Windows 10: failing to access device after system update

Discus and support failing to access device after system update in Windows 10 Software and Apps to solve the problem; I just did a system update and now I can't access my device anymore. I can't use fingerprint and it tells me that my pin is currently not available,... Discussion in 'Windows 10 Software and Apps' started by SophieDeck, May 29, 2022.

  1. SOPHIEDECK
    SophieDeck Win User

    failing to access device after system update


    I just did a system update and now I can't access my device anymore. I can't use fingerprint and it tells me that my pin is currently not available, therefore I would have to set a new one. But whenever I click on that button it just goes back to lock screen. Does anybody know what to do?

    :)
     
    SophieDeck, May 29, 2022
    #1
  2. DONDRE1992
    dondre1992 Win User

    MCHBAR read access failed

    Hi everyone,


    Trying to install TechPowerUp GPU-Z v0.3.8 but i keep getting...MCHBAR read access failed, any suggestions???
     
    dondre1992, May 29, 2022
    #2
  3. EDTITTEL
    EdTittel Win User
    a request for device descriptor request failed

    Maybe it's time to step back from the current efforts, and start over. I suggest you read over this excellent tutorial and try all of its steps: [Solved] Unknown USB Device (Device Descriptor Request Failed) for Windows 10 - Driver Easy. The one that may provide you with some easy relief is the one where you uninstall the device whose descriptor is failing, reboot, and see what happens when device enumeration recurs during boot-up. If you're lucky, it will fix itself.
    HTH,
    --Ed--
     
    EdTittel, May 29, 2022
    #3
  4. SLARTYBART
    Slartybart Win User

    failing to access device after system update

    Windows 10 fails to update


    When you finish testing the Avast suggestion, make sure that you restart your machine.

    Then if the issue persists, please return to the trouble shooting list in post# 89

    I think there are three steps that remain; the WU troubleshooter, reset WU components, and manual WU reset.
     
    Slartybart, May 29, 2022
    #4
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failing to access device after system update

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