Lenovo ThinkPad Edge E420 Hardware Maintenance Manual page 81

Table 23. Removal steps of system board (continued)
Step Screw (quantity)
1
M2 × 6 mm, wafer-head, nylon-coated (1)
Step Screw (quantity)
2
M2 × 6 mm, wafer-head, nylon-coated (2)
When installing: Make sure that the connector is attached firmly to the system board.
When installing:
• Make sure that the cables are attached to the cable guides firmly.
Torque
Color
Black 0.181 Nm
(1.85 kgfcm)
Torque
Color
Black 0.181 Nm
(1.85 kgfcm)
.
Chapter 8 Removing and replacing a FRU
75