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  1. #1
    ROG Enthusiast Array ATR-42's Avatar
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    Unhappy New ROG Z370-E build, no Ethernet recognized

    Hello guys,
    Im helping my nephew build his first PC. Ive built a bunch of PCs, and this is the first time ive run into this problem...

    everything went super smooth, all hardware, good 1st post, windows 10 install ect... noticed no ethernet connection after windows install, i figured ok maybe I just need to install the intel Ethernet drivers from the asus website via USB... no luck... windows keeps saying "an Ethernet cable is not properly plugged in or might be broken".

    I tested the Ethernet jack at the wall, and wire, they work perfectly when plugged into anther PC
    I updated the BIOS to 0805 - and reset it to defaults...
    I turned off, and turned back on the Ethernet inside bios onboard devices. tried turning on and off the wifi as well inside the bios.
    just for laughs tried another cable. tried wiggling the cable at the MB... there are no lights illuminating on network jack of the motherboard...
    I went directly to intel site, downloaded intel drivers, removed the drivers that were installed, and installed the ones directly from intel... nadda.

    ive prob built 12 PC in my life and ive never seen a defective ethernet controller. or one that said 'no wire detected'
    for the time being I have him running on the 370's built in Wifi, which kind of defeats the purpose of building an awesome rig...

    I am going to call tech support tomorrow and chat with them, I suspect they may ask me to RMA the board which i really dont feel like unbuilding this thing and building it again. My thought was to install a PCI-E network card... im thinking in the grand scheme of things, it will prob be just as fast ?

    has anyone seen or dealt with anything like this before?


    build specs.
    - Z370-E
    - i7 8700k
    - gtx 1070
    - m.2 cruicial mx500
    - 16 gb of QVL ram running at 3200
    - 850 watt evga PSU
    - win 10 home 64 bit
    - all temperatures are good, everything on this board and build are functioning perfectly otherwise
    Last edited by ATR-42; 06-20-2018 at 08:10 PM.
    Asus GL752V- win 10, 16gb ram, 960m, i7 6700, SSD
    Acer Predator Helios 500, i7 8750H, GTX1070
    Desktop- win 10, i7 6700k, 16gb ram, evga 1080ti, nvme

  2. #2
    Banned Array JustinThyme PC Specs
    JustinThyme PC Specs
    Laptop (Model)G752VY-DH72
    MotherboardRampage VI Extreme
    ProcessorI9 9940X
    Memory (part number)64GB DDR4 8x8 Corsair Dominator Platinum 3800 MHz @ C17
    Graphics Card #1ASUS Strix 2080Ti O11G @ 2.1GHz
    Graphics Card #2ASUS Strix 2080Ti O11G @ 2.1Ghz
    Graphics Card #3ROG Nvlink
    Graphics Card #4Have to feed animals
    Sound CardExternal Audioengine D1 24 bit 192kbps DAC
    MonitorASUS PG348Q @ 100Hz
    Storage #1Intel 905P 480GB U2 flavor
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    CPU CoolerHeatKiller IV PRO and VRM blocks ,Dual D5 PWM serial, 2X 480, 1X 360 RADS
    CasePhanteks Enthoo Elite 8X LL120 PWM, 3X LL140 PWM, 12 SP120 PWM 1x AF140 PWM
    Power SupplyCorsair AX 1500i
    Keyboard ASUS Claymore
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    Headset/Speakers Audioengine A5+ with SVS SB-1000 Sub
    OS Win10 Pro 1809
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    Accessory #1 NetGear Prosafe 10GBe Switch
    Accessory #2 Qnap TVS-682 NAS modded with I7 CPU

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    My gut on this one is the board is defective. Generally speaking the ethernet will work so long as its enabled in the BIOS and crappy windows default drivers may not be optimal but they work.

  3. #3
    ROG Enthusiast Array ATR-42's Avatar
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    Justin thanks,
    kind of confirming what i think is the only logical explanation. so bummed... ive never seen or heard of the lan controller being defective on a MB, everything else is working perfectly fine...
    I might go the route of installing a PCI-E network card and call it done, while not as clean, the speed and performance should be nearly the same over cable internet.

    its just odd, windows does see the on-board intel LAN controller in the device manager, but it believes there is no wire present...
    Last edited by ATR-42; 06-20-2018 at 01:05 PM.
    Asus GL752V- win 10, 16gb ram, 960m, i7 6700, SSD
    Acer Predator Helios 500, i7 8750H, GTX1070
    Desktop- win 10, i7 6700k, 16gb ram, evga 1080ti, nvme

  4. #4
    ROG Enthusiast Array ATR-42's Avatar
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    spoke with ASUS. they have great customer service, it's nice to call and be connected with a human quickly who knows what they are doing. the situation stinks but im still glad i bought from them.

    we ran through everything i did already but he suggest i clear the CMOS which i did not think of doing... if CMOS doesnt work he suggested returning it to newegg or RMA it to them.
    Last edited by ATR-42; 06-20-2018 at 07:44 PM.
    Asus GL752V- win 10, 16gb ram, 960m, i7 6700, SSD
    Acer Predator Helios 500, i7 8750H, GTX1070
    Desktop- win 10, i7 6700k, 16gb ram, evga 1080ti, nvme

  5. #5
    ROG Guru: Orange Belt Array chevell65 PC Specs
    chevell65 PC Specs
    MotherboardROG Strix Z370-H, ROG Maximus VII Z97
    ProcessorIntel 4790K 4.6GHz, Intel i5 8400, Intel e8600 Wolfdale, Intel Q9650 Yorkfield, Intel E6750 Conroe
    Memory (part number)16GB G.Skill PC3600
    Graphics Card #1GTX 660 OC
    MonitorAsus 23"
    CaseCorsair clear case
    Power SupplyThermaltake
    Keyboard Logitech G15
    Mouse Logitech G9
    OS Windows 10 Pro
    Network RouterDLink DIR-655, Asus AC88
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    There are quite a few different Intel LAN driver versions depending on which version of Windows 10 you are using. I'm assuming you are using the latest Windows 10 version which is 1803. Try installing the latest Intel LAN drivers dated 5/30/2018 from this page, maybe it will help.

  6. #6
    ROG Enthusiast Array ATR-42's Avatar
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    Quote Originally Posted by chevell65 View Post
    There are quite a few different Intel LAN driver versions depending on which version of Windows 10 you are using. I'm assuming you are using the latest Windows 10 version which is 1803. Try installing the latest Intel LAN drivers dated 5/30/2018 from this page, maybe it will help.
    Thanks Chev, those are the drivers i installed after the ones from the MB page on the ASUS site. it recognizes the ethernet controller in device manager, no errors, just doesnt sense that there is a functioning wire in the port....

    one more thing i need to check... is that perhaps one of the grounding pins from the I/O panel got jammed in the RJ45 jack but i highly doubt it. i will have a look shortly.
    Asus GL752V- win 10, 16gb ram, 960m, i7 6700, SSD
    Acer Predator Helios 500, i7 8750H, GTX1070
    Desktop- win 10, i7 6700k, 16gb ram, evga 1080ti, nvme

  7. #7
    ROG Enthusiast Array ATR-42's Avatar
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    update...
    installed NIC in lower PCI-E slot... nothing. Light came on the ethernet card, but windows couldnt find any changes or the network adapter. argh... i was about to give up and start taking the thing apart, when as a last resort, i stuffed it into the upper PCI-E slot right under the GPU and somehow all became right in the world. put it in gigabyte mode, full duplex, and it ran limited only by the ISP limit. disabled the on-board LAN and WiFi too.

    not a true fix to a busted motherboard but i think it will be good for his gaming. i wish i had a rig like that when i was 14!
    Last edited by ATR-42; 06-20-2018 at 07:46 PM.
    Asus GL752V- win 10, 16gb ram, 960m, i7 6700, SSD
    Acer Predator Helios 500, i7 8750H, GTX1070
    Desktop- win 10, i7 6700k, 16gb ram, evga 1080ti, nvme

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