Format a USB flash drive

Symptom: 16gu disk. It is divided into two zones and one exfat is used to store data. Another one is made into a USB flash drive Linux. If you want to format a 16 GB disk later, Windows 7 cannot find the LINUX partition.

Solution:
1. Open cmd
2. Command Line: diskpart
3. view all hard disks: List Disk
4. Assume that your USB disk is disk1: Select Disk 1.
5. Clear the disk partition: clean
6. Now, you can format your USB flash drive in windows, and all the space is there.

Now, you can right-click "computer" in win7 and choose "manage"> "disk management. You can see that the USB flash drive is a new 16 GB disk without any partition. Create a new partition.