Lenovo V480 Hardware Maintenance Manual page 67

Removal steps of system board assembly and USB board
1
Remove the screws , and then detach the connectors as shown in the following illustration.
Step Screw (quantity)
1
M2 × 6 mm, flat-head, nylon-coated (2)
When installing: Make sure that all the connectors are attached firmly.
Remove the system board in the direction shown by the arrow
Color
Black
10 . Then detach the USB board cable
.
Chapter 7 Removing and replacing a FRU
Torque
3.0 kgfcm
11 .
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