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Ethernet port does not work in computer. The cable company set up a USB connection which worked, but now I installed a wireless router. The ethernet cable from the pc to the router does not show a connection. I've tested different cables, and used the cables from the router to other computers/laptops. All works. I can't find the ethernet controller software.

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  • 3,940 Answers

Here are some things to check.

  1. In the system setup, ensure that the network adapter is enabled.
  2. Check device manager and see if the driver is properly installed.
  3. If the integrated NIC doesn't work, you can disable it in the BIOS and install a PCI NIC (Less than $20) and the system will work that way.

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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antiochpc
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SOURCE: No ethernet port on older Dell desktop

Yes, all you need is a PCI ethernet card. You can pick them up rather cheap. Here is one. You basically plug it into an available PCI port on the inside of your computer. If XP doesn't automatically install it, just insert the included CD with the drivers on it and XP will do the rest. And remember to please give this answer a good rating of fixya. Thanks.

Posted on Dec 26, 2008

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I have a modem arris cm450b, i bought splitter to use 2 cables but the the cable connected to my sons computr isn't working


That is not the right way to do it. Connect one computer to the cable modem using an USB A/B cable from the USB port on the modem to an available USB port on the computer and connect the second computer to the modem Ethernet port-to-Ethernet port using an Ethernet cable (probably the modem came with one Ethernet cable).

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I got a NETGEAR router and I have been trying to get my Motorola SURFboard to recognize it. I had the USB connection installed and the NETGEAR uses ethernet, so I tried to install the ethernet but my...


The Cable modem must be disconnected from the computer. You cannot use USB and Ethernet at the same time.

1. Turn off power to the Cable Modem and the Netgear Router. Do the same with the computer.
2. Connect an ethernet cable from the modem to the router's WAN (Internet) port.
3. Connect another ethernet cable from one of the remaining 4 LAN ports on the router to the computer's ethernet port.

4. Now power on the Cable Modem ONLY. Wait for the modem to sync up with your service provider
5. After about 2-5 minutes power up the router and wait about 1-2 minutes.
6. Now power on your PC.

Check and see if you have internet access. If not you may have to uninstall any cable modem software related to USB connection. if this is the case, then you may have to repeat steps 4-6.

Since most cable internet providers do not use proprietary connection settings, your internet connection should be up and running without changing any settings in the router or modem.

If this does not resolve your issues, we can continue to work with you.

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HP 4450 desktop, not have a ethernet port


No you can't.
But you have ywo other options to use broadband connection.
1. Use a USB modem, or
2. Install a network card to be able to use an ethernet cable.

A network card cost around $10.00.

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Wireless switch on my pc is on but cant connect Work with ethernet cable plugged in.Are there any settings?


Things to try:

1. Plug in the ethernet cable then restart the laptop.

2. Right click on your local area connection and make sure its enabled

3. Make sure your wireless adapter is disabled.

4. Check if you need a static ip address on your work network. and if so have them assign you an ip address for your laptop.

5 Test your computers ethernet port on another wired network to make sure that it is good.

6. Get a usb to ethernet adapter for your laptop if your ethernet port is bad on your laptop.


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Trouble connecting netgear wireless router to rca modem DCM425


First try connection the Yellow ethernet cable from the rca modem to your computer's network connection. If you get a connection this way, then your modem will work with a ethernet cable. If not, then call Comcast for help. The modem ethernet out to computer port must be connected to the wan line of the router. Then you can connect an ethernet cable from your computer network connection to one of the 4 ports of the router. For wireless connections you must set up the router and wireless adaptor with the same settings to connect. Follow the routers directions.
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Problem setting up home network with d-link des-1105. Windows Vista on main PC & Windows XP on laptop. Presently, I have ethernet cable connected on main PC to d-link and usb cable connected to laptop & to...


A router is basically a mini-computer that splits up one internet connections to 4 (or whatever # of ports you have).

Basic Connections to a router:
A Router requires a internet connections, so your broadband modem must connect to the WAN port (theres only one) of the router DIRECTLY. Then Ethernet cables go from the router to the computers on the LAN ports. Don't do something weird like connecting your internet to your computer then your computer to the routers WAN port, it'll most likely mess up.

Once you have connected your router like this, it should work.

If your modem only has a usb port, I have no idea how to make that work out. Sorry. Try getting a new modem from your ISP, or check if your modem does have a ethernet port, if it does just connnect that to the routers wan port.

Also computers should not interconnect with each other with use of a router. Thats what the router is for. Everything gets connected and split up at the router, nothing connects to anything else but the router, basically.

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Toshiba Cable Modem PCX1100u


OK. First of all you do not need a special or seperate driver for the Ethernet port. Its factory loaded with your OS.

All you need to do is plug the Ethernet cable into the LAN port on your HP Desktop and then into the LAN port (not the WAN port) of your cable modem.

The second thing is if its only a cable modem, then I suggest you proceed with caution as there is NO built-in firewall on a cable modem. Yes you will get on the net, but you are likely to be attacked with virus the moment you connect. I suggest you check very carefully whether the cable modem (if that's what it is) does/does not have a firewall as you would be very unwise connecting up like that.

Next, forget USB connection to the router/cable modem. That technolgy we've moved on from.. Your Vista shodul be 'plug n play' adn should configure the router for you. obviously that bit isn't so slick on yours.

Let me know how you get on..

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Westell 6100 ethernet


the prob may b with the ethernet adapter on the computer or the ethernet port on the modem or the ethernet cable.....
to check ethernetadaptor  ping 127.0.0.1
to check the ethernet port on the modem...if u plugin the cable u should have a light lid up on the modem ..
to check the ethernet cable  try with an alt cable which is proved to be working

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If you want more than one computer on your network (on the Internet or sharing printers/files, etc) then you need a router or a gateway (cable modem/router combo which I DON'T recommend).

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The ADSL, Ethernet, and USB ports are located at the back of a Linksys modem. These ports are where the phone cable and computer will be connected. The ADSL Line should be connected to the ADSL port and the computer either be connected to Ethernet or the USB port., If u r using a ethernet cable no need to run the setup cd just connect the ethernet cable and contact ur isp..
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To setup a Linksys ADSL Modem with usb cable you need to perform two steps:
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Connecting the Devices Together
Step 1:
Connect the phone cable to the wall jack with ADSL service and then connect the other end to the ADSL port of the modem.
Step 2:
Make sure the power adapter is plugged to an available power outlet.
Step 3:
Connect the USB to the USB port on the back of the modem and then connect the other end top the USB port of the computer.
Step 4:
Power on the modem. After connecting the device together, install the USB driver. For instructions, follow the steps below.
Installing the USB Driver
Step 1:
Power on the computer.
Step 2:
When the Hardware Update Wizard window appears. Click Install the software automatically (Recommended).
NOTE: Windows XP has pre-installed drivers for the ADSL2MUE and will automatically install the USB driver for the modem.
Step 3:
Click Finish.

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