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Windows 7: Multiple problems with Ethernet connection

19 Oct 2013   #21

Windows 7 Home Premium 64-bit

Yes, everything seems to be fine after I installed the new NIC. It says #2 because I forgot to uninstall the first (onboard) NIC's driver beforehand.
The Device Manager now shows 2 Ethernet adapters. Is it possible to uninstall an onboard NIC? Or should I just leave it?

One final thing: the NIC is using Windows' generic drivers. I tried to install the driver on the disc that came along with the NIC, but the net started to fail, so I rolled back the driver because I didn't have time to investigate.

Edit: I tried installing another driver again, this time from the manufacturer's website. The driver actually works fine, but Auto Negotiation of Speed & Duplex sets it to 100Mbps, which then causes my computer to fail to connect, producing an IP address of

I tried to manually set it to 100Mbps (both Full and Half Duplex), but neither of them worked. I had to set to 10Mbps in order for the connection to be successful. My router is Netgear WPN824v2, and supposedly it's capable of 10/100Mbps connections.

My System SpecsSystem Spec
21 Oct 2013   #22

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1

Can you disable onboard NIc in BIOS? Otherwise you can disable it in device manager. It even that fails... in "network centre"-> adapater settings.

Post relevant device manager output otherwise. If special drivers won't work... use the generic win7 one
My System SpecsSystem Spec
21 Oct 2013   #23

Windows 7 Home Premium 64-bit

If it's only disabling, it can be done.

I installed the specific driver and it worked, just had to make little adjustments.

Attached Thumbnails
Multiple problems with Ethernet connection-nicdisabled.png  
My System SpecsSystem Spec


 Multiple problems with Ethernet connection

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