Dell Latitude E7450 Wifi driver causing BSOD

  1.    #1

    Dell Latitude E7450 Wifi driver causing BSOD

    Hey all,

    I have a user with a Dell Latitude E7450 that has recently In-Place Upgraded to Windows 10 (from Windows 7) and ever since the upgrade, her Wifi blue screens when running a speedtest from (Or presumably after any extensive Wifi use) I have tried updating the drivers from Windows Update as well as from Dells website and the laptop is certified as being Windows 10 certified.

      My ComputerSystem Spec

  2. Ztruker's Avatar
    Posts : 7,507
    Windows 10 Pro X64 1809 17763.348

    Latest dump indicates a problem with bcmwl63a.sys
    *** WARNING: Unable to verify timestamp for bcmwl63a.sys
    *** ERROR: Module load completed but symbols could not be loaded for bcmwl63a.sys
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    Use !analyze -v to get detailed debugging information.
    BugCheck 1000007E, {ffffffffc0000005, fffff80184db0c7a, ffffd00027db96d8, ffffd00027db8ef0}
    Probably caused by : bcmwl63a.sys ( bcmwl63a+150c7a )
    That belongs to Broadcom 802.11 ac, the wireless device, which is actually the Dell Wireless 1560 802.11ac

    The installed driver is dated Mon Nov 23 17:56:21 2015.
    The Dell web site shows one dated 06 Jan 2016

    Dell Wireless 1550/1560 WiFi Driver
    File Name:     Network_Driver_HFTJF_WN32_7.35.333.0_A03.EXE
    Importance:    Recommended
    Description:   Update Package for Microsoft® Windows® (99.17 MB)
    Release Date:  06 Jan 2016
    Version:       7.35.333.0 ,A03
    Last Updated:  11 May 2016
    Try downloading and installing this one.
      My ComputersSystem Spec

  3.    #3

    That was the file I downloaded from Dell's website, (I downloaded it again and connected into her machine to install again to verify)

    Attachment 92823Attachment 92824
      My ComputerSystem Spec

  4. Ztruker's Avatar
    Posts : 7,507
    Windows 10 Pro X64 1809 17763.348

    The version matches so that appears to have been installed okay. Lets wait and see if another problem occurs. If it does, run DM_Log_collector again and upload the zip file.
      My ComputersSystem Spec

  5.    #5

    She has still been getting blue screens, that was also the driver I had installed before, here are the latest DM log collector logs.

      My ComputerSystem Spec

  6. Ztruker's Avatar
    Posts : 7,507
    Windows 10 Pro X64 1809 17763.348

    Still the same problem:
    BugCheck 1000007E, {ffffffffc0000005, fffff80164510c7a, ffffd000252946d8, ffffd00025293ef0}
    Probably caused by : bcmwl63a.sys ( bcmwl63a+150c7a )
    Followup: MachineOwner
    3: kd> lmvm bcmwl63a
    start             end                 module name
    fffff801`643c0000 fffff801`650fc000   bcmwl63a T (no symbols)           
        Loaded symbol image file: bcmwl63a.sys
        Image path: bcmwl63a.sys
        Image name: bcmwl63a.sys
        Timestamp:        Mon Nov 23 17:56:21 2015 (56539995)
        CheckSum:         00B45B74
        ImageSize:        00D3C000
        Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
    Notice the date on the driver is still Mon Nov 23 17:56:21 2015 which does not match what is on the Dell site.

    I downloaded the driver from Dell then expanded it and bcmwl63a.sys is not in it. Now I'm totally confused.

    Almost identical problem here: BSOD on Windows 10 [Broadcom 802.11 Wireless Driver, bcmwl63a.sys] - Windows 10 Forums

    Resolution was to backup data then do a Clean Install. What are your thoughts on doing that?
      My ComputersSystem Spec

  7.    #7

    Thanks for checking everything out, unfortunately Its a remote user that's having the problem so I think she will end up rolling back to Windows 7 the installation.

      My ComputerSystem Spec

  8. Ztruker's Avatar
    Posts : 7,507
    Windows 10 Pro X64 1809 17763.348

    Probably the best choice. Some things are difficult to work on remotely.
      My ComputersSystem Spec


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