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IdeaPad Y450 Hardware Maintenance Manual
Figure 13. Removal steps of system board, PC Card/ExpressCard slots
assembly (continued)
Unplug two connectors (power connector and USB connector) in the direction
shown by arrows
2
, remove the screw
3
,
2
2
3
When installing:
Make sure that the connectors are attached firmly.
Step
Screw (quantity)
Color
Torque
3
M2.5 × 3.0-I (BZN) (NYLON PATCH) IRON
Black
2.0 N·m