Recover Lost Partition After Windows Update

Windows updates can occasionally cause partition tables or drive letters to become corrupted, making a partition appear missing or unallocated. This thread discusses why partitions may disappear after an update, how to check if the data still exists, and safe methods to recover lost partitions without overwriting data.

Windows data recovery

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Silas Vane

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April 9, 2026 at 7:22 am

After installing a Windows update yesterday, one of my drive partitions disappeared from File Explorer. Disk Management shows it as unallocated now. All my files were on that partition—can I recover it?

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