Lenovo V4400u Notebook - Manual (Page 67)

Removal steps of the system board assembly
Detach the connectors.
1
2
11
9
10
8
7
6
5
3
4
When installing: Ensure that all the connectors are firmly attached.
Remove the screws.
12
12
12
12
13
13
Step Screw (quantity) Color Torque
12 M2 × 4 mm, flat-head, nylon-coated (4) Black 0.181 Nm
(1.85 kgf-cm)
13 M2 × 4 mm, flat-head, nylon-coated (2) Silver 0.181 Nm
(1.85 kgf-cm)
Chapter 8 . Removing or replacing a FRU 61