Lenovo M490s notebook - Manual (Page 59)

Removal steps of the fingerprint board bracket and fingerprint board
Remove the screw 1 , and then remove the fingerprint board bracket 2 .
2
1
Step Screw (quantity) Color Torque
1 M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm
(1.85 kgf-cm)
Detach the fingerprint connector.
4
3
When installing: Ensure that the connector is attached firmly to the system board.
Chapter 8 . Removing or replacing a FRU 53