Why does Lenovo machine crash in the logon interface?

Source: Internet
Author: User

Two Lenovo machines running normally in the IDC suddenly fail to enter the system.

Shows the Lenovo protection system interface:

After analysis, we found that the student unplugged the network cable, 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/23195R357-0.gif "alt =" j_0062.gif "/> probably because the machine network PXEpreboot execute environment, pre-start execution environment) starts, lenovo's hard disk Protection System Version 7.6 must be recognized for network cable access before it can start properly. 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/23195W552-1.gif "alt =" j_0064.gif "/>

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