Lenovo 2558 用户手册

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页码 57
47
User Guide
4.  Reconnect the external cables and power cords to the computer. Refer to 
“Locating connectors on the front of the computer” and “Locating connectors 
on the rear of the computer”.
  Note: In most areas of the world, Lenovo requires the return of the 
defective CRU. Information about this will come with the CRU or will come 
a few days after the CRU arrives.