Busybox v1.1.4 (debian1:1.1.3-5 ubuntu14)built-in shell (ash)问题

Busybox v1.1.4 (debian1:1.1.3-5 ubuntu14)built-in shell (ash) enter ‘help’for a list of built-in commands (initranfs) 问题

方法1：

1. 输入exit会显示以下信息：

 /dev/sda2 contains a file system with errors, check
    forced. Inodes that were part of a corruptde orphan linked list
    found.   /dev/sda2:UNEXPECTED INCONSISTENCY;RUN fsck MANUALLY.
             (i.e.,without -a or -p options) fsck exited with status code 4 The root filesystem on /dev/sda2 requiers a manual fsck

2. 命令修复：

 fsck -y /dev/sda2

3. 重新启动即可：

  reboot或者exit

方法2：

1. 输入exit会显示以下信息：

Gave up waiting for root device. Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
   - Check root= (did the system wait for the right device?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/disk/by-uuid/920903aa-762f-40d2-8126-87f4b0e6f975 does not exist. Dropping to a shell!

BusyBox v1.19.3 (Ubuntu 1:1.10.3-7ubuntu1.1) built-in shell (ash)
Enter 'help' for a lost of built-in commands.
(initramfs)

2. 重启进入BIOS settings
3. 找到 SATA Operations
4. 改变为AHCI,保存启动即可