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  1. #1
    ROG Member Array
    Join Date
    Mar 2015

    "Event Viewer" The embedded controller (EC) returned data when none was requested.

    Hello Asus
    I recently reinstalled Windows 10 on my new ROG MAXIMUS X HERO with an i7 8700k CPU. In the event viewer I keep seeing this warning message? any idea what this mean? I have the latest BIOS update already installed for this motherboard.

    : The embedded controller (EC) returned data when none was requested. The BIOS might be trying to access the EC without synchronizing with the operating system. This data will be ignored. No further action is necessary; however, you should check with your computer manufacturer for an upgraded BIOS.

    See image thanks

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  2. #2
    ROG Enthusiast Array jjxakergm PC Specs
    jjxakergm PC Specs
    MotherboardASUS Maximus IX Apex@MyMOD BIOS
    ProcessorIntel Core i3-8350k
    Memory (part number)G.Skill F4-3600C16D-16GTZR
    Graphics Card #1MSI GTX 1080 Ti Gaming X
    MonitorDell u2713H
    Storage #1Samsung 960 EVO 250GB
    Storage #2Samsung 960 PRO 512GB
    CPU CoolerDeepcool Captain 240 EX
    CasePhanteks Enthoo Pro M Tempered Glass
    Power SupplySeasonic PRIME 750W Titanium
    Keyboard G.SKILL Ripjaws KM780 RGB
    Mouse Razer Lancehead TE
    Mouse Pad G.SKILL Ripjaws MP780
    Headset/Speakers Edifier R2800 + Supra ZAC Toslink Optical
    OS Win 10 RS4 x64@MyMod OS/ISO
    Network RouterAsus RT-N65U@Сustom FW "Project Padavan"

    Join Date
    May 2017

    1) Flash the last bios
    2) Make Clear Cmos
    3) Do not use none utilities from Asus
    That's all, the problem will be solved.
    This error is caused by a conflict between utilities and BIOS, these problems have been for many years, Asus simply needs to change the management approach.
    Last edited by jjxakergm; 02-21-2018 at 10:14 PM.

  3. #3
    ROG Guru: Yellow Belt Array Deepcuts PC Specs
    Deepcuts PC Specs
    MotherboardAsus Maximus X HERO BIOS 1901
    ProcessorIntel i7 8700K @ 4.7Ghz 1.215V
    Memory (part number)CMR32GX4M4C3466C16 @ 3200Mhz 1.360V
    Graphics Card #1Asus Strix GTX 1080Ti OC 11GB
    Sound CardCreative Omni 5.1 USB
    MonitorDell 24' S2417DG
    Storage #1Samsung EVO 960 nvme 500 GB
    Storage #2Seagate NAS 8TBx2
    CPU CoolerNZXT Kraken X62
    CaseFractal Design Define R5 Black
    Power SupplyCorsair AXi760
    Keyboard Razer DeathStalker Chroma
    Mouse Razer Abyssus
    OS Windows 10
    Network RouterMikrotik

    Join Date
    Jan 2014

    You might get those errors when using software like hwinfo.
    You can just ignore it.

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