• Unknown device when upgrading to Win 10, 1909

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    I wanted to do a clean install of Windows 10, 1909 on my desktop.

    While not connected to the internet, and after applying all available device drivers using a USB flash drive, I got things up and running.  However in Device Manager there are two Unknown Devices (listed under “Other Devices”).  I had never seen these before on previous builds of Win10.

    After further searching, there doesn’t seem to be any other downloads for these at either the manufactures website or any of the integrated component manufactures websites.  Support at various places is non-existent.

    And……what is really odd, is that if I connect to the internet…….these drivers are downloaded and installed via Windows 10.

    A couple of questions:

    1.  How can this be, and where do these drivers come from?
    2.  Is there any way to find these downloaded drivers (stored or saved) on my local computer, so I save them and have a “hard copy” to use without connecting to the internet?

    Thanks so much for your help.


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    Viewing 7 reply threads
    • #2086135

      This PowerShell script based on a Blog post does what you need.

      cheers, Paul

    • #2086218

      Similar query here, driver versions needed now might have changed though, follow from the first reply on page #2 onwards to check that it’s the same hardware and examples of troubleshooting any further bugs.

    • #2086502


      Good link, but all the Intel links are dead.  In fact, that is the driver I need.


      With the best of my ability, I read through the post and decided to try the RetiredGeek method near the bottom.  What was discussed, but not explained is how you know what saved driver (inf file I assume) is for what ?   I’ll have to experiment.

      Of course, if I don’t have the drivers I need, then it doesn’t do me much good to save them…..especially since I already have 90% of them.

      Question:  When hooked to the internet and MS Windows 10 (scrapes) downloads drivers, are these stored somewhere on my local drive….even temporarily and could I identify them ?



      • This reply was modified 3 years, 8 months ago by Mike.
    • #2086533

      Question:  When hooked to the internet and MS Windows 10 (scrapes) downloads drivers, are these stored somewhere on my local drive….even temporarily and could I identify them ?

      Windows update files are usually stored at : C:\Windows\SoftwareDistribution\Download

    • #2086585

      Windows 10 (scrapes) downloads drivers, are these stored somewhere on my local drive

      I’m not sure where they are stored but searching for INF files should show the location(s).

      cheers, Paul

    • #2086902

      Thanks all for thinking about this.

      MB=Asus Prime x299 Deluxe II (You won’t find anything on Asus Support Downloads)

      CPU=Intel i9 x9900

      I suppose that if I absolutely knew what these “unknown devices” were, then maybe I could just live without them and ignore the Device Manager completely.

      The irritating thing, is that I can’t find either of these drivers to download and save.  I talked with support at Intel and they said they don’t have it, yet there are references to it all over the web.  Asus doesn’t know what’s going on, so I’m trying to work my way up through tech support there.

      Integrated on the MB is a Intel (Texas Instrument based) controller:  Hardware ID 3515 that has to do with USB Type C power.  So, that is probably what one of the drivers is for.

      The other driver, 3510 might be something to do with Intel’s Turbo Boost.  Not sure.  Check the image below for the Hardware ID’s

      Unknown Devices ID's

    • #2086972

      Great find Satrow.  Thank you.

      Not sure how I missed that.   It worked fine.  Now for the other—-USB Type C Power.  I’m thinking that might be a feature that provides power through the USB C ports (charging ?).

      It’s not the Thunderbolt drivers, I tried those.

      Regarding the Turbo Boost.  I’m not sure if I even need that.  It looks like Asus has it’s own app, however I’m not sure I’d use either.   I’m not a big gamer.  I suppose it might speed up rendering.  Maybe.

    • #2086994

      Turbo should work normally without the extra fluff to force all cores to max. turbo (or w/e it does – create extra heat/noise?) so you can disable the Max ‘feature’ in the UEFI/Bios – but you may need to tweak other settings to get default Idle/Turbo back. Familiarise yourself with the ‘board manuals.

      Thunderbolt does supply power over USB-C, up to 100w. https://www.intel.com/content/www/us/en/products/docs/io/thunderbolt/thunderbolt-technology-general.html https://uk.pcmag.com/laptop-how-to/40348/what-is-usb-c-an-explainer or Wiki.

      I don’t see anything USB-C specific on the Download page.

      If any of the ASUS apps involve AIAnything, they’re best avoided, it’s bloatware that has a long history of being involved in instability and BSODs.

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