No more keyboards category within devmgmt

PaGrou 1 Reputation point

hi all,
i'm typing that post with the virtual kb having suddenly lost my physical & wired one (Dell SK-8135) under windows 10 21H1 build 19043.1165.

It works fine during boot sequence (i can enter bios setup), or with other computers running the same win 10 build. It is still recognized as a usb hub having 2 integrated usb slots.
Another kb, included wireless one (thru a 2.4 GHz usb dongle) is not running (but is shown within the media ejection icon).
Using devmgmt, NO keyboards category appears!!!
None keyboard works in safe mode or after clean boot.

Rollback to previous restore point, boot in winRE + custom install don't solve that ... issue

ANY HELP WELCOME before reformat + reinstall from scratch...

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  1. Limitless Technology 39,501 Reputation points

    Hello @PaGrou

    Kindly check this options in Device Manager "Show Hidden Devices".

    Also update your Dell drivers and BIOS to latest version and try to rest BIOS at default.

    Please try to plug in any other USB keyboard at different USB ports and see if works.

    If the reply was helpful, please don’t forget to upvote or accept as answer.

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  2. PaGrou 1 Reputation point

    Hello LimitlessTechnology-2700,

    Thx for your interest to my issue. I'd already tried option "how Hidden Devices" with no result except oldies within usb drivers but no magic rising of the "keyborads" entry ...
    Not having that entry makes any keyboard driver update (although knowing there is no available update for my keyboard driver) have no effect.
    As I wrote, no new keyboard is recognized either...
    So as i didn't receive any solution to solve how to (re)create a "keyboards" entry in devmgmt i assumed there were / is no good option but to reinstall Win10 from scratch, what i did, and guess what happened ? ... My keyboard is now OK (and so are any other kb) vith sub HID sub categories enumerated within the "keyboards" category which has been restored...

    2 more tips to know for people who might encounter such a similar issue if it can help them :

    • if the "keyboards" entry has disappeared from the devmgmt, don't loose time with driver updating, winRE, safe mode, clean boot and other usual tricks and tips, unless you want to make sure it doesn't work or you know how to restore the "keyboards" category (but for christ sake why didn't you tell that to others ???!)
    • using a win10 image from the cloud didn't work for me ; after cleanin my hdd it sopped and i'd to boot from a usb key with an iso and it run properly

    hope it helps but frustrated not getting a simplier way to restore that "keyboards" category and not knowing why it disappeared...


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