diskpart select vdisk file="C:\Corrupted.vhd" attach vdisk list disk If the disk appears but has no partitions, attempt to bring it online:
Mount-VHD -Path "C:\Corrupted.vhd" -ReadOnly This prevents further writes to a damaged structure. how to repair vhd file
Dismount-VHD "C:\Corrupted.vhd" Mount-VHD -Path "C:\Corrupted.vhd" -NoDriveLetter Then assign a drive letter via Disk Management and run CHKDSK again. diskpart select vdisk file="C:\Corrupted
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: It does repair logical file system damage or
After mounting, the VHD appears as a drive letter (e.g., E:). Run:
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.
PowerShell includes a dedicated cmdlet: