Lenovo M4400s notebook - Manual (Page 66)

For models with a discrete thermal module assembly
a b
c
Removal steps of the system board assembly
Remove the screws 1 .
1
1
1
1
1
1
Step Screw (quantity) Color Torque
1 M2.5 × 5 mm, flat-head, nylon-coated (6) Black 0.392 Nm
(4.0 kgf-cm)
When installing: Ensure that all the connectors are attached firmly.
60 Hardware Maintenance Manual