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Windows remembers drive letters for all disks. Where is this information stored and is there a way to delete/reset it?

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up vote 5 down vote accepted

It’s stored under HKLM\System\MountedDevices in the registry. To remove it, run diskpart and then enter:

automount scrub

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what does this do to C drive letter? or is it protected? – Moab Dec 15 '11 at 2:17
    
It deletes only letters for unconnected drives. – kinokijuf Dec 15 '11 at 7:43
    
Thanks for the clarification. – Moab Dec 15 '11 at 16:55

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