PowerShell includes a dedicated cmdlet:
After mounting, the VHD appears as a drive letter (e.g., E:). Run:
Dismount-VHD "C:\Corrupted.vhd" Mount-VHD -Path "C:\Corrupted.vhd" -NoDriveLetter Then assign a drive letter via Disk Management and run CHKDSK again. how to repair vhd file
Repair-VHD -Path "C:\Corrupted.vhd" -Force This command fixes minor footer and header inconsistencies. It does repair logical file system damage or data block corruption. Run it on a copy first. Method 3: Manual Fix Using DiskPart For VHDs that mount but show as "Unknown" or "Not Initialized" in Disk Management:
clean convert mbr create partition primary format fs=ntfs quick assign letter=Z exit After this, the VHD is functional but empty. Use data recovery software on the original corrupted VHD before cleaning. When Microsoft tools fail, specialized software can reconstruct VHD headers, repair block maps, and extract data. PowerShell includes a dedicated cmdlet: After mounting, the
If read-only succeeds, dismount and remount with write access:
diskpart select vdisk file="C:\Corrupted.vhd" attach vdisk list disk If the disk appears but has no partitions, attempt to bring it online: It does repair logical file system damage or
chkdsk E: /f /r /x CHKDSK repairs file system corruption inside the VHD, not the VHD container itself. This works if the VHD's logical sector addressing is intact.