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Checking Disks Without A Drive Letter

Chkdsk can check, repair and report on the health of file system volumes. Most usually, volumes have drive letters assigned so the command is simple:

chkdsk e:

However, volumes mounted without a drive letter must be accessed with their volume name. To determine the volume names, type:


This will list the current volume names, which are of the form \\?\Volume{fd6c89a0-12f7-4635-b6bd-f61ef11be7fa}\.

To check the volume, from an elevated command prompt type:

chkdsk \\?\Volume{fd6c89a0-12f7-4635-b6bd-f61ef11be7fa}

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