Lenovo 019923U Hardware Maintenance Manual page 76

Removal steps of the palm rest assembly with cables
Step Screw (quantity)
1
M2 × 8 mm, wafer-head, nylon-coated (5)
1a
M2 × 5 mm, wafer-head, nylon-coated (1)
2
M2 × 3 mm, wafer-head, nylon-coated (1)
70
Hardware Maintenance Manual
3
4
Color
Black
Black
Black
3
Torque
0.181 Nm
(1.85 kgf-cm)
0.181 Nm
(1.85 kgf-cm)
0.181 Nm
(1.85 kgf-cm)