https://jingyan.baidu.com/article/00a07f38196de082d028dcf5.html
1.打开命令提示符:ctrl+r,输入cmd,回车;
2.在CusersAdministor后面输入diskpart,回车;
3.在DISKPART后输入:list+空格+disk,回车;
4.输入;select+空格+disk+空格+U盘所属磁盘号,回车;
5.输入:clean,回车
6.输入:create+空格+partition+空格+primary+空格,回车——创建分区
7.输入:format+空格+quick,回车;