背景
- U盤燒錄了 Ubuntu 系統作為啟動盤,再次插入電腦后無法被識別
解決方案(Mac 適用)
- (1)查找 USB,(2)格式化
- (1)在 terminal 中通過
diskutil list
查看是 USB 的盤 - 一般帶有 external
- 不放心的話還可以進一步確認
diskutil info /dev/disk4
(2) 通過以下命令格式化后,磁盤工具就可以識別啦
diskutil eraseDisk exFAT MyUSB /dev/disk4
Started erase on disk4
Unmounting disk
Creating the partition map
Waiting for partitions to activate
Formatting disk4s2 as ExFAT with name MyUSB
Volume name : MyUSB
Partition offset : 411648 sectors (210763776 bytes)
Volume size : 30306304 sectors (15516827648 bytes)
Bytes per sector : 512
Bytes per cluster: 32768
FAT offset : 2048 sectors (1048576 bytes)
# FAT sectors : 4096
Number of FATs : 1
Cluster offset : 6144 sectors (3145728 bytes)
# Clusters : 473440
Volume Serial # : 678a4dd0
Bitmap start : 2
Bitmap file size : 59180
Upcase start : 4
Upcase file size : 5836
Root start : 5
Mounting disk
Finished erase on disk4