Windows 10: ABOUT WINDOWS PEN DRIVE

HOW TO UNLOCK AND REINSTALL WINDOWS 10 UPGRADE WINDOWS VERSION PEN DRIVE MODEL 1734

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related to pen drive

Hi,

A Pen Drive or USB is a data storage device that includes flash memory with an Integrated USB interface, and is a Plug and play device. That said, your computer should easily recognize your Pen Drive without any issues. A software might be blocking it, or
an update is needed for it to work properly. However, let us isolate your concern by providing the answers to these questions:

• Is your Pen Drive working in other devices?
• Were there any changes (Updates, software installation) made prior to the issues?
• Have you tried using another Pen Drive on your computer?

in the meantime, we suggest that you insert your Pen Drive, and check if there's any error(s) in Device Manager.

We're looking forward to your response.

 

Lost space of Pen Drive

Hello,

Thank you for bringing up your query on Microsoft Community.

We regret the inconvenience caused to you.

• 
  Have you tried connecting to a different computer?
  

I suggest you to connect the USB flash drive to a different computer and check.

First back up all the data from your USB drive to another location.

I suggest you to connect the USB flash drive to a different computer and check.

Let us try the following steps, and check if it helps.

Step 1: I suggest you to refresh the drive letter and then try to rescan the drives that are connect to the computer and check.

To refresh drive letter:

• Open Computer Management (Local).
• In the console tree, click Computer Management (Local), click
  Storage, and then click Disk Management.
  
• Click Action, and then click Refresh.
  
• Once you have refreshed connect the new zip drive and to update hardware information, click Rescan Disks instead.
  

Step 2: For unallocated space on USB drive

• 
  Press the Windows key, and type Diskpart.
  
• 
  Click the result to open the DiskPart command prompt window.
  
• 
  In the command prompt window, type list disk and hit Enter.
  
• 
  The removable USB drive or hard disk will be shown under
  Disk 1.
  
• 
  Type in the following commands and hit Enter.
  

select disk 1

Clean

create partition primary

• 
  The first command selects your removable USB drive.
  
• 
  The Clean command deletes all the current partitions present on the USB drive.
  
• 
  The Create primary partition creates a fresh partition and allocates all the unallocated space on this fresh partition.
  
• 
  Type Exit to close the command prompt window.
  
• 
  Unplug your USB drive and plug it back again.
  

Hope it helps.

Let us know the status, we are glad to assist you further.

 

formatting pen drive with diskpart

In both your screenshots Diskpart says the usb pen drive is 64MB, not 8GB. This suggests the usb has developed a fault.

You could try opening Device Manager and unistalling the usb device for this pen drive. When it detects new hardware and reinstalls the device it may work. I suspect not though, its more likely that this usb pen drive has failed.