单项选择题

During system boot， the boot process hangs at LED 0551.
Which of the following is a likely cause（）

A.A network problem
B.corrupted filesystem
C.corrupted ODM
D.corrupted /etc/inittab file

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IBM(000-223)

During system boot， the boot process hangs at LED 0551. Which of the following is a likely cause（）

During system boot， the boot process hangs at LED 0551.
Which of the following is a likely cause（）