After the system crashed, you have to reinitialize all the devices.

reinitialize 由前缀 re-（表示"重新"）和动词 initialize（初始化）组成。initialize 来自 initial（最初的）加上动词后缀 -ize（使...化）。reinitialize 字面意思是"使再次回到初始状态"，即"重新初始化"。