Network Controller G580 (20157) - Unknown Device

Hi,
I have bought this Lenovo G580 (20157) laptop 2 years back. I had formatted my Laptop last night and installed Windows 7 Ultimate 32 Bit. Then i downloaded all the drivers from Lenovo Website. The Problem here is After installing all the drivers my Device Manager shows this YELLOW ICON as UNKNOWN DEVICE - NETWORK CONTROLLER. I tried all available options like trying to update the driver manually but still i am unable to find any solutions. I would really appreciate your effort on this which will be very helpful.

hi kalhemhtc,
Welcome to the Forums.
Can you try one of these drivers:
Windows 7 - G580 (model 2689, 20157)
Wireless LAN Driver (CyberTan, Liteon) for Microsoft Windows 7 (32-bit, 64-bit) - G580 (2689, 20157)
Intel Wireless LAN Driver for Microsoft Windows 7 (32-bit, 64-bit) - G580 (2689, 20157)
If the above drivers doesn't work, can you follow this guide on how to identify the network controller from its hardware ID.
Article:
G580 : Wireless adapter is missing message when connecting to WiFi
Let me know how it goes.
Regards
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View Solution.

Hi:
HP does not provide any support for previous operating systems on their consumer PC's which is why there are no W7 drivers for your model.
Below are the drivers you need:
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http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
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http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
3. Network Controller:
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
4. PCI device:
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
5. Unknown device:
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
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http://support.amd.com/us/gpudownload/windows/Pages/raid_windows.aspx#2
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http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...

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View Solution.

Hello again samyak. You are very welcome!
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Please click the white star under my name to give me Kudos as a way to say "Thanks!"
Click the "Accept as Solution" button if I resolve your issue.

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Good morning
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Hi Team,
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Hi Yigit,
As I have already mentioned, I didn't find any device which is indicated as Unknown in Device Management.
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link to image
link to image
link to image
link to image
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hi Solmenir,
Welcome to the Lenovo Community.
Please try installing Realtek LAN Adapter Driver v7.50.1123.2011, get it here:
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Cheers.
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Network Controller driver HP Notebook - 15-ac042tu

Both WiFi and Bluetooth is not working Network controller is shown under unknown devices in device manager. Network ControllerPCI\VEN_14E4&DEV_4365&SUBSYS_804A103C&REV_01
PCI\VEN_14E4&DEV_4365&SUBSYS_804A103C
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PCI\VEN_8086&DEV_9C31&CC_0C0330
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Network Controller G580 (20157) - Unknown Device

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