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Hp pavilion ethernet port is not appearing in devices

My wife has this HP notebook running Win 7. About a year ago now the Ethernet adapter stop appearing in the device list and when you plug it into a LAN connection, it is like there is nothing there. Tried to add devices from the manager but nothing new is found. Everything on this notebook appears to run perfectly except this. She has been running on wireless without a problem but we'd really like to get this fixed. We have tried to find a way to install a new driver but since the device does not show up there is no place to do this. Since it has been so long since it failed we are afraid to attempt a system rollback in fear of loosing a years worth of changes that have been done to the computer's configuration. It's an inconvenience factor. I have googled this problem a thousand times and only come up with answers that frankly make no sense. Thanks in advance.

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  • 7,627 Answers

You didn't supply the HP's Model? Did it come with Win 7? Was it upgraded? If you go to the HP drivers and support website, using your model, download the Correct driver for your OS and Device, install, the driver software it will locate the device via the Hardware ID, and apply the driver. That's if the device is funtional. It may be a bad component? I don't know how old the machine is, components fail. The driver is a likely place to start.

Posted on Dec 30, 2012

  • 7 more comments 
  • Steve Fuhrman
    Steve Fuhrman Dec 30, 2012

    Sorry I thought after I entered it that it would add it to the post. It is a DV5i-2100 Came with Win 7 It is about 2 years old. Thanks, I will try the driver. I thought I did that before, but could have been something else.

  • max carson
    max carson Dec 30, 2012

    Try here:http://h20000.www2.hp.com/bizsupport/Tec...

  • max carson
    max carson Dec 30, 2012

    I only see Win XP and Win Vista drivers? Your machine was purchased New with Win 7? You didn't give the full model HP Pavilion DV 2100 (?) the suffix?

  • Steve Fuhrman
    Steve Fuhrman Dec 30, 2012

    Model isDV5 or DV5i-2100

  • max carson
    max carson Dec 30, 2012

    This is a example : HP Pavilion dv2101(au)? Notebook PC The drivers can be found here: 20000.www2.hp.com/bizsupport/TechSupport/Home.jsp?lang=en&cc=us&prodClassId=-1&prodTypeId=321957&prodSeriesId=1844533

  • max carson
    max carson Dec 30, 2012

    http://h20000.www2.hp.com/bizsupport/Tec...

  • Steve Fuhrman
    Steve Fuhrman Dec 30, 2012

    I think I found the driver, maybe I'm bling and the "i" is a "t" I'm not sure.

  • max carson
    max carson Dec 30, 2012

    Is the driver for Win7?

  • max carson
    max carson Dec 30, 2012

    At my age, a magnifying glass and a bright light comes in quite handy.

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gravekeeper
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SOURCE: LAN Problems

all you have to do is,uninstall the network driver, and reinstall it. after that you reboot the computer, press f11 for the blue screen to come up, make sure the setting is default, when it come up again all the problems should be fixed... it worked for me

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SOURCE: I cannot enable my wireless adapter

the drivers needed updating, got to love Windows.

Posted on Dec 20, 2008

leecom72
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SOURCE: Ethernet port not "active"

Hi there.
Restart the PC and go into the bios to make sure the on-board LAN is enabled, if it is try as jery says and try another ethernet cable.

Post back please and good luck

Posted on Apr 21, 2009

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Ai intsalled new Os in my pc its a downgrade exactly gom windows to 7 ultimate but theres is several driver are missing the most i,mportant its the ethernet driver , please need you to fix it


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Ethernet port not functioning after lifghtening strike


Ethernet port not working after a lightning strike? Then I suggest obtaining an inexpensive Ethernet adapter card, and installing it.

One example of an Ethernet adapter card, (Ethernet Card, Networking Card - Same/same),

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1275962&CatId=200

The above Ethernet adapter card is a PCI style of adapter card. It plugs into any available PCI expansion slot on the Pavilion a620n's motherboard.

This is an illustration and photo of the Pavilion a620n motherboard from HP Support,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00069442&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&site=null&lang=en&key=null&product=424215

Scrolling to the middle of the page shows first the illustration, then the photo.
In the motherboard photo the three white long expansion slots on the bottom of the motherboard, are the PCI slots.

On this page is information on how to open the computer case, and replace, or install an Ethernet Card,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&lang=en&product=424215&

Click on ~ HP Pavilion PCs - Upgrading and Servicing Guide
This is a PDF file. You may have to allow up to 30 seconds to see the first page, and additional time for the file to fully download.

[Removing and Installing an Add-In Card is information on how to remove, and install an Ethernet Card. An Ethernet adapter card is an Add-In Card]

For additional questions, and/or clarification on what has been stated please post in a Comment.
Regards,
joecoolvette

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1 Answer

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regards

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Hi

My system Network adapter is not working. so i checked another one external card connect , at the time internal card automatically worked? how ? pls tell me i am very confuse

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