Hardware Maintenance Manual
Page 91
... notes that pertain to observe the following general rules: 1. When turning a screw to be damaged by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 To put the new FRU in which they are loose inside the computer. DANGER Before removing any FRU, turn off the computer...: The system board is sensitive to service any FRUs that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 79. 3.
... notes that pertain to observe the following general rules: 1. When turning a screw to be damaged by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 To put the new FRU in which they are loose inside the computer. DANGER Before removing any FRU, turn off the computer...: The system board is sensitive to service any FRUs that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 79. 3.