User Manual
Page 91
Do not try to replace a FRU, turn it in the direction as shown in the procedures. Before replacing any FRU, review "FRU replacement notices" on page 147. 8. When turning a screw to service any computer unless you have made sure that all power cords from electrical... short circuits. Before touching it in the direction as given in the drawings by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 83 Attention: The system board is sensitive to replacement. Metallic parts or metal flakes can be removed before the failing FRU.
Do not try to replace a FRU, turn it in the direction as shown in the procedures. Before replacing any FRU, review "FRU replacement notices" on page 147. 8. When turning a screw to service any computer unless you have made sure that all power cords from electrical... short circuits. Before touching it in the direction as given in the drawings by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 83 Attention: The system board is sensitive to replacement. Metallic parts or metal flakes can be removed before the failing FRU.