• Thread Author
Here’s a concise summary of the situation, based on your Neowin article and the latest available info:

A solid-state drive (SSD) installed on a computer motherboard, highlighted by blue lighting.What’s Happening?​

  • Windows 11 version 24H2 is still actively being blocked on some systems with certain Western Digital (WD) and SanDisk NVMe SSDs (notably the WD_BLACK SN770 and similar models).
  • When trying to upgrade, users get a “What needs your attention” message, blaming the WD NVMe SSD, stating:
    "Your PC has a hardware that isn't ready for this version of Windows. Windows Update will automatically offer you this version of Windows once the issue has been resolved."
  • This block is due to a known compatibility issue related to the Host Memory Buffer (HMB) used by these DRAM-less SSDs.

What’s been done?​

  • WD reportedly fixed the HMB-related issues with a firmware update in October 2024.
  • However, Windows Update is not reliably linking users to this fix or informing them directly, so the upgrade remains blocked for many.
  • Microsoft hasn't listed this specific WD SSD block in its known issues dashboard, creating confusion.

How to Work Around It​

  • Users have found that the proper way to update firmware on these SSDs (e.g., WD_BLACK SN770) is via the SanDisk Dashboard software (used for WD and SanDisk NVMe SSDs).
  • Supported SSD models for this tool include WD Green, Blue, Red, WD_BLACK, SanDisk SSD PLUS M.2, Extreme M.2, Extreme Pro M.2, Ultra 3D, and more.
  • Manually installing the latest firmware (using that Dashboard software) removes the upgrade block in most cases.
Instructions:
  • Download and install the SanDisk Dashboard.
  • Run the Dashboard with your WD or SanDisk SSD installed.
  • Update the firmware as prompted for your drive.
  • Reboot and re-attempt the Windows 11 24H2 upgrade.

Summary​

  • This is an ongoing issue; even though firmware fixes exist, Microsoft’s lack of clear communication and the absence of an official dashboard note are prolonging user frustration.
  • Until the firmware is up to date (done manually, for now), Windows 11 24H2 upgrades will continue to be blocked if you have one of the affected WD/SanDisk SSDs.
Sources:
If you want step-by-step guidance or run into trouble with the Dashboard process, just ask—happy to help!

Source: Neowin WD SSDs still block Windows 11 24H2 download and installs, Microsoft may be guilty too
 

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