How do I reformat my hard drive or USB drive?
If you need to Reformat a USB drive or external hard drive, you can do this simply using Disk Utility .
Warning: This Will Delete Everything On Your USB/External Hard Drive.
- Open Disk Utility .
- Select The Drive that you wish to reformat and click Erase.
- Type in a Name for the newly formatted drive, and select the format MS-DOS (FAT). Click Erase.
When this process is successfully completed the disk will be reformatted.