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Reply To: Windows 11 SSD Failure Rumours: What Really Happened The Allegation After installing Windows 11 update KB5063878 (Build 26100.4946), some users—mostly in Japan—reported that their SSDs: Disappeared from File Explorer and BIOS. Showed up as “RAW” partitions. Triggered I/O…

UKTH forums 💻 Computers Desktops Windows 11 SSD Failure Rumours: What Really Happened The Allegation After installing Windows 11 update KB5063878 (Build 26100.4946), some users—mostly in Japan—reported that their SSDs: Disappeared from File Explorer and BIOS. Showed up as “RAW” partitions. Triggered I/O... Reply To: Windows 11 SSD Failure Rumours: What Really Happened The Allegation After installing Windows 11 update KB5063878 (Build 26100.4946), some users—mostly in Japan—reported that their SSDs: Disappeared from File Explorer and BIOS. Showed up as “RAW” partitions. Triggered I/O…

#39385
UK SentinelUK Sentinel
Keymaster
  • Replies 8,507
  • The Skipper

Does seem like you maybe also caught by this.

Your SSD controller may be hitting a firmware deadlock during high I/O or background cleanup. Windows 11’s latest update seems to exacerbate this by:

  • Changing how write queues are flushed.
  • Possibly skipping certain TRIM or flush commands.
  • Overloading the SSD’s internal buffer, especially if it’s already juggling wear-leveling.

All theory but the drive does disappear from BIOS, good to see you found a workaround in your case.

 

 

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