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Knowledge Base > Operating Systems > Windows > Vista/Win7/8.x/10 > Missing Files or File System Corruption after using Partition Outside of Windows

Missing Files or File System Corruption after using Partition Outside of Windows


After booting back into Windows, file changes made to a partition outside of Windows may be missing or the file system may be corrupted. Running chkdsk /f on the partition may either find or remove the modified/added files as well as find other file system errors.

For example, a backup image is created outside of Windows (e.g. using Image for Linux). When booted back into Windows and chkdsk is run (automatically, in some cases) on the drive containing the backup, the image file is missing; or, the image file originally didn't show up on the drive and does after chkdsk runs.


This problem can be caused by hard drive accelerators (e.g. Lenovo's RapidBoot HDD Accelerator) as well as the Windows 8.x/10 Fast startup feature. The file system on the drive becomes corrupted when modified outside of Windows due to cached data being used upon booting back into Windows instead of the actual (modified) data on the drive.


Uninstall or disable any hard drive accelerators.

For Windows 8.x/10, disable the Fast startup feature:

  1. Open the Control Panel. This can be done by pressing WinKey+X and selecting it from the Quick Link menu or by going to the Start Menu, typing Control Panel, and then selecting it from the search results.
  2. If the Control Panel is configured to show categories, choose Hardware and Sound, then select Power options. Otherwise, just select Power Options.
  3. Click the Choose what the Power buttons do from the links on the left.
  4. Click on the Change settings that are currently unavailable link (located in the top area).
  5. Remove the checkmark from the Turn on fast startup (recommended) option under Shutdown settings.

   Alternatively, if you have BootIt BM you can use it to disable Fast startup:

  1. Boot into BootIt BM.
  2. Click Partition Work on the desktop.
  3. Select the Windows 8.x/10 partition and then click the Properties button.
  4. Click the Disable Fast Start button.

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