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This week, discussions have surged around reports that installing recent Windows 11 updates may, under certain circumstances, cause solid-state drives (SSDs) to drop from the system or become permanently unusable. Despite the severity of this issue, Microsoft only now has released an official statement addressing the matter.
In its latest statement, Microsoft acknowledged awareness of the media coverage and confirmed that it is currently working with partners to investigate the problem. As of this writing, however, the company has neither verified the root cause nor offered a definitive fix.
Phison Electronics, a leading manufacturer of SSD controller chips, has likewise issued an official response, stating that it is conducting its own investigation. Early indications suggest that a significant number of affected drives use Phison controllers, spanning multiple SSD brands and models.
After installing the July 2025 Preview Update and the August 2025 Cumulative Update for Windows 11 version 24H2, SSDs may encounter serious malfunctions when subjected to continuous data writes exceeding 50GB. Affected drives may suddenly become unrecognizable, trigger black screen crashes (BSODs), or even be reformatted by the system into RAW partitions, rendering them unreadable.
In some cases, a simple restart restores normal functionality and preserves all data. In others, however, the SSD remains irrecoverable even after reboot, effectively severing access to the drive and its contents.
When Windows itself is installed on an affected SSD, such failures inevitably result in black screen crashes. In severe scenarios, where the drive cannot be recovered after reboot, users may also lose the ability to extract their data, leading to potential catastrophic data loss.
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