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No correct WLAN/wifi driver available (N581/Win7x64)

2013-06-27, 16:31 PM

Hi there,


some months ago I got my IdeaPad N581 and it was a hassle with drivers from the beginning.


I installed Windows 7 Professional 64 bit and got all the drivers from the support page.

There is one unknown device wich I dont know what it is and aren't really interested in (ACPI\VPC2004).


But I'm becoming crazy with the wifi/WLAN driver.

As offered on the drivers page for N581 I downloaded the following driver package:

Wireless LAN Driver (Liteon/Atheros, CyberTan/Broadcom)



04 Jun 2013


Funny thing is I'm getting the message "no device found" as I try to instll this driver.

After researching further into the issue I found the following problem:

- HW ID of my device: PCI\VEN_168C&DEV_0032&SUBSYS_321817AA&REV_01

- This HW ID is not listed in "Wireless LAN Driver (Liteon, CyberTan)\Atheros\\ndis6_Win7\x64\netathrx.inf"


My workaround after this was to identify the device while sarching for the HW ID.

I found this COULD BE a "Atheros AR9485WB-EG Wireless Network Adapter" and selected the windows build in driver from the driver list.

At first it seems to be working.


Now my problem:

This driver wasn't such a good choice as I'm suffering from network loss after some usage (usually 2 - 3 hours) and it's almost impossible to get the connection back. Even rebooting windows didn't help much. Only if I let rest the N581 for some time (usually until the next day) I am able to get a wifi connection.

Today I had to remove and reinstall this driver to get any form of connection.


So PLEASE is there any way I can get the correct drivers for this and use a reliable wifi connection?


Thanks in advance from germany,



P.S. I tried the search function but didn't get any fitting results, so if there are any, please take my apology and point me to other threads.

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Re: No correct WLAN/wifi driver available (N581/Win7x64)

2013-06-27, 22:52 PM

hi giminic,


Welcome to the Lenovo Forums.


Upon checking the spare parts on the N581, the wireless module can either be one of the following:


Atheros AR9285
Broadcom BCM4313


Can you try to install this driver for the WLAN:

Drivers for Atheros AR9285 and Windows 7

Release: 2013-03-14   [March '13]
OS: Windows 7 32/64bit Status: WHQL
File: win7-


For the ACPI\VPC2004, can you try to install:

Lenovo Energy Management




Let me know your findings,


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Re: No correct WLAN/wifi driver available (N581/Win7x64)

2013-07-03, 17:07 PM

Hi neokenchi,


sorry for the late answer.


Two days ago I installed the driver you recommended (atheros) and since then there is no connection loss.

So I think it's the fitting driver and my issue is solved.


Thank you very much, this way I can enjoy my N581 even more :)





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Re: No correct WLAN/wifi driver available (N581/Win7x64)

2014-05-25, 2:18 AM
hey friend help me have the same problem but in a G405 download the driver for win G405 page 8 and win 7 and I get the same message no driver to be installed Appropriate've already downloaded to the g405s but does not work
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