3 Replies Latest reply on Mar 28, 2016 8:29 AM by ivanu_intel

    Windows 10 Insider build 14279 vs. igfxCPL




      Answers (N/A if not applicable)


      Provide a detailed description of the issue

      .NET exception when selecting display or 3d, blank window with options or energy in igfxCPL

      Does it fail every single time, or only sometimes?
      If you can offer a % rate please do.

      100% with this build,

      worked with previous builds, don't remember when i used CPL last time

      Hardware (HW)

      Brand and Model of the system.

      ACER Aspire E5-571G

      Hybrid or switchable graphics system?
      ie Does it have AMD or NV graphics too?


      Make and model of any Displays that are used to see the issue (see note2 below).
      = Local Flat Panel (Laptop panel)
      EFP = External Flat Panel (Monitor you plug in)


      How much memory [RAM] in the system (see note2 below).

      8 GB

      Provide any other hardware needed to replicate the issue.
      ie: Cables&brand, cable type [vga, hdmi, DP, etc], dock, dongles/adapters, etc


      Hardware Stepping (see note1 below).






      Software (SW)

      Operating System version (see note2 below).

      Windows 10 Insider build 14279

      VBIOS (video BIOS) version. This can be found in “information page” of CUI (right click on Desktop and select “Graphics Properties”.

      GOP 1025

      Graphics Driver version; for both integrated Intel and 3rd party vendors (see note2 below).

      NVIDIA 356.45

      Intel v4349, v4380, v4390

      SW or Apps version used to replicate the issue.



      Single display, clone, or extended (see note2 below).


      Display resolution & refresh rate setting of each display (see note2 below).

      1920x1080 , 60Hz

      AC or DC mode, i.e. is power cable plugged in or not?


      How to repro

      Please provide steps to replicate the issue.  These steps are very crucial to finding the root cause and fix.
      A screenshot to illustrate the issue is a huge plus. A video of the failure is even better! Attach to the post or provide the YouTube link.

      1. update Windows 10 to build 14279
      2. launch igfxCPL.cpl
      3. select options



      The exception is independent from Intel graphics driver version, looks like .NET has been optimised to the death (again).

      As aforementioned .NET sometimes crashes on ROW Windows versions, but works on north-american Windows versions at the same time.