NOTE: If there are physical bad sector then you can try a new flash drive.
If it happens then you can just right click the pen drive in This PC and then simply choose the option ‘ Format’. Most of the people may find that you can format memory card, SD card or pen drive in This PC.
Note: Do not forget to choose FAT 32 or exFAT file system and then uncheck Perform a quick format to complete a full format.
It is a Windows in-built tool to restore USB flash drive to its original state. You will then need to find the system that allows you to use the complete storage capacity of the drive.įormat Pen Drive Showing Unknown Capacity Using Disk ManagementĪnother method you can try to format pen drive showing unknown capacity is using Disk Management. Now, use the following command just to clean up the USB drive.Īfter the drive is cleaned, you can run the below command so that you can create a new partition.Īt last, you can use the below command to format pen drive showing unknown capacity to FAT32 format.Īfter your drive gets formatted you may need to unplug the pen drive and then plug it back into the computer. In order to perform an operation on the drive then you can run the below command replacing N with the actual number for the pen drive. Your pen drive will be one of these disks. Type in the following command just to view the disks that are attached to the PC. Doing so will launch the command line version of the Disk Utility program. Now, there you have to type the below command into the command prompt window and then hit Enter key. Next, you have to select the option Run as administrator. To do so, follow the steps below:įirst of all, you have to open the Start menu and then search for Command Prompt window and then right click on it when you see it in the results. This command allows users to remove all the partitions on the pen drive. USB with unknown capacity can be formatted using command prompt. So, do not miss these ways and make your pen drive accessible to the full capacity in no time.įormat Pen Drive Showing Unknown Capacity Using Command Prompt
How To Format Pen Drive Showing Unknown Capacityīelow you can have a look at how you can format pen drive showing unknown capacity in easy ways. It’s just that there could be several reasons why this actually happens. If you see this then do not panic because the drive still has the original amount of capacity available on it.
Suppose you have a pen drive of 32GB capacity and you will see something like only a couple hundred MBs available on it. If the USB pen drive is shown with unknown capacity with the wrong size on the PC then it is possible that it is the result of improper way of formatting the drive.