You have to use a Diskpart utility to recreate a partition on a USB drive. Here are the easy steps that you have to follow to do so: On your Windows PC, press Windows + R keys together to open the Run window. There, type cmd to open a Command Prompt. In the opened CMD window >> type diskpart and then type the list disk & hit Enter. After this, type Select Disk 0 and again hit Enter. At this time, type clean >> press Enter. Type the create a partition primary >> hit Enter. Now, type format fs=fat32quick or fs=ntfs quick & hit Enter. Finally, you have to wait until the partition-creating process gets finished. Then type exit >> hit Enter.