
The LAN adapter is disconnected since I'm not using it lmao. I meant the wifi adapter.So I bought this new laptop, ASUS G46vw but since yesterday I can't connect to the wifi. It connects but it shows as "Limited Connection - No Internet Access". I already went to the wireless adapter power proprieties - Power Management and unchecked the "allow the computer to turn off this device to save power" option. But I still get no internet access. [code]
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Jan 19, 2011
regarding my wireless card conecting to the internet.
Firstly what happens is I coonect to my hub which is a sky router without a problem, the internet isnt a problem and gaming and so on, but from time to time and sometimes once every 15 mins the wireless icon in the bottom of the screen says it has disconnected then a few seconds later it reconnects this may seem trivial but when i am playing games and surfing the web it gets extremely annoying getting cut off. I have tested this on another router and it is the same problem, so i know its not just one isolated router. stop the wireless connection from disconnecting randomly.
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Dec 26, 2011
This has been happening for about the last two weeks now. Before we never had any problems. So now all wireless devices keep on getting disconnected almost daily.
I have a laptop, 2 Iphones, an Xbox 360, and a Xoom Tablet that keep getting disconnected. The Desktop, which is directly connected to the router via a cable is fine and never gets dropped.
I tried changing channels, and wireless mode is now G only. Still keep getting dropped.
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Nov 27, 2012
We have WLC 5508 installed in our premises to which 80 1242AG APs are connected. Few days ago, all the APs all of a sudden disconnected from Controller and rejoined after 12 to 15 hours. when we try to investigate, there was regulatory domain conflict occur. But we didn't understand that those APs were configured with the same config before. How come they got diconnected and now rejoined without changing any configration in WLC?
Logs for both AP and WLC has been attahched here.
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Apr 29, 2012
I am using Nokia Siemens router. Recently there is an hack on the network. So I changed the security by enabling WPA2-PSK and AES and mac filter enabled. After that two of my roommate machines are not getting connected to WiFi. Even I cant see ssid being detected in thier machines. How to connect to the machines. I have tried by removing security also but those two machines cant even detect the network being broadcasted by us. But it is detecting other networks (neighbors wifi).
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Nov 12, 2011
a spare PC I have will not connect to the network via wireless, it is running XP Pro SP3, and is using a Xycel G-202 wireless adapter. It is seeing my Sky router, and trying to obtain an IP address, but failing every time.
I am using WPA-PSK and the key I am inputting is correct, my phone connects to the network with no problems.
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Jan 5, 2012
I got a WVC80N Cisco wireless,Tried to set it up the camera there, no luck. The installation seems to go fine right up to the point where you disconnect the camera and it searches for it on the network, then I get the error message - camera not detected (even though when cabled to to router it is recognized). Tried it over and over, shut down rebooted and eventually forced the camera to reboot and erase all the settings and start over. No luck.Could it be my router is too old ? I thought it might be so I brought a second one in - a Linksys, pretty sure it was type N.
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Feb 20, 2012
I have win7 on an HP Pavilion dv7. I came to my friend's house before, and his WiFi didn't come up as an option to connect to. I unplugged and plugged back in the router, and that worked and I was able to connect with no problem. But today, that didn't fix the problem. I have restarted my computer and the router several times, I have deleted the corresponding wireless profile under "manage wireless networks" list, I have turned off my McAfee firewall to see if that was blocking the connection, I have tried connecting manually through the network and sharing center, I have troubleshooted my wireless adapters (Atheros AR5009 802.11 a/g/n and Microsoft Virtual WiFi Miniport Adapter), I have turned off and turned back on my HP wireless assistant, I have updated the dirvers for the two adapters, I have installed the latest windows updates, I have done all I can think of. And it's not the router, because my cell phone can connect, as well as the other computers in the house, without any problems.
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Apr 28, 2011
I have had this problem now for a couple of weeks, can't seem to find a solution, even after trying all sorts of things I have seen on the web. I can not seem to get the wireless internet to work on my computer. The problem started a while ago and since then I've actually formatted my hard drive and reloaded Windows XP and everything else back onto my computer. I ahve tried connecting to the wireless at home and at work and neither is working. My computer can see the networks when but can not connect to them. I used to have no problem connecting to my home network, I have not ever connected tot he one at work, just thought I'd try it when I couldn't get it to work at home.
1. Updating my LAN driver (I've tried numerous ones and the one that works best is the one that came with my windows XP)
2. Ran both Spybot and AVG to check on spyware/malware/virus and there was not a single thing on either one.
3. Tried many combinations of setup configurations with my home wireless set up. It is a password protected hookup that I have never had problems with before.So in seeing several posts on here I have the following information from my CMD
C:>IPConfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : gateway-ta06zkr
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Broadcast
[code].....
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Jan 21, 2013
802.11n wireless adapter not being detected by the system
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Jul 29, 2010
Any explanation about this warning from the WLC4402 after the software upgrade to 7.0.96. version? this is the message: Warning: WLC has detected its IP add xx.xx.xx.xx being used by a machine with MAC add xx:xx:xx:xx.and the MAC add found is the the mac add of the dynamic interface of the WLC.
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Sep 13, 2012
If I have the wired cable plugged in to my laptop1 the wireless connection works fine. If I disconnect that wired cable then the wireless connection disconnects as well. I can watch this happening when I have the connection dialogs open showing the connection wizard dialogs.The other computers and printer work as expected without disconnects..I also have three other computers including another laptop connected to a switch and router.Here is the connection schematic:
Key to symbols:
>>>> wireless
------ wired
computer1 xp ---------switch1G--------router1------cable modem1
computer2 Vista---------switch1G-------router1
laptop1 Win7 >>>>>>>>>>>>>>>>>router1
[code]....
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May 29, 2012
I have searched so many threads concerning the problem I am having but have yet to find anything that works.On Sunday my husband changed our router. We have just moved from Sky to Talk Talk. Before the change, my wireless connection was absolutely fine.Now, everything else in the house is working on wireless fine (xBox, my smartphone, hubby's PC) except for my crappy Lenovo N 500 (XP SP3).Here is a copy/paste from my ipconfig /all:[CODE]
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Dec 23, 2011
I accidently disconnected my wireless adapter, how do i reconnect.
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Jan 27, 2013
I have a fairly new Inpsiron 14z with windows 8 on it. Everything worked great out of the box, but all of a sudden my wireless stopped working. More specifically, it always says that the wifi is off, and pressing alt+f2 only cycles the bluetooth on and off, not doing anything about the wifi. Maybe I am just missing something stupid, I don't know. Here is my info:
Host Name: OS Name: Microsoft Windows 8OS Version: 6.2.9200 N/A Build 9200OS Manufacturer: Microsoft CorporationOS Configuration: Standalone WorkstationOS Build Type: Multiprocessor
[Code]......
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Nov 14, 2011
Running Vista and cannot connect to the internet through the Atheros AR5B91. Can connect via USB adapter and LAN cable plugged in to router. Network discovery was custom, for some reason, but turned it off. Everything else in the house works, iphones, xboxes and another laptop with the same Atheros adapter.
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Feb 7, 2011
Wireless connection suddenly stopped working. Ran Dell Wireless WLAN Card Utility and got "There are currently no wireless adapters available and enabled". Device manager states network adapter working properly. I have disabled, then enabled it and it still won't work.
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Jan 6, 2013
I've formatted my HP 530 Notebook (using 'Operating System CD - Windows XP Professional SP2'). All went well. It was my first format but I read a lot on the internet, so I knew I had to download and install the chipset, the bus driver, the audio and video drivers, the network adapters, etc. This I did, on the HP website [URL].
Everything is working perfectly except for the internet. The device (a Broadcom wireless network adapter I installed from the HP website) is reportedly 'working properly', the HP assistant says that the Wireless LAN is 'ON', but my Broadcom wireless network wizard cannot find any network, let alone the network of my router. The Windows assistant is just as useless.
I've tried it all: uninstalling and re-installing, snooping around with 'ipconfig /all' and utilities like 'Everest', to start the Wireless Zero Configuration, to use other network adapters, installing SPs and patches, all that jazz. Apparently, everything is fine and 'working properly' - except that there's no network in sight.
Clearing up some questions:
- The 'Everest' utility says that the Interface Type of my wireless network adapter is 'Ethernet'. Isn't Ethernet supposed to be for cable connections?
- Needless to say, I've been back and forth with drivers a lot. Windows calls my wireless (non)connection 'Wireless Network Connection 2'. Is this in any way significant?
- I'm using 'Broadcom' because that's all I saw at the HP website. Should I try something else instead, like Atheros or Intel something-something?
I'm becoming a bit desperate, so if all else fails, I'm willing to reformat the computer (for the third time) and install the drivers you recommend to me in the recommended order.
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Apr 4, 2011
My wireless printer has a permanent IP address but since I have changed broadband providers I do not know how to change this to the new network. The printer cannot be detected on wireless.
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Mar 14, 2011
I am using HP dv9000 model laptop. Operating system is Windows 7. One month ago my laptop suddenly stopped detecting wireless card( It is working with Ethernet).
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Oct 10, 2011
I got 3 windows 7 pc's at home. IP V6 and IP 4 are enabled. I setup my wireless system and it worked 100%. After 3 months I add a LAN cable to two of my PC's. This is when it all started. My internet browsing became very very slow. When i shutdown the one machine it become fast again. I did the following. Pulled the LAN cable and it was still slow. I then put the cable back and disabled the Wi-Fi and it still was very slow. I rested the defaults and restored my old backup and it still slow. Now I can get any access to the internet any more. I the disconnected the netgear router and take a cheap router with only LAN ports and it work 100%. All the above i did with many router and server reboots.
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Sep 16, 2012
So earlier today I purchased a new video card, a PNY Nvidia Gtx 560. After installing the drivers through the disc, I ended up getting he BSOD, and my PC just kept on restarting automatically. I fixed that problem, and found out that I should install the drivers for it through their website instead. So, after restarting my PC yet again, I tried using the Internet (Chrome) and found out that I have no Internet connection. Now, I am writing this on my iPad using the same router and modem that my PC is supposed to be using, but I keep on checking my WLAN adapter and it says that it is Not Connected. Now I have tried every forum, every post, EVERYTHING related to this problem and not a single thing fixes it. Also, when I do the ipconfig, everything says Media Disconnected and that's it. PS, I tried unplugging/plugging back in my modem and router PPS, Is it possible that when installing my new gcard and psu that I may have messed up with something internally?
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May 7, 2011
Im using an old tower with XP SP3. Most if not all drivers are up to date.I recently have come home from college where the computer connected to the internet through a cable and i now have to use wireless.I went out and bought a Trendnet TEW-648UB Wireless n adapter, installed it and tried to connect to my home network.It has been going from acquiring network address to no connection every ten seconds then repeating. I am fairly sure that this is not the router because i am on my sisters desktop which is a wireless connection and im on the internet. so far i have:
checked to make sure that WZC is enabled, it is.
tried checking and unchecking the Use Windows to to configure my wireless network settings
enabling and disabling my adapter
reinstalling my adapter
repairing connection
disabling any and all firewalls
ipconfig /release
ipoconfig /renew
netsh int ip reset reset.log
netsh winsock reset catalog
lots of computer restarting
and for good measure i pinged 192.168.4.1 and ping 24.229.54.212 not sure why but kinda frustrated so why not
here's the cmd stuff:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:Documents and SettingsFrost3>ipconfig[code]....
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May 25, 2011
I am trying to connect to my son's wireless internet with my own laptop. I can't get it to connect - I have tried to "renew IP address" and it doesn't work. I also got a message when I went to Start Run, etc etc "no operation can be performed on Wireless network while is has its media disconnected" I am able to connect to my own wireless internet at home on same laptop.
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Aug 22, 2011
I'm trying to create an Ad-hoc network for use with my Android phone, however the phone does not discover the network.I've browsed various forums and tried a few things, but with no success.My laptop is able to detect other wireless networks. Wired Ethernet connection works fine.ipconfig /all results are below. The broadcom wireless LAN adapter shows Media Disconnected.I'm running Norton Internet Security and HP Wireless Assistant.
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