Hello, I have the same problem, not with my ethernet controller but my network controller. See our Sustainability Report. I am using Lenovo B laptop and everything was fine. Still “network controller” appears in device manager as an unknown device. Forums Knowledge Base Blogs. The lights in the LAN port of the Laptop is working throughout booting, but once the desktop window is loaded the lights are going off.
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I installed windows 7 Hello, I have the same problem, not with my ethernet controller but my network controller. Message 1 of 3.
In device manager, its an unknown device ethernet controller. I could use a little help with my new laptop – I installed Windows 7 64 and all the drivers I could find on the drivers page, and still, it can’t use my wired network.
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networking – LAN is not working, Showing “Cable Unplugged” – Ask Ubuntu
If you find a post helpful and it answers your question, please mark it as an “Accepted Solution”! I am using Lenovo B laptop and everything was fine.
Lenovo B Series B490 All Drivers for Windows 7/8/10 (32-bit,64-bit) Download
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Press the star on the left to thank them with a Kudo! I’ve tried all drivers for B listed on the lenovo driver page.
The lights in the LAN port of the Laptop is working throughout booting, but once the desktop window is loaded the lights are going off. I think that the auto-negotiation part lenobo now working well.
Still “network controller” appears in device manager as an unknown device. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Sign up using Elnovo and Password. Register Sign In Help.