Windows 8.1 BSOD: netwlv64.sys

Anonymous
2013-10-23T08:39:56+00:00

My Windows 8.1 Pro running on HP 8510w mobile workstation keeps crashing with a Blue Screen of Death STOP error on random accasions.

Bugcheck code 0x000000d1, DRIVER_IRQL_NOT_LESS_OR_EQAL in netwlv64.sys

The driver is related to the built-in Intel WiFi Link 4965AGN WLAN module.

This is a fresh installation of Windows 8.1 Pro. Using default Microsoft driver for the wireless module:

Driver Provider: Microsoft

Driver Date: 15.08.2010

Driver Version: 13.3.0.137

There is no driver for Windows 8.1 provided by Intel for this module. The one from Microsoft obviously does not work properly and crashes Windows 8.1.

There is another issue with this driver not re-connecting after standby but this I was able to resolve by disabling 802.11n Mode in advanced device properties (device manager). But this is another topic.

There seems to be something seriously wrong with the driver Microsoft provides and Internet research provides many results about people having the same issue. Does anybody have an idea how to fix the issues?

Windows for home | Previous Windows versions | Windows update

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  1. Anonymous
    2014-01-14T07:52:22+00:00

    I have done a bit of of research on the Intel web page and found that Intel seems to have dropped support for 4965AGN WiFi chipset somewhere between version 15.3.1 and 15.3.50 releases made on the same day. All following driver versions do not support this chipset.

    So I have installed version 15.3.1 now and my device manager now shows:

    Driver Provider: Intel

    Driver Date: 07.10.2010

    Driver Version: 13.4.0.139

    Interestingly the data matches the one from the "Microsoft" driver quite well. I guess the Microsoft driver is just based on Intel 13.3 edition drivers released a couple of months earlier.

    What I could test already is that also with the Intel 13.4.0.139 driver the card won't re-connect to wifi after standby resume. This time I just disabled MSI in the registry for this device rather than disabling 802.11n mode in device properties. It seems to fix the resume issue for me on the Intel 13.3.0.139 driver:

    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\PCI\VEN_8086&DEV_4229&SUBSYS_11018086&REV_61\4&34ad53c6&0&00E1\Device Parameters\Interrupt Management\MessageSignaledInterruptProperties]

    "MSISupported"=dword:00000000

    NOTE: You might have to adapt the device identifier (VEN_8086&DEV_4229&SUBSYS...) according to your hardware.

    Though I have little hope that the driver will run stable for hours as it seems to behave exactly like the Microsoft driver (which is likely just re-branded Intel driver too).

    I still wonder why the WiFi driver which was working fine with Windows Vista, 7 and even 8(.0) can crash the Windows 8.1 kernel so badly.

    Update: I still had to disable 802.11n mode as standby resume issue was not fixed by just disabling MSI. I suspect this time it just took longer for Windows to notice that connection is actually lost after wakeup. This time the driver behaves quite randomly. Even with 802.11n mode disabled it sometimes does not return from standby and is unable to connect to any network after resume. The only way to revive it is to reboot or disable/enable the device.

    Thank you, I edited the registry as instructed in this detail, and My 8.1 clean install has NOT rolled-over after many hours of operation.  If it doe I will edit this post, but if your getting this error, this worked on my Sony Viao  -

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  2. Anonymous
    2014-01-14T07:18:16+00:00

    FIXED!!! Happy dance, oh HAPPY DANCE!!! Bought a Centrino Ultimate 6300N card to replace the 4965AGN card. Under $30, took 5 minutes to replace, and NO BSOD anymore!!! Added bonus, my lapyop is now a dual band wifi! 

    Easiest, least expensive fix...replace your old, un-supported 4965AGN card with one that is supported. VOILA!

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  3. Anonymous
    2014-01-13T21:26:41+00:00

    Hi,

    I was an early adaptor of Win 8.0 and never had a problem with our (old) HP laptops. A month after installing 8.1 the netwlv64.sys BSOD started. Now (Jan. 2014) it occurs several times a day. No doubt “something” happened between 8.0 and 8.1 that is not fully understood or admitted.

    Please let me know if anyone comes up with a solution.

    Best regards,

    Ole

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  4. Anonymous
    2014-01-06T05:34:46+00:00

    I gotcha. I agree. Downgrading to Windows 8 crossed my mind too, but I don't want to do that either.

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  5. Anonymous
    2014-01-06T05:15:53+00:00

    No "LOL", that was something I thought had been erased. Oops. I understand the driver is still running. I had Win8 for 1 yr and never experienced BSOD...never. Upgraded to Win8.1 and bam! Losing work left and right. So the thought of using Win8 mode, eg...working OS, was a thought. But I understand your explanation, thanks. I'm pretty much just thinking outloud while I wait for the new card to arrive.

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