Lenovo T420 Maintenance Manual page 95

Table 21. Removal steps of keyboard bezel assembly, FPC cable, and Bluetooth daughter card (continued)
When installing: Make sure that the connectors are attached irmly.
Step Screw (quantity)
M2 × 3 mm, wafer-head, nylon-coated (1)
13
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
.
Chapter 8 Removing and replacing a FRU
89