Windows 10: Persistent BSOD: driver_irql_not_less_or_equal L1C63x64.sys

Discus and support Persistent BSOD: driver_irql_not_less_or_equal L1C63x64.sys in Windows 10 BSOD Crashes and Debugging to solve the problem; I've been having the same BSOD for the last few months. I haven't noticed a pattern about when it crashes, I tried to use the program Driver Booster 3... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by OmnipotentSpoon, Apr 16, 2016.

  1. Persistent BSOD: driver_irql_not_less_or_equal L1C63x64.sys

    I've been having the same BSOD for the last few months. I haven't noticed a pattern about when it crashes, I tried to use the program Driver Booster 3 to update everything but clearly isn't a solution like I hoped.

    Since it started happening I've done both a system restore and a fresh install of windows 10, neither of which have helped. I've tried a number of things from other forum posts with the same error, but I can't remember specifics about what I did. A number of them cited Nvidia as causing the problem, I have an Nvidia 660m if that helps.

    Any help is appreciated.

    OmnipotentSpoon, Apr 16, 2016


    I did as instructed and it worked for a couple of days but I just had another BSoD with the error DRIVER_IRQL_NOT_LESS_OR_EQUAL related to L1C63x64.sys
    apratsunrthd, Apr 16, 2016
  3. BSOD - driver_irql_not_less_or_equal (l1c63x64.sys)

    Hi Seung,

    Sorry for the inconvenience caused by BSOD - driver_irql_not_less_or_equal (l1c63x64.sys).

    Please let us know the make/model of your computer.

    The L1C63x64.sys is the Atheros LAN driver and I would suggest to uninstall and reinstall the Atheros LAN driver but install the latest Atheros LAN driver by visiting the manufacture's website and avoid using any LAN driver available though Windows Update.

    However the problem could also be with any VPN software and other software so make sure you have the latest version of each of these software.

    If the errors continue uninstall the VPN software and check if the issue persist.

    Hope this helps. Get back to us for further queries for BSOD - driver_irql_not_less_or_equal (l1c63x64.sys). We are happy to help!
    Joy Kemprai, Apr 16, 2016
  4. ARC
    Arc Win User

    Persistent BSOD: driver_irql_not_less_or_equal L1C63x64.sys

    I have checked the latest crash dump only, because that provides adequate and enough information.
    Code: BugCheck D1, {0, 2, 0, fffff801a8d86cb3} *** WARNING: Unable to verify timestamp for L1C63x64.sys *** ERROR: Module load completed but symbols could not be loaded for L1C63x64.sys Probably caused by : L1C63x64.sys ( L1C63x64+6cb3 ) Followup: MachineOwner ---------[/quote] The failing module is the driver to Qualcomm Atheros AR8151 PCI-E Gigabit Ethernet Controller. And it does not support windows 10.

    Being curious, I looked a little deeper .... this is your computer:
    Code: BiosVersion = G75VW.223 BiosReleaseDate = 01/07/2013 SystemManufacturer = ASUSTeK COMPUTER INC. SystemProductName = G75VW SystemFamily = G SystemVersion = 1.0 SystemSKU = ASUS-NotebookSKU[/quote] And it also is not compatible with windows 10; apparently. ROG G75VW | ROG - Republic Of Gamers | ASUS USA
    Attachment 75224I think you should contact ASUS. Ask them if you can run windows 10 on this hardware. If there is no compatible driver, then the issues are must.

Persistent BSOD: driver_irql_not_less_or_equal L1C63x64.sys

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