Ubuntu20.04 系统 ALERT! UUID=xxx does not exist. Dropping to a shell!

Gave up waiting for root device. Common problems:
-Boot args (cat /proc/cmdline)
  -Check rootdelay= (did the system wait long enough?)
-Missing modules (cat /proc/modules; ls /dev)
ALERT! UUID=718ed077-947d-4018-80ad-59825678e81d does not exist. Dropping to a shell!

BusyBox v1.27.2 (Ubuntu 1:1.27.2-2ubuntu3.2) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs)_

Ubuntu20.04 桌面版系统重启遇到以上问题。

解决方法：

1. 输入reboot命令重启

2. 按F2进入BIOS设置
3. 进入 SATA Configuration 配置项
4. 选择 AHCI 模式
5. 保存并重启，问题解决。