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  1. #1
    ROG Member Array Sihastru PC Specs
    Sihastru PC Specs
    MotherboardASUS ROG Strix B550-i Gaming
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)G.Skill Trident Z Neo 32GB
    Graphics Card #1ASUS Dual Radeon RX 5600 XT EVO
    Sound CardASUS SupremeFX S1220A
    MonitorDELL U4320Q 4K + Wacom Cintiq Pro 16 4K
    Storage #1WD Black SN850 1TB Gen4 x4
    Storage #22 x Intel X25-M 160GB SATA
    CPU CoolerEKWB EK-240 AIO D-RGB
    CaseJonsbo A4 ver1.1 SFF
    Power SupplyCorsair SF750 Platinum SFX
    Keyboard Vortex Race 3 75% MX Brown
    Mouse Logitech G305 White Lightspeed
    Headset/Speakers Corsair SP2500 2.1
    OS Windows 10 Pro
    Network RouterASUS AC66U

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    Question USB-C AUDIO on the ASUS ROG Strix B550-i Gaming

    Hello!

    The USB-C AUDIO port on my ASUS ROG Strix B550-i Gaming seems to not work anymore after I updated the BIOS to 1803. It worked mostly fine with 1801 and lower, with the included adapter USB-C to 4 pole audio jack, I was using it to connect my headphones + mic without needing to disconnect my speakers. I say mostly because the jack sensing thing was finicky on the USB-C, and sometimes required a reboot.

    Can anyone with this motherboard confirm that they still have audio through the dedicated USB-C AUDIO port on this version of the BIOS? Eventually I will downgrade the BIOS to 1801 or even lower (160x, I have all of them, even if ASUS pulled all but 1401) to diagnose this issue, but for now I would like to avoid it.

    Of course I already tried a fresh OS install (NVMe SSD upgrade), with fresh drivers (the ones on the download page and the update available through Armory Crate), and even the experimental Realtek audio drivers available in the ASUS forums (UAD - ASUS ROG SS3-DTS MB). None seem to work.

    Full system specs in the profile section on the left.

    Thanks!
    There are more things in heaven and earth then are dreamt of in your philosophy.

  2. #2
    ROG Guru: Green Belt Array MoKiChU PC Specs
    MoKiChU PC Specs
    MotherboardASUS ROG Strix Z370-F Gaming
    ProcessorIntel Core i7-8700K
    Memory (part number)Corsair Vengeance RGB DDR4 2666MHz CL16 - 16GB (2 x 8GB)
    Graphics Card #1ASUS ROG Strix GTX 1080 Ti OC
    MonitorASUS ROG Strix XG35VQ
    Storage #1SSD Samsung 970 EVO Plus 500GB
    Storage #2SSD Samsung 960 EVO 250GB | SSD Corsair MP510 240GB | SSHD Seagate 2TB
    CPU CoolerCooler Master ML240L RGB
    CaseBitFenix Enso
    Power SupplyCorsair TX850M (850W)
    Keyboard Logitech G413
    Mouse Logitech G502
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    Headset/Speakers Logitech Z333
    OS Windows 10 64 bit
    MoKiChU's Avatar
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    Hi,

    As you determined by your tests, this is not linked to the audio drivers used but rather to the BIOS & AGESA used.

    Please open a ticket with ASUS Support and/or AMD Support.

  3. #3
    ROG Member Array Sihastru PC Specs
    Sihastru PC Specs
    MotherboardASUS ROG Strix B550-i Gaming
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)G.Skill Trident Z Neo 32GB
    Graphics Card #1ASUS Dual Radeon RX 5600 XT EVO
    Sound CardASUS SupremeFX S1220A
    MonitorDELL U4320Q 4K + Wacom Cintiq Pro 16 4K
    Storage #1WD Black SN850 1TB Gen4 x4
    Storage #22 x Intel X25-M 160GB SATA
    CPU CoolerEKWB EK-240 AIO D-RGB
    CaseJonsbo A4 ver1.1 SFF
    Power SupplyCorsair SF750 Platinum SFX
    Keyboard Vortex Race 3 75% MX Brown
    Mouse Logitech G305 White Lightspeed
    Headset/Speakers Corsair SP2500 2.1
    OS Windows 10 Pro
    Network RouterASUS AC66U

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    Thank you for responding.

    Could also be hardware failure on my particular motherboard, the adapter cable or something else and the timing could be just a coincidence. This is why I'm asking for someone who has this motherboard to either replicate or disprove my theory that it could be related to the new BIOS version.

    The USB-C AUDIO implementation seems to be an ASUS exclusive custom design at the moment, so talking to AMD would be an exercise in futility.

    If anyone with the same motherboard could chip in, it would be greatly appreciated.

    Thanks.
    There are more things in heaven and earth then are dreamt of in your philosophy.

  4. #4
    New ROGer Array
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    Quote Originally Posted by Sihastru View Post
    Thank you for responding.

    Could also be hardware failure on my particular motherboard, the adapter cable or something else and the timing could be just a coincidence. This is why I'm asking for someone who has this motherboard to either replicate or disprove my theory that it could be related to the new BIOS version.

    The USB-C AUDIO implementation seems to be an ASUS exclusive custom design at the moment, so talking to AMD would be an exercise in futility.

    If anyone with the same motherboard could chip in, it would be greatly appreciated.

    Thanks.

    Hi, I have this ROG B550-I mb and get the same issue since I upgraded the BIOS to 1803 version. The USB-c audio is a USB2.0 port. There are many articles related to B550 chipset USB2.0 malfunction. You can try below steps to make the USB-c audio works.

    1. turn of your computer and unplug the power supply or switch off the power supply if there is a switch on it.
    2. click the power button several times.
    3. turn on your computer
    4. If your headphone doesn't work, unplug from the USB-c adapter and plug it. Your headphone should work.

    I wish this trick can help.

  5. #5
    ROG Member Array Sihastru PC Specs
    Sihastru PC Specs
    MotherboardASUS ROG Strix B550-i Gaming
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)G.Skill Trident Z Neo 32GB
    Graphics Card #1ASUS Dual Radeon RX 5600 XT EVO
    Sound CardASUS SupremeFX S1220A
    MonitorDELL U4320Q 4K + Wacom Cintiq Pro 16 4K
    Storage #1WD Black SN850 1TB Gen4 x4
    Storage #22 x Intel X25-M 160GB SATA
    CPU CoolerEKWB EK-240 AIO D-RGB
    CaseJonsbo A4 ver1.1 SFF
    Power SupplyCorsair SF750 Platinum SFX
    Keyboard Vortex Race 3 75% MX Brown
    Mouse Logitech G305 White Lightspeed
    Headset/Speakers Corsair SP2500 2.1
    OS Windows 10 Pro
    Network RouterASUS AC66U

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    Hi, kklin,

    I followed your steps and it worked. Thank you. While it's not a great user experience, and it's a very roundabout way of dealing with this issue, it's still something.

    As for the AMD USB issues, I don't think this is necessarily related to that, as the USB-C AUDIO doesn't actually use the USB protocol, there's a chip on the motherboard that will internally (and "physically") switch the connection from USB to the sound card. And the USB-C AUDIO port functions as USB for me without any issues, I tested it briefly with a few devices, it's just that when it has to switch to AUDIO, it doesn't do it.

    Thanks again!
    There are more things in heaven and earth then are dreamt of in your philosophy.

  6. #6
    ROG Member Array Sihastru PC Specs
    Sihastru PC Specs
    MotherboardASUS ROG Strix B550-i Gaming
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)G.Skill Trident Z Neo 32GB
    Graphics Card #1ASUS Dual Radeon RX 5600 XT EVO
    Sound CardASUS SupremeFX S1220A
    MonitorDELL U4320Q 4K + Wacom Cintiq Pro 16 4K
    Storage #1WD Black SN850 1TB Gen4 x4
    Storage #22 x Intel X25-M 160GB SATA
    CPU CoolerEKWB EK-240 AIO D-RGB
    CaseJonsbo A4 ver1.1 SFF
    Power SupplyCorsair SF750 Platinum SFX
    Keyboard Vortex Race 3 75% MX Brown
    Mouse Logitech G305 White Lightspeed
    Headset/Speakers Corsair SP2500 2.1
    OS Windows 10 Pro
    Network RouterASUS AC66U

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    Just a quick follow up. After shutting down and powering up again, the audio through the USB-C AUDIO port ceases to function. Which makes the procedure to make it work again tedious and very annoying.

    We need an official fix for this.
    There are more things in heaven and earth then are dreamt of in your philosophy.

  7. #7
    ROG Junior Member Array
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    I had the same problem.
    I asked the dev RD of ASUS MB, They told me a solution.

    1.
    Click image for larger version. 

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    Double click the USBC Headset

    2.
    Click image for larger version. 

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    Switch to "Spatial Sound" page, choose "Windows Sonic"

    3.
    My USBC Headset works perfectly now.

    (If there is an error message "Not enough USB controller resources"
    after you plug in your USBC Headset, this method works too.)
    Last edited by PapperCat; 03-04-2021 at 06:44 AM.

  8. #8
    ROG Member Array Sihastru PC Specs
    Sihastru PC Specs
    MotherboardASUS ROG Strix B550-i Gaming
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)G.Skill Trident Z Neo 32GB
    Graphics Card #1ASUS Dual Radeon RX 5600 XT EVO
    Sound CardASUS SupremeFX S1220A
    MonitorDELL U4320Q 4K + Wacom Cintiq Pro 16 4K
    Storage #1WD Black SN850 1TB Gen4 x4
    Storage #22 x Intel X25-M 160GB SATA
    CPU CoolerEKWB EK-240 AIO D-RGB
    CaseJonsbo A4 ver1.1 SFF
    Power SupplyCorsair SF750 Platinum SFX
    Keyboard Vortex Race 3 75% MX Brown
    Mouse Logitech G305 White Lightspeed
    Headset/Speakers Corsair SP2500 2.1
    OS Windows 10 Pro
    Network RouterASUS AC66U

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    In my case, the headset doesn't show up in the audio devices list, because it's not detected in the first place.

    I don't use a USB-C headphone/headset, I use an analog one (audio jack, 3-pole and 4-pole) connected with the included USB-C to audio jack cable (4-pole, stereo + mic). Some ASUS motherboards have dedicated USB-C AUDIO ports.

    There isn't a USB-C DAC, it's just the physical USB-C connection used as analog audio using a switch chip. When you connect a USB-C device, it will work as a USB 2.0 port, and when you connect the included adapter + headphones it should switch to analog audio, but it doesn't.
    There are more things in heaven and earth then are dreamt of in your philosophy.

  9. #9
    ROG Member Array Sihastru PC Specs
    Sihastru PC Specs
    MotherboardASUS ROG Strix B550-i Gaming
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)G.Skill Trident Z Neo 32GB
    Graphics Card #1ASUS Dual Radeon RX 5600 XT EVO
    Sound CardASUS SupremeFX S1220A
    MonitorDELL U4320Q 4K + Wacom Cintiq Pro 16 4K
    Storage #1WD Black SN850 1TB Gen4 x4
    Storage #22 x Intel X25-M 160GB SATA
    CPU CoolerEKWB EK-240 AIO D-RGB
    CaseJonsbo A4 ver1.1 SFF
    Power SupplyCorsair SF750 Platinum SFX
    Keyboard Vortex Race 3 75% MX Brown
    Mouse Logitech G305 White Lightspeed
    Headset/Speakers Corsair SP2500 2.1
    OS Windows 10 Pro
    Network RouterASUS AC66U

    Join Date
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    Small update. At first glance, it looks like BIOS version 2003 BETA fixed this issue. Hopefully it stays fixed.
    There are more things in heaven and earth then are dreamt of in your philosophy.

  10. #10
    New ROGer Array
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    Quote Originally Posted by Sihastru View Post
    Small update. At first glance, it looks like BIOS version 2003 BETA fixed this issue. Hopefully it stays fixed.

    HI, Sihastru

    It's happy to know the problem is solved.
    I upgrade the BIOS to version 2003 beta but still have the same issue.
    However, the same solving procedures works fine again.

    Can I know which version of AUDIO DRIVER you have on your system?

    Thank you!!

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