1.    07 Feb 2016 #1
    Join Date : Jul 2015
    SouthWest, FLorida
    Posts : 470
    Win 10 Pro (x64), OSX 10.11

    Intel 7260 AC Wi-Fi adapter

    I have a Dell XPS 8700 that came with a Dell 1704 A/B/G/N Wi-Fi adapter. This is a rebranded Broadcom card.
    After Windows 10 Pro conversion since July 2015, the Wi-Fi adapter worked fine but if I activated Hyper-V with Windows 10 Pro, I got BSODs with error 0x50 like:

    On Fri 1/22/2016 4:14:34 AM GMT your computer crashed
    crash dump file: C:\WINDOWS\Minidump\012116-7046-01.dmp
    This was probably caused by the following module: bcmwl63a.sys (bcmwl63a+0x8EA6F)
    Bugcheck code: 0x50 (0xFFFFF6FB400037A8, 0x0, 0x0, 0x6)
    file path: C:\WINDOWS\system32\drivers\bcmwl63a.sys
    product: Broadcom WiFi Driver wireless driver
    company: Broadcom Corp
    description: Broadcom WiFi Driver wireless driver
    Bug check description: This indicates that invalid system memory has been referenced.
    This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
    A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: bcmwl63a.sys (Broadcom WiFi Driver wireless driver, Broadcom Corp).
    Google query: Broadcom Corp PAGE_FAULT_IN_NONPAGED_AREA

    I even run memtest for a long time to rule out memory problem with 8-9 passes.

    I experimented with several versions of bcmwl63.sys. Again it works fine with Windows 10 Pro but as soon I work with Hyper-V I still get BSOD occasionally..

    Frustrated, I purchased and replaced the Dell 1704 card with an Intel 7260 AC. I just let Windows 10 installed the driver.
    After one day of working Hyper-V with Windows 10 Pro. It is still running fine!

    I am not solving my problem just side step for now! Have any one have similar experience?

    I am at Windows 10 10586.71 with this XPS 8700.
      My ComputerSystem Spec
  2.    07 Feb 2016 #2
    Join Date : May 2015
    Central IL
    Posts : 4,361
    Mac OS Sierra

    That would not surprise anyone with Hyper-V, that the Broadcom chipset is causing it to crash. I have two laptops with the 7260 mini-PCIe cards in them and have had zero issues. I did have to place the second antenna up in the Battery compartment, only because I did not feel like tearing apart the lid to place it up there.
      My ComputerSystem Spec
  3.    08 Feb 2016 #3
    Join Date : Jul 2015
    SouthWest, FLorida
    Posts : 470
    Win 10 Pro (x64), OSX 10.11
    Thread Starter

    Wow, it is going toward the 72 hours of operating Wi-Fi with Hyper-V without any error!
    Beside the absence of bug check error 0x50, Intel 7260 is AC device, so now I am connecting with 867 Mbps instead of 300 Mbps with the old Broadcom chip.

    The best $24 I ever spend! Thanks Intel
      My ComputerSystem Spec
  4.    08 Feb 2016 #4
    Join Date : May 2015
    Central IL
    Posts : 4,361
    Mac OS Sierra

    I am guessing you are using AC. I get around 265 with mine on Wireless-N on my Toshiba Satellite C850D-st3nx1.

    I can say that doing the change to the better card has been the best money well spent also.
      My ComputerSystem Spec


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