Windows 8 and 8.1 Forums


Windows 8.1 x64 | DRIVER IRQL | L1C63x64.sys

  1. #1


    Posts : 6
    Windows 8.1

    Windows 8.1 x64 | DRIVER IRQL | L1C63x64.sys


    Lenovo y410p
    Core i7-4700M
    RAM : 8GB
    NVIDIA GeForce GT 755M

    Hello. I have been getting a couple of BSODs lately and i used driver verifier and found out that it is caused by L1C63x64.sys. I have already updated my Atheros Lan driver to the latest version but i'm still getting this BSOD. Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30).
    I have attached the minidump file.
    Thanks

      My System SpecsSystem Spec

  2. #2


    Posts : 660
    windows 8.1


    Because you have a lenovo laptop did you installed the Lenovo driver or the generic Atheros driver.
    Here you have the lenovo windows 8.1 driver.
    Atheros LAN Driver for Windows 8.1(64-bit) - IdeaPad Y410p, Y510p - Lenovo Support (US)
      My System SpecsSystem Spec

  3. #3


    Posts : 6
    Windows 8.1


    I installed the atheros lan driver from Lenovo.
      My System SpecsSystem Spec

  4. #4


    Posts : 6
    Windows 8.1


    bump
      My System SpecsSystem Spec

  5. #5


    Posts : 6
    Windows 8.1


    can anyone help?
      My System SpecsSystem Spec

  6. #6


    Posts : 660
    windows 8.1


    This is the driver timestamp from the dumpfile.
    1: kd> lmvm L1C63x64
    start end module name
    fffff801`d09a6000 fffff801`d09c9000 L1C63x64 T (no symbols)
    Loaded symbol image file: L1C63x64.sys
    Image path: \SystemRoot\system32\DRIVERS\L1C63x64.sys
    Image name: L1C63x64.sys
    Timestamp: Tue Jul 16 08:56:31 2013 (51E4EE9F)
    CheckSum: 0002294A
    ImageSize: 00023000
    Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
    The windows 8.1 driver from Lenovo names the following version and date 2.1.0.21
    10/16/2013

    To be sure you have the latest version and your current version is not corrupted i would uninstall the current driver and reinstall the above windows 8.1. driver.
      My System SpecsSystem Spec

  7. #7


    Posts : 6
    Windows 8.1


    Thanks for your help! I uninstalled and reinstalled the Atheros LAN driver again and i havent got any BSOD yet. Will update you if i run into another BSOD.
      My System SpecsSystem Spec

Windows 8.1 x64 | DRIVER IRQL | L1C63x64.sys
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