When the Command Prompt got opened, type: DISKPARTand press enter key.The command prompt will ask for permission to run under the administrative mode.Now press the Shift+Ctrl key and click on the Ok button of Run Box.Press the Windows Key + R key together to open the RUN box.To restore the USB drive to the original state, we need to run the command prompt under administrative rights.Graphically Delete the Partition: How to remove multiple partitions from a USB drive in Windows 10/8/7 So, the commands I had followed, I am going to mention in this article, in case somebody also suffering from such a problem and wants to restore the bootable USB/partitioned drive to its original state. I mean successfully unpartitioned or deleted multiple partitions to make a primary partition on my pen drive. So, I used the Diskpart command tool and finally able to regress it to its original form.
Because I was not able to format it directly from the My computer interface of the Windows. After that, I was a little bit anxious that it might have corrupted the Pen drive. But recently, while creating a bootable USB drive using software called balenaEtcher, it created 5 partitions on my drive. Because most of the time we only have a single primary partition on a USB drive, that’s why so many people might never have faced such kind of multi-partition problem on thumbnail drives.
Partition on USB drives or Pen drives seems a little bit irrational to those who have never got such conditions on a USB drive.