Lenovo 3254ACU, Hardware Maintenance Manual

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Removal steps of top case assembly
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Note: Your model might look slightly different from the illustration above.
Step Screw (quantity) Color
Torque
1
M2 × 8 mm, wafer-head, nylon-coated (10) Black 0.181 Nm
(1.85 kgf-cm)
2
M2 × 3 mm, wafer-head, nylon-coated (4) Black 0.181 Nm
(1.85 kgf-cm)
3
Step Screw (quantity) Color Torque
3
M2 × 5 mm, wafer-head, nylon-coated (1) Silver
0.181 Nm
(1.85 kgf-cm)
78
Hardware Maintenance Manual