Network Card Not Recognizing Network
Feb 2, 2011
I have a small office with 5 computers. All are Windows 7 and networked via a domain and a central server. Internet is T1 - we have a modem, router, and switch in that order. One of my computers just stopped recognizing the network and has no internet. I have checked all the cables and know that the internet is running to the computer because I have a VOIP phone on the same line that works fine.The computer can recognize the Network card and says that it is functioning properly.All other computers are functioning properly and are all able to see the network and have internet.
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Sep 15, 2012
When I plug in my Belkin my Netbios over TCP/IP is enabled, however is disabled when the router is connected. I cannot gain access to internet through Belkin G router, but can through my ISP router. I've tried IP/Config/all, (Nothing). The problem started when I changed something in Firefox (About:Config) attempting to change URL Search engine from Yahoo to Google, and that's when the problems started.Now my (Desktop) Computer doesn't recognize network, and I can no longer gain access to Net w/Belkin G wireless router...however, router will allow temporary access to internet when plugged up anyway (2 Android phones, 2 laptops), but the desktop will not connect.
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Apr 25, 2011
Recently the home wireless network was upgraded to 802.11n with WPA2-PSK security. There are currently 3 laptops successfully connected and running the internet.
I have a desktop computer that recently had the NIC card upgraded because beforehand no connections were being recognised. Now there are connections being recognised but when I go to connect to the home network (Which has full signal) it begins to connect, it says "Waiting for Network" then after 2 or 3 minutes it just stops, no error message or anything. Ive also tried moving the tower closer to the router but this also does not work, it begins to connect to the network and then stops and says "Unable to connect to wireless network".
Another thing that might be of use, I am unable to access "ipconfig" in the terminal, I type "ipconfig" in run, then the terminal will pop up and close instantly.
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Jun 21, 2011
I set up a network several years ago. The network was to use a printer between an old desktop with XP and a laptop with Vista. This has worked very well until several weeks ago. I would logon to the network on the laptop through the desktop, type in the password and I was good to go. Suddenly the password does not work. The printer works fine through the desktop. We have had several lightening storms in our area recently.
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Sep 26, 2012
I HAVE TWO COMPUTERS running Windows Xp that are CONNECTED TO A ROUTER THEN CONNECTED TO A MODEM, COM1 THE INTERNET WORKS FINE, AND IS SHOWING A LAN CONNECTION WORKING, AND INTERNET GATEWAY CONNECTED, AND THE ROUTER SHOWS UP ON THE MY NETWORK PLACES. ALSO MY WIFI WORKS FINE TOO! BUT COM2 CANT SURF THE WEB, IT DOES NOT RECOGNIZE THE ROUTER IN MY NETWORK PLACES, AND THE INTERNET GATEWAY IS NOT SHOWING UP IN NETWORK CONNECTIONS, BUT THE LAN IS, AND IS SHOWING A CONNECTION. i have tried restarting everything, i tried connecting the COM2 straight to the modem, tried new either cables, nothing wrong with my service or modem or router, its just the COM2
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Jul 28, 2011
my win7 is not recognizing any wireless network
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May 9, 2012
My hp computer is not recognizing any network adapters. Im running windows 7.
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May 30, 2011
I was having trouble getting printer to work properly-having to reboot each time to print.Uninstalled and re-installed printer software. Now computer not picking up printer wireless info.Tried using wireless configuration tool.Can't get past start to enter correct information in.Could computer picked up an other wireless router in area - not the correct one - and this infor. has locked me out. How do I get correct information in.
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Feb 20, 2013
I just bought a Asus PCE-N15 and installed the drivers and utilities but after I restarted the utility told me that I have taken it out of my computer but it was still in there. I have tried all of my PCI slots tried ASUS and Realtek drivers and utilities and uninstalling removing and reinstalling and even contacting costumer support. Costumer support didn't tell me anything but reinstall the drivers.
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Jan 1, 2011
I am having similar problems on Vista. How is the driver installation different in Vista?
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Apr 3, 2011
I walked in to the room and my 1 year old daughter was carrying my laptop. I turned it on and now I no longer have the option to connect to wireless networks. It's like the computer doesn't recognize a wireless card. I have an old dell with windows xp. At first thought I figured that she may had dropped it and dislodged the card, so I took the cover of the slot off and everything seems to be in place. The wireless card is a broadcom.
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Aug 27, 2012
I recently changed my graphics card (geforce 9100 to radeon hd 7750) because i wanted to enjoy some simple gaming and my previous graphics card (geforce 9100) wasnt capable of doing so. (This is my pc : HP Pavilion p6100 Desktop PC series*-* HP Pavilion p6130y Desktop PC Product Specifications - c01748306 - HP Business Support Center ). Before changing the card i uninstalled all nvidia related drivers (both in control panel and device manager) because i heard thats what youre supposed to do.
I successfully changed my graphics card (i think...) i can run all the games that i couldnt run before but.. I am having trouble connecting to the internet after changing the card. it seems like my computer isnt recognizing the inernet network. i know the network is fine because im writing this w/ my itouch which is connected to the network wifi. When i right click the red X icon w/ two computers and click "connect to a network" , it says "windows cannot find any networks" and i have no network options to choose from. Is it because i uninstalled drivers related to the network connection..?
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Aug 21, 2012
This past weekend I went out of town and took my Windows 7 laptop with me -- since I returned home, it has been unable to connect to my wireless network. Other devices in my home connect to the network just fine, and the problem laptop has always been fine until now. My network card is an Atheros AR9285, and I'm attempting to connect to a Medialink router with WPA password protection and AES encryption.My wireless network icon in the task bar has a yellow sign with an exclamation point in it. It says "No Internet access."
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Jan 30, 2013
In the bottom floor there are three computers, an iMac computer that receives an average wireless Internet signal, desktop computer and a laptop.I want to take care of the desktop computer and buy a network card, the next card:TP-Link TL-WN951NNow it has three antennas, each of its reception range is 2 dbiI should buy three of the 10 dbi antennas and connect them to the network card?It will give a good solution strong wireless signal and good speed?
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Apr 20, 2012
I think I am having problem with my network card I am running windows 7 with Dell wireless 1390 WLAN Mini-Card lots of times the signal is low and I get the error message no internet connectivity or some other error message that I am not being able to connect to the network provided by my wimax modem, Is there any program that I can download to test if there are any errors related to the network card or any way to fix this?
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Jan 16, 2011
I currently have a netgear 600 router transmitting both 2.4 Ghz signal and 5 Ghz signal but my laptop can only receive the 2.4 Ghz signal. My question is should I purchase a 5 Ghz signal wireless card and does the benefits outweigh the cost?
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Aug 23, 2011
At first it seemed to happen everyday at the same time, but now seems completely random (happening twice a day somedays). At some part during the day while the user is busy with this system it drops the network connection. The ONLY way to get it back is by restarting via the reset button. Shutdown or even logoff just hangs. Nothing regarding that card will work or respond, you can not even disable and re-enable. I can however get the wireless to work without restarting. I've done everything I could possible think of including format and re-installing Windows. Something new I've noticed is that the user always has MS Access (in runtime mode) running while network goes down and then you can not end that process.
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Mar 26, 2013
I have a client using a Dell Poweredge SC440 server. About a month ago the system crashedfter some detailed checking I found it had burned some caps. on the motherboard. I replaced the motherboard & had to reinstall SBS 2003. Since doing this I can't get the server network card to connect. The machine does have 2 NIC's one for the server & one for the internet, neither of which will connect. I believe I have the IP address of both cards incorrect. Could someone tell me what the correct IP addresses (all of them) should be for a new install of SBS 2003? I know the IP address of the router & the service provider (AT&T), but these don't work. I do have a printout of the server when it was originally setup but it only give the server IP which is 192.168.2.1 I have put this address in the IP of the card but don't know what goes in the default gateway nor the perfered DNS
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Dec 5, 2012
I have disabled / enabled and unistalled / installed and updated driver software but to no avail.It has been replaced, I have refreshed TCP/IP as per previous instruction found here and it did go a bit further, but now stuck as per below from CCX diagnostics Utility:
[code]...
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Feb 1, 2011
I have just given my Mum an old Dell desktop computer of mine. She has BT Broadband with a Homehub. I have connected everything up and installed the Homehub software on the computer but when it tries to search for the network connection via the BT software, it keeps saying the network card can not be detected. The network cable is plugged in and working. All the drivers are up to date.
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Mar 1, 2011
I had it working fine up until i decided to install a new harddrive on my xp pro machine. but to the point, when i connect to the 3g card its fine, but if i try to enable the lan at the same time it disconnects my 3g card. my problem isnt how to network two computers, its how to get lan and a usb modem working simultaneously. i have tried to enable ics, then reboot. same results. if i can get the lan to stay on while the 3g card is on i have the rest whooped.it is some kind of setting somewhere. maybe i need to install windows 2003 server or something like that.
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May 22, 2012
I have a motherboard intel DG41RQ and it has a built in lan card but i wanted to put another lan card via the PCI express slot and i put it and the flash lights on the network card are flashing but still the hardware manager and everything on the computer haven't even noticed that i put a new hardware.
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Apr 8, 2011
dell xps t500
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Sep 14, 2012
I have an ASUS M4A785-M MB with an on-board LAN and all of a sudden stopped working yesterday. I have it connected to a 4-port D-Link network switch which has one other computer connected, and the switch is hard-wired to my wireless router.
Here are the trouble-shooting steps I've tried:
- uninstalling/re-installing the driver
- tried using different wires.
- by-passed the switch
- used the wired connection with the other computer
- tested the wire for my troubled computer on the other computer and it works fine
- pinged the loop-back IP address (127.0.0.1) and it tested ok
- bought a new NIC and still no connection
When I go to Network and Sharing Center, it shows my Home GRoup but then has the bid red X from the Home Group to the Internet.
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Mar 27, 2011
i am able to connect to wireless networks but when i use my Ethernet card it says unidentified network
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Jun 22, 2011
I run a windows 7 x64 and I am currently running a Intel (r) 82579V gigabit network adapter. The thing is, the driver was made for 82579LM and V versions. Most of the time, my computer reads the adapter as the LM version, in which the ethernet just won't work. Once in a while it gets the V version and everything is alright, but i can't live with such uncertainty. Mostly people suggest i should just buy a new motherboard (?) or a new network adapter, but i'm sure it's a software problem. Shouldn't there be other solutions? The card itself is integrated.
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Jun 2, 2012
Recently I dual-booted my PC from Windows XP(On which the LAN card was working and i was able to access the internet) to Windows 7.Then i formated the drive on which WinXP was installed. Sometime later i noticed that the LAN card (Atheros A8151 PCI-E Ethernet Controller) was not working i went into the adapter settings in network control in the control panel and there was no adapter. i checked the device manager and there was no option called NETWORK ADAPTERS.
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Sep 3, 2012
I have a win xp system which connects to internal network & Internet. The problem I have is, for each work i need to change the IP address.
Ex: For internal network the ip should be 192.168.0.1 To connect to internet the ip should be 192.168.1.1
Now I want to be connected to both internal network as well as internet at the same time. So what should I do ?
* I can not add another physical network card.
* I can not change the IP's of any other system or config servers etc... (as it is used by our internal application, doing so will make a mess.)
* I have the admin rights so any software changes to my system can be done.
So i was hoping to add a virtual network card, and configure it to the new IP. So can that be done ? if so how ?
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Mar 13, 2012
Just built my new system and when I installed my network card drivers and utilities, a message comes up ASUS Wireless LAN card is taken apart from your desktop PC.
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Apr 18, 2012
I've a D-Link DFE-520TX PCI Fast Ethernet card, which is/was excellent until this first problem. 2 nights ago there was some good lightning/thunders activity, resulting in burning of ISP network switches. This morning they replaced the switches and brought up the network, but here's the problem:1) Under the default card setting with Auto-negotiation, PC looks for DCHP Server address resolution and ends up with YELLOW triangle in the system tray.2) Whereas, when I CHANGE the card setting to 10Base in FullDuplex, then PC gets connected to the ISP network.ISP support said that either the card could be damaged due to lightning strike or it could be due to damaged cable running from port box to the PC (RJ-45). I'm wondering, could lightning strike damage a Network card in such a partial manner (just one feature, i.e., Auto-negotiation)? But that person warned, there will be deterioration in ISP speeds when I use 10Base in Full Duplex (for now) compared to Auto-negotiation speeds. Speeds really came down badly, that's understood.
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Sep 20, 2011
I recently install xp pro and update all necessary drivers for the computer.I also plug-in another network card, this nic is working but seem browsing the web is slower than the original network card comes with the motherboard. Before both network cards show up in (my network places). Now the network card comes with the motherboard doesn't show up, only the network card connection just installed.
I check the device manager both of the network adapters are there, check both of box that say place LAN on taskbar.This could be i have find and install revised intel chipset and lastest BIOS for the pc, now the hard drive activity LED doesn't lit and the ethernet controller has issue. Note when I plug in the cable to ethernet port (one built with pc) there's show both activity light and connection light, but can't connect to the internet.
pc info:
winxp pro sp3
pentium celeron
256 mb of memory
manufacturer: gateway
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Nov 5, 2011
im using microsoft network monitor to monitor all traffic in and out (public) and mirrored ports for local traffic, except wireless traffic as its connecting to the router. I want to use a wifi NIC on the server to broadcast, so wireless clients can connect via the server and obtain DNS and DHCP etc from there, therefor, monitoring all traffic.
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Apr 7, 2011
Intel wireless adapter card doesn't recognize wireless network - computer says card is ok
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