Lenovo B490 Notebook - Manual (Page 61)

Removal steps of keyboard bezel
Remove the screws 1 and 2 that secure the keyboard bezel.
2
2
2
1
1
1
1
1
1
1
1
1
1
1
Step Screw (quantity) Color Torque
1 M2.5 × 8 mm, flat-head, nylon-coated (11) Black 4.0 kgf-cm
2 M2 × 3 mm, flat-head, nylon-coated (3) Black 1.85 kgf-cm
Remove the screw 3 .
3
Step Screw (quantity) Color Torque
3 M2 × 6 mm, flat-head, nylon-coated (1) Black 1.85 kgf-cm
Chapter 7 . Removing and replacing a FRU 55