Upgrade to 21H1 - Failed

Guillaume Lannes-Lacrouts 1 Reputation point
2021-06-07T11:11:31.61+00:00

Hello,

We have a lot of HP 840 G6 and G5 Pcs (disk cloned with Clonezilla) that can't upgrade to 21h1 from 1909.

We have a permanent rollback .

Could you help us ?

Windows 10 Setup
Windows 10 Setup
Windows 10: A Microsoft operating system that runs on personal computers and tablets.Setup: The procedures involved in preparing a software program or application to operate within a computer or mobile device.
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  1. Jenny Feng 14,116 Reputation points
    2021-06-08T01:52:41.583+00:00

    @Guillaume Lannes-Lacrouts
    Hi,
    What method or tool do you use to upgrade the version?
    When the rollback appear, what's the detailed error message?
    From the official website:
    https://learn.microsoft.com/en-gb/windows/release-health/status-windows-10-21h1
    We are initially throttling up availability over the coming weeks to ensure a reliable download experience. As a result, the update may not be offered to you right away. For more details, see How to get the Windows 10 May 2021 Update.

    The fastest way to get the upgrade is through Media creation tool or ISO file.
    Please download Media Creation Tool from the link below and select Upgrade this PC at the first screen:
    https://www.microsoft.com/en-us/software-download/windows10

    Hope above information can help you.

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  2. Kapil Arya 8,116 Reputation points MVP
    2021-06-08T06:50:29.433+00:00

    Hello,

    Refer this page to learn about known issue with V21H1: https://learn.microsoft.com/en-us/windows/release-health/status-windows-10-21h1.

    Check if any of known issue relates to you.

    If no issue is related to you, upgrade to V21H1 via ISO file.

    Refer this step-by-step guide:

    https://www.kapilarya.com/how-to-upgrade-to-windows-10-using-iso-file

    Let us know if this helps!

    Note: Included link in this reply refers to blog post by a trusted Microsoft MVP. 

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  3. Guillaume Lannes-Lacrouts 1 Reputation point
    2021-06-25T10:04:12.193+00:00

    Hello,
    I change a bios option ( Dynamic block ....) on the HP Pcs.
    The error winload.efi doesn't appear anymore, but i have another problem.

    I have update again my pc after a first reboot ( automatic repair fail) and my update is okay.

    Could you see in my log what is the problem ?

    https://1drv.ms/u/s!AmOJ-6mOgpDsbp95Zuj3B2SooVo?e=HEaEHG

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