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Windows 7: Local Area Connection Missing from network adapters but operational


26 Jun 2013   #1

Win 7 Ultimate 64 bit
 
 
Local Area Connection Missing from network adapters but operational

I have no Local Area Connections showing up in my Network Connections folder. I have an operational network connection via the ethernet port on my HP pavillion running Windows 7 Ultimate and the icon shows up in the status bar. I have no way of copying and modifying it.
My connections for my home group shows a blank although I am connected.

What has happened to the Local Area Connection icons, display data? More importantly how do I restore it?

I was trying to connect to a piece of equipment and discovered that I could not locate the local area connections to copy and create the required communication specifications.

Thanks
Steve


My System SpecsSystem Spec
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26 Jun 2013   #2

Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
 
 

Could you post a screenshot of what is available in your network connections so that I can better identify your issue.

Could you go to device manager and then check if there are any red X's by any devices. If so please post back your results

To access device manager please open the attached folder and then open the file to view the steps.

Many Thanks,
Josh!


Attached Files
File Type: zip Accessing Device Manager.zip (951.6 KB, 7 views)
My System SpecsSystem Spec
27 Jun 2013   #3

Win 7 Ultimate 64 bit
 
 
requested screenshots attached

I re-installed the chipset driver for the Ethernet and the Local area Connection now displays when there is an internet connection and it shows on the connection in the network and sharing folder.
It does not display when there is not a cable plugged in.

I also seem to be missing the following WAN miniport drivers L2TP, PPTP and SSTP. The network monitor driver is being flagged as incorrect. How do I reinstall these so that I have other options than PPOE when creating a new connection?


Attached Thumbnails
Local Area Connection Missing from network adapters but operational-network-adapters.jpg   Local Area Connection Missing from network adapters but operational-network-connections.png   Local Area Connection Missing from network adapters but operational-network-connections.jpg  
My System SpecsSystem Spec
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28 Jun 2013   #4

Win 7 Ultimate 64 bit
 
 

OK - The solution to the problem was the re-installation of the Ethernet chipset driver. This gave back the Local Area connection displayed in the Network and Sharing as a connection and in the network connections folder when I have an Ethernet cable connected to the RJ45 port. From there I was able to adjust my settings to connect to the piece of equipment I needed to connect to.

During the troubleshooting, I had found the driver for my WAN Miniport (Network Monitor) was bad and that I was missing my WAN Miniport (L2TP), (PPTP) and (SSTP) adapters.
The WAN Miniport (Network Monitor) was the easiest to repair as it was present in the Device manager and the others were not. All I had to do to correct this issue was go to Control Panel; Troubleshooting; Hardware and Sound and run the Hardware and Devices troubleshooter. This corrected the bad driver for the WAN Miniport (Network Monitor).

The other three WAN Miniport drivers required downloading Devcon from the Windows Driver Development Kit. Once I had downloaded the Devcon for amd64 since I am running Windows 7 x64, I installed it in my windows folder. I then opened the cmd window with administrator privileges and typed the following from the windows folder prompt. >devcon install c:\windows\inf\netrasa.inf MS_L2ptMiniport or (MS_PptpMiniport or MS_SstpMiniport) for the WAN miniport drivers I needed to install. The system told me the node was created, the driver needed to be installed and that Devcon had failed for each of the adapters.

Device manager displayed unknown device or each. I then updated driver, scanned for hardware changes and checked properties to add driver. After about a minute the driver was added and unknown device was replaced by the appropriate WAN adapter display.
My System SpecsSystem Spec
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 Local Area Connection Missing from network adapters but operational




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