Windows 10: Disk Management ignores my nominated drive letter when formatting a new volume.

I have executed mountvol /eI have a new volume for which I now wish to format a partition.I nominate a Drive Letter, S:The drive is immediately mounted as F: and a prompt to format appears?In addition, after soooo many years, Disk Management will not automatically resize the partition to a multiple of the allocation unit size?But really, the drive letter? Why ask if you are not going to honour it?Microsoft Windows [Version 10.0.14393]

:)

 

help. USB drive isn't assigned a drive letter.

Any usb flash drive I plug into my computer isn't assigned a drive letter. The physical drive shows in the "safely remove hardware" but it doesnt show up in disk management. I have tried to populate the volume thru the safely remove hardware properties window and it does pop up in the list but it doesn't stay there. This isn't a format or assign a letter problem. It's more complicated then that. Maybe one of the services needed for usb drive management was disabled? Suggestions needed. btw external usb harddrives work fine.

 

Format an external Drive.

Hello Roger,

Thank you for posting your concern in Microsoft Community and welcome to the Windows 10 Family.

I would suggest you to follow the below steps to format the drive you are referring to.

• Right Click on Start menu and select Open Computer Management.
  
• 
  In the left pane, under Storage, click Disk Management.
  
• 
  Right-click the volume that you want to format, and then click Format.
  
• 
  To format the volume with the default settings, in the Format dialog box, click
  OK, and then click OK again.
  

Note: You cannot format a disk or partition that is currently in use, including the partition that contains Windows.

Hope it helps.

Thank you.

 

Disk Number changed and Can not format

Hi,



Thank you for posting your query in Microsoft Community. I regret the inconvenience caused to you. Let me help you.



I suggest you to follow the below steps and check if it helps.

• 
  Right click on the Start Menu.
  
• 
  Select Disk Management.
  
• 
  Right-click on the drive letter you want to change and click
  Change Drive Letter and Paths.
  
• 
  Click Change...
  
• 
  Use the drop down to the right of Assign the following drive letter: to select a new drive letter.
  
• 
  Click OK.
  

Try formatting the disk again.



I hope the information helps. Please keep us posted on the issue. We will be happy to assist you accordingly.

Thank you.