4. f.lux Flickers at random times during the night

f.lux Flickers at random times during the night

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    I have a Windows Surface Pro 4 with Windows 10 installed and has all the latest Windows updates. Every once in a while f.lux starts to flicker going from orange to white. Occasionally it stops and is orange and working right, then after a moment it starts to flicker again.

    I have not changed any setting within Windows or f.lux and it's only been in the last week that this has been happening. I've ignore it a couple times as I was drawing and just turned it off, but tonight I'm working and it's flickering, making my eyes hurt.

    Anyone have any suggestions?

    0 1 Reply

  • @pbg146 On windows 10, your task bar, at the bottom: click the notification icon (white box, maybe with a number) and look for a whole bunch of options--if you have a boatload of them, then you have the creators update. If you only have about 9 or so, then you do not have the creators update.

    If you have the update, look for something called "blue light" etc. It's a new feature that is like f.lux and maybe it's on by default. Another way to get to this feature (if you have it) is to go into "display settings" and it should be where you change the size of the screen.

    If you don't have any of this, then it would help to know what video hardware you have so we can check settings and driver versions. An easy way to do that is to type in

    "dxdiag" which is directx diagnostics. On the display tab, it will list your graphics card that is outputting your display. If you have multiple cards, then use the device manager, and the "display adapter" area to find the models of your hardware for video.

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    @Tungsten_smooth I have a "Night Light" option, but it's turned off.

    Here't the display information:

    System Information

      Time of this report: 6/8/2017, 11:29:57
         Machine name: DESKTOP-ICJQKLN
           Machine Id: {716F205D-5AA3-41FA-A3A4-FF4F832BC3FF}
     Operating System: Windows 10 Pro 64-bit (10.0, Build 15063) (15063.rs2_release.170317-1834)
             Language: English (Regional Setting: English)
  System Manufacturer: Microsoft Corporation
         System Model: Surface Pro 4
                 BIOS: 106.1624.768
            Processor: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz (4 CPUs), ~2.5GHz
               Memory: 8192MB RAM
  Available OS Memory: 8118MB RAM
            Page File: 5828MB used, 6641MB available
          Windows Dir: C:\WINDOWS
      DirectX Version: DirectX 12
  DX Setup Parameters: Not found
     User DPI Setting: Using System DPI
   System DPI Setting: 96 DPI (100 percent)
      DWM DPI Scaling: Disabled
             Miracast: Available, with HDCP

    Microsoft Graphics Hybrid: Not Supported
    DxDiag Version: 10.00.15063.0000 64bit Unicode

    DxDiag Notes

      Display Tab 1: No problems found.
    Sound Tab 1: No problems found.
      Input Tab: No problems found.

    DirectX Debug Levels

    Direct3D: 0/4 (retail)
    DirectDraw: 0/4 (retail)
    DirectInput: 0/5 (retail)
    DirectMusic: 0/5 (retail)
    DirectPlay: 0/9 (retail)
    DirectSound: 0/5 (retail)
    DirectShow: 0/6 (retail)

    Display Devices

          Card name: Intel(R) HD Graphics 520
   Manufacturer: Intel Corporation
      Chip type: Intel(R) HD Graphics Family
       DAC type: Internal
    Device Type: Full Device
     Device Key: Enum\PCI\VEN_8086&DEV_1916&SUBSYS_00151414&REV_07
  Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]

    Device Problem Code: No Problem
    Driver Problem Code: Unknown
    Display Memory: 4187 MB
    Dedicated Memory: 128 MB
    Shared Memory: 4059 MB
    Current Mode: 1440 x 900 (32 bit) (60Hz)
    Monitor Name: Surface Display
    Monitor Model: unknown
    Monitor Id: SDC3853
    Native Mode: 2736 x 1824(p) (60.008Hz)
    Output Type: Internal
    Driver Name: igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igd12umd64.dll
    Driver File Version: 20.19.0015.4463 (English)
    Driver Version: 20.19.15.4463
    DDI Version: 12
    Feature Levels: 12_1,12_0,11_1,11_0,10_1,10_0,9_3,9_2,9_1
    Driver Model: WDDM 2.0
    Graphics Preemption: Triangle
    Compute Preemption: Thread
    Miracast: Supported
    Hybrid Graphics GPU: Integrated
    Power P-states: Not Supported
    Driver Attributes: Final Retail
    Driver Date/Size: 7/5/2016 7:00:00 PM, 40212952 bytes
    WHQL Logo'd: Yes
    WHQL Date Stamp: Unknown
    Device Identifier: {D7B78E66-5A56-11CF-CB66-1A20BBC2D935}
    Vendor ID: 0x8086
    Device ID: 0x1916
    SubSys ID: 0x00151414
    Revision ID: 0x0007
    Driver Strong Name: oem39.inf:5f63e534f36b7c6d:iSKLD_w10:20.19.15.4463:pci\ven_8086&dev_1916&subsys_00151414
    Rank Of Driver: 00D10001
    Video Accel: ModeMPEG2_A ModeMPEG2_C ModeWMV9_C ModeVC1_C
    DXVA2 Modes: DXVA2_ModeMPEG2_VLD DXVA2_ModeMPEG2_IDCT DXVA2_ModeVC1_D2010 DXVA2_ModeWMV9_IDCT DXVA2_ModeVC1_IDCT DXVA2_ModeH264_VLD_NoFGT DXVA2_ModeH264_VLD_Stereo_Progressive_NoFGT DXVA2_ModeH264_VLD_Stereo_NoFGT DXVA2_ModeH264_VLD_Multiview_NoFGT DXVA2_ModeHEVC_VLD_Main DXVA2_ModeHEVC_VLD_Main10
    Deinterlace Caps: {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC3,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC3,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC3,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC4,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC4,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC4,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
    D3D9 Overlay: Supported
    DXVA-HD: Supported
    DDraw Status: Enabled
    D3D Status: Enabled
    AGP Status: Enabled
    MPO Caps: RGB,YUV,BILINEAR,HIGH_FILTER,STRETCH_YUV,STRETCH_RGB
    MPO Stretch: 5.000X - 0.000X
    MPO Media Hints:
    MPO Formats: YUY2,R16G16B16A16_FLOAT,R10G10B10A2_UNORM,R8G8B8A8_UNORM,B8G8R8A8_UNORM

    0 1 Reply

  • @pbg146 Take out everything after your "display devices" box, that extra stuff doesn't seem relevant and is taking up a lot of space. Actually, I'm glad you kept it as I see your driver version as well, you can check to see if it's updated on the Intel website.

    I see your using Intel 520 graphics, so this is built into the CPU. You'll want to look for updates as stated earlier and you'll also want to look for any installed programs. Right click (long press?) your start menu button and go to control panel > "programs and features" or "uninstall programs" and look around for things that could possibly affect the display.

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    @Tungsten_smooth I checked for updates of all kinds and everything is currently up to date. I'm going to try uninstalling f.lux and re-installing it to see if that doesn't fix the issue. Unless you have another idea.

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