- Make sure your USB drive has at least 4G space
- Get Ubuntu ISO image file
- Application-> Other-> Disk Utility
- Select the USB drive and erase it. Don’t choose the wrong Mac hard drive! !! !!
- Choose the format: MS-DOS (FAT)
- Click “erase”
- Download, install, and open Etcher
- Select Ubuntu image file
- Select USB drive
- Click “Flash” to burn
- You’re done
Etcher Download link: https://pan.baidu.com/s/17rR1T81phBnveb9ffxedrA
password: oc5n