Microsoft Investigating Reports of SSDs Vanishing After Latest Windows 11 Update | After installing Windows 11 update KB5063878, some people say their SSDs are disappearing from the OS or causing crashes.

[u/ControlCAD]

https://www.pcmag.com/news/microsoft-investigating-reports-of-ssds-vanishing-after-latest-windows

[u/Karlhavana]

My Samsung 870EVO SSD 2TB failed, (disappeared), after downloading and installing a Steam game, cannot see it in the Disk manager, cannot run Diskpart when the disk is connected, (works if I disconnect the drive), tried in a second PC, same issue.