Inaccessible boot device after latest insider update this morning (build 21364)

Anonymous
2021-04-28T17:55:33+00:00

Nothing works in the recovery mode as it cannot back out the update, cannot repair. 

One of the update is kb5003399 and I forgot the other one, will have to boot back to the command prompt.

In the command prompt, I can tell it's not showing my 1TB drive, it's in x:/ with very little space.

Also, wusa.exe doesn't exist in that command prompt. 

Can anyone help to get my system booting again?

MB: GIGABYTE X570 AORUS ELITE WIFI AM4 AMD X570

CPU: AMD RYZEN 5 3600 6-Core 3.6 GHz

GPU: Nvidia 1070<feff><feff>

Memory: 64 GB (4 x 16 GB Crucial Ballistix 32GB Kit (2 x 16GB) DDR4-3600 )

Drive: Samsung 1TB 970 EVO NVMe M.2 Internal SSD

Windows Insider program | Windows Insider preview | Desktop environment and Start menu

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  2. Anonymous
    2021-05-09T05:55:14+00:00

    Exactly same thing happened to me after the latest automatic Windows Update on 2021-05-08.

    I have almost the same setup

    MB: same Gigabyte X570 Aorus

    CPU : AMD Ryzen X5900

    GPU: Nvidia RTX 3060

    Very annoying if I have to reinstall

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  3. Anonymous
    2021-05-09T07:13:33+00:00

    Problem was caused by Windows Update installing some unwanted AMD SCSI driver.

    Problem was fixed by removing AMD SCSI driver using command prompt after three unsuccessful boots according to the below instructions:

    https://www.reddit.com/r/Amd/comments/n6pndr/anyone_just_get_a_ryzen_system_hosed_by_windows/gx8s3bg?utm_medium=android_app&utm_source=share&context=3

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  4. Anonymous
    2021-05-10T07:07:58+00:00

    There is a newer version (9.3.1.19) on the microsoft catalog,can anyone confirm it to be affected?

    https://www.catalog.update.microsoft.com/Search.aspx?q=AMD+scsiadapter

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  5. Anonymous
    2021-05-10T18:21:33+00:00

    In device Manager, there is something called AMD Raid Bottom-Device (something like that). This is the driver you need to rollback. When I did, my nvme appeared again instantaneously !

    Or try uninstall it, restart PC. It should appear again now.

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