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  1. #41
    ROG Member Array cg49me's Avatar
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    Gents-

    Just finished my build with the subject motherboard, and encountered the same error as described. The sequence of events for me was that I'd installed EZUpdate, used it to flash the BIOS from version 0207 (shipped w/ mobo) to 0601 (what EZUpdate determined to be the latest, although 0702 is available through the Asus website), and when I got back into Windows, the network adapter was just gone. There wasn't even a "Network" category in Device Manager.

    Tried flashing to 0702 using a USB stick, no help.

    Ended up here, and per one of the earlier suggestions, tried powering down, unplugging the PS, and clearing the CMOS, then starting back up. Still no help.

    Finally, I disabled Fast Startup both in Windows and in the BIOS (this has helped solve some wonky issues on my laptop and server box, both Asus-based). Shut the computer down, started it right back up (without unplugging or clearing CMOS), and the network adapter was back! Of course, time will tell if that was actually a fix, or I just got lucky on this startup. I'll be sure to post back if I continue to have issues - hopefully this will help you guys out too (worth a shot).

    *edit*

    Well, it may only be a partial solution... Following a restart, the network adapter disappears again. However, following a full shutdown and powerup, it comes back.
    Last edited by cg49me; 07-15-2018 at 03:51 AM.

  2. #42
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    Quote Originally Posted by cg49me View Post
    Gents-

    Just finished my build with the subject motherboard, and encountered the same error as described. The sequence of events for me was that I'd installed EZUpdate, used it to flash the BIOS from version 0207 (shipped w/ mobo) to 0601 (what EZUpdate determined to be the latest, although 0702 is available through the Asus website), and when I got back into Windows, the network adapter was just gone. There wasn't even a "Network" category in Device Manager.

    Tried flashing to 0702 using a USB stick, no help.

    Ended up here, and per one of the earlier suggestions, tried powering down, unplugging the PS, and clearing the CMOS, then starting back up. Still no help.

    Finally, I disabled Fast Startup both in Windows and in the BIOS (this has helped solve some wonky issues on my laptop and server box, both Asus-based). Shut the computer down, started it right back up (without unplugging or clearing CMOS), and the network adapter was back! Of course, time will tell if that was actually a fix, or I just got lucky on this startup. I'll be sure to post back if I continue to have issues - hopefully this will help you guys out too (worth a shot).

    *edit*

    Well, it may only be a partial solution... Following a restart, the network adapter disappears again. However, following a full shutdown and powerup, it comes back.

    Thank you! this may only be a partial solution but it works for me most of the time now.

  3. #43
    ROG Member Array michaelemcken PC Specs
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    MotherboardCrosshair Vii Hero WiFi
    ProcessorRyzen 2700X

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    Update:

    So I seem to have isolated the problem with the disappearing NIC on the latest C7H WiFi boards.*

    It all comes down to the PSU. I will explain how I tested everything so you can follow, comment or critic my method
    So after receiving my 3rd board, I did what I had done with the previous 2 boards. I put in the board, installed everything for the 10th time and powered up the system.
    Sigh, I ran into the exact same problem again once again..... After this, I suspected that 3 times, it might not have been the board after all (not ruling out, it is a design flaw in the actual board)
    **
    So I went at it and borrow my friends PC , Ryzen 3, DDR4 QVL ram, SSD and Asus B350M with a Corsair CX450M. I have now managed to test all components in my PC, running all components in all different combinations and came up with only one problem. My AX860i, was only acting up with my motherboard C7H and not he's ASUS B350M. My PC ran for 7 days with no problems of the NIC disappearing, but the second I switched back to my AX860i (same BIOS btw.) the NIC disappeared after being turned off for a couple of hours.

    I have also tested the AX860i in a couple of other PCs and experiencing no problems in those build. So could this be a design flaw with the MB, not being able to run with the AX860i ?My guess is this is a design flaw in the MB, but what exactly the flaw is, I am simply not technical enough to understand.

    My PC is now running with a CM450X and it is performing beautifully, with no problems whatsoever.

    I hope this reaches people with the same problem, so they can avoid 2 months of frustration that I have had. If you have any additional questions or I missed anything, write me a DM or post the question here **

  4. #44
    ROG Guru: Yellow Belt Array Baio73 PC Specs
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    MotherboardAsus ROG Crosshair VIII Formula BIOS 3402
    ProcessorAMD Ryzen 3900XT
    Memory (part number)2x8 Corsair 4000C19D
    Graphics Card #1Sapphire RX 5700XT
    MonitorLG 34GK950F
    Storage #1Samsung 980PRO 512Gb NVMe
    Storage #2WD Black SN850 2Tb NVMe
    CPU CoolerCorsair H150i Elite Capellix
    CaseLian Li 011D XL
    Power SupplyCorsair AX860i
    Keyboard Logitech G513
    Mouse Logitech G903 + Powerplay
    Headset G933 Artemis Spectrum
    Mouse Pad Corsair MM 700 RGB
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    Smile

    Quote Originally Posted by michaelemcken View Post
    Update:

    So I seem to have isolated the problem with the disappearing NIC on the latest C7H WiFi boards.*

    It all comes down to the PSU. I will explain how I tested everything so you can follow, comment or critic my method
    So after receiving my 3rd board, I did what I had done with the previous 2 boards. I put in the board, installed everything for the 10th time and powered up the system.
    Sigh, I ran into the exact same problem again once again..... After this, I suspected that 3 times, it might not have been the board after all (not ruling out, it is a design flaw in the actual board)
    **
    So I went at it and borrow my friends PC , Ryzen 3, DDR4 QVL ram, SSD and Asus B350M with a Corsair CX450M. I have now managed to test all components in my PC, running all components in all different combinations and came up with only one problem. My AX860i, was only acting up with my motherboard C7H and not he's ASUS B350M. My PC ran for 7 days with no problems of the NIC disappearing, but the second I switched back to my AX860i (same BIOS btw.) the NIC disappeared after being turned off for a couple of hours.

    I have also tested the AX860i in a couple of other PCs and experiencing no problems in those build. So could this be a design flaw with the MB, not being able to run with the AX860i ?My guess is this is a design flaw in the MB, but what exactly the flaw is, I am simply not technical enough to understand.

    My PC is now running with a CM450X and it is performing beautifully, with no problems whatsoever.

    I hope this reaches people with the same problem, so they can avoid 2 months of frustration that I have had. If you have any additional questions or I missed anything, write me a DM or post the question here **
    Well, happy you made through!
    I'm not "technical" too but I think your method is good.
    By the way, I've the same mobo and the same PSU and never had the NIC disappearing problem… so far. Maybe different hardware revisions?
    Did you plug the PSU's USB header in the mobo or not? I have it connected to a Corsair Commander Pro, maybe also this is significant.
    Last thing, did you try to open a ticket with Corsair Assistance? Maybe they are aware of the problem and can arrange you a free substitution of the PSU.

    Baio

  5. #45
    ROG Member Array cg49me's Avatar
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    Quote Originally Posted by michaelemcken View Post
    ...AX860i...
    Running an AX1600i here, so there might be something to the theory on Corsair power supplies.

    Also, Baio's suggestion on trying things out with the Corsair USB connection disconnected is worth giving a shot. Device Manager was griping about not being able to find drivers for a "USB API" device until I installed the Corsair software. Actually, come to think about it, my network adapter problems started right about the time I installed that software (performed the BIOS update around the same time, so it's all a blur)... Hmm...

    I'll try some experiments of my own this weekend. Check back for updates...

    *edit*

    Well, at least for me, Corsair Link doesn't seem to be the instigator. I tried pulling the USB connection from the power supply and uninstalling the Corsair Link software - network adapter still disappears on restart.
    Last edited by cg49me; 07-20-2018 at 08:33 PM.

  6. #46
    ROG Member Array QuadJunky PC Specs
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    ProcessorRyzen 2700x
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    Power SupplyAx860i

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    Quote Originally Posted by michaelemcken View Post
    Update:

    So I seem to have isolated the problem with the disappearing NIC on the latest C7H WiFi boards.*

    It all comes down to the PSU.

    I hope this reaches people with the same problem, so they can avoid 2 months of frustration that I have had. If you have any additional questions or I missed anything, write me a DM or post the question here **
    I tried too save you two months of pain when I said it was the PSU back on page 3 as I had the same issues with my ax860i.
    As much as I want to reinstall my new ax860i corsair sent me I am hesitant due to the pain of redoing everything if the new one has thew same issues.

    Glad you finally got it sorted out
    Last edited by QuadJunky; 07-21-2018 at 11:05 AM.

  7. #47
    ROG Member Array cg49me's Avatar
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    Well, I'm further convinced this is a BIOS issue. I was playing around with my fan curves today (running 0702) *before* booting into Windows. Saved changes and reset, and the network adapter was gone in Windows. It appears that the network adapter only functions on the first POST/BIOS boot, and isn't dependent on the first OS boot.

    When I was first setting up the system (shipped with BIOS version 0207), I was not having any trouble with the network adapter. Someone over in this thread reported success rolling back to 0401. They'd also tried swapping power supplies, and it didn't fix their problem.

  8. #48
    ROG Member Array QuadJunky PC Specs
    QuadJunky PC Specs
    MotherboardCrosshair 7 Hero Wifi
    ProcessorRyzen 2700x
    Memory (part number)F4-3600C16Q-16GTZR x2
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    Quote Originally Posted by cg49me View Post
    Well, I'm further convinced this is a BIOS issue. I was playing around with my fan curves today (running 0702) *before* booting into Windows. Saved changes and reset, and the network adapter was gone in Windows. It appears that the network adapter only functions on the first POST/BIOS boot, and isn't dependent on the first OS boot.

    When I was first setting up the system (shipped with BIOS version 0207), I was not having any trouble with the network adapter. Someone over in this thread reported success rolling back to 0401. They'd also tried swapping power supplies, and it didn't fix their problem.
    Have your tried bios 0804? and a good clear cmos clear & power cycle a few times to a flashback update?

  9. #49
    ROG Member Array cg49me's Avatar
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    I only see 0702 as the latest available on the website...

    https://www.asus.com/us/Motherboards...HelpDesk_BIOS/

  10. #50
    ROG Member Array michaelemcken PC Specs
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    Quote Originally Posted by QuadJunky View Post
    I tried too save you two months of pain when I said it was the PSU back on page 3 as I had the same issues with my ax860i.
    As much as I want to reinstall my new ax860i corsair sent me I am hesitant due to the pain of redoing everything if the new one has thew same issues.

    Glad you finally got it sorted out
    Yes i do remember you saying it was the PSU. But at that point, i just could not believe that a power supply would cause these issues, as it was working perfectly well in other setups.

    Which then leads me to think, that i still believe it is and ASUS board problem. But again, it could also be a revision problem with the AX860i if they did some internal changes or something inside the powersupply.

    But hey, i switched down to a RM650i, and also had extra money for sleeved cables and everything is working.

    So now the setup just looks really awesome inside my H700i.

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