I have a Dell 4700 Computer with an integrated Intel PRO/100 VE network card. My OS is Windows XP Home Edition.
When I plug my ethernet cable into the port, the connection is not detected. I installed a Linksys LNE100TX NIC card into my PC, left the ethernet cable plugged into the integrated Intel PRO/100, and then the network was detected on the Intel PRO/100.
I removed the LNE100TX NIC and the network was no longer detected. I reinstalled the LNE100TX NIC card and the network was again detected when connected to the integrated Intel PRO/100. I disabled the Linksys LNE100TX NIC, uninstalled the driver, powered down my PC and removed the Intel LNE100TX NIC from my PC. Powered it backup and the integrated NIC (Intel PRO/100) still detected my network. Great problem solved! NO!
I powered the PC back down and installed a sound card in the slot that the LNE100TX NIC was installed. Powered my PC backup and now no network connection detected again by the integrated Intel PRO/100 NIC. I powered my PC back down removed the sound card and reinstalled the Linksys NIC. Powered up, now the ethernet connection is only recognized when it is plugged into the Linksys card. The integrated PRO/100 won't recognize the connection at all.
If anyone can help I would really appreciate it. I would like to get my PCI slot back so that I can install a sound card.
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Re: Dell 4700 Computer Integrated NIC Problem
Check for the pins inside the integrated NIC to check if the pins are bent / disfigured. Does not look like the additional card is making any different, looks more like a moving NIC cable is makin the difference.
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Pretty much every computer built within the last 5 years has built on network interface. However, to answer your question completely - look at the back of the computer where the network cable plugs in? Is it clustered around the video/sound, power, printer, usb, etc (integrated in); or is it located elsewhere (perhaps in the series of long narrow rectangular openings openings where the expansion cards go - separate).
You don't say what make/model of network adapter (NIC), whether it's wired or wireless, or if it was operating under the same service pack level before, so I have to make a lot of assumptions.
Is Windows really not recognizing it (ie: does it have an exclamation mark next to the NIC in device manager?) or is it being recognized by Windows but just cannot connect to the wireless router? If the latter, check your wireless configuration (SSID, WPA key, etc). Since you have WinXP SP1, it could be that there is not a driver for that particular NIC. Later service packs include updated drivers as well as bug and security fixes. Recommend you identify the NIC and if you have the driver disk for it, go into Windows device manager to select a reinstall from that disk. If you don't have it, use another computer to download its driver and after installing it and getting Internet access, you should also download and install the latest SP, which would be SP3.
what's the error? if your getting the error Connected with limited connectivity try checking your network key in the router and the wireless settings on your computer if they are correct or just removed your security key, if your getting an error no networks in range or no network available check the router settings if the wireless signal is turned on the router, if you get an error windows could not connect to wireless networks try uninstalling and reinstalling the wireless card driver on your system and set the the router to defaults then try connecting with out changing any settings in the router to see if it will connect, if it connects, then there was/were settings in the router and possibly in the wireless settings in your laptop that was causing the computer and the router to have communication issues, also check for possible applications such as network magic that could cause a wireless signal to degrade or not allow connections at all if such application exists on your system uninstall it Microsoft or windows has its own wireless configuration software built into handle wireless connections in XP it is wireless zero configuration in vista and in win7 WLAN which can be set in network and sharing connection in the control panel window.....
Wi-Fi card can be considered broken only if its not able to scan for any available networks. Also, do check in the device manager of the computer. Check for the device status of this wireless adapter there. If its properly installed, etc., it should say, "This device is working properly". There is also a fix for other error messages. Regarding hardware breakage, we cannot come to a conclusion so easily as we have all these things to check. The case may be little complicated as its an in-built wireless card. We cannot even remove it and try on a different computer.
It seems that after re-installing windows you have missed the Driver installation for your hardware. If you have a disk (which reads Drivers and Utilities) that came with your computer, You can insert it in your CD Driver and select the Driver for Network adapter. If you do not have a disc, you can always visit the Dell's support site i.e.:support.dell.com and Get the drivers suitable for your hardware by selecting the model or Entering the Service Tag of your Dell computer.