Lenovo B430 Notebook - Manual (Page 76)

Removal steps of keyboard
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1
Note: Your model might look slightly different from the illustration above.
When installing: Make sure that the screws are fastened and the keyboard is secured.
Step Screw (quantity) Color Torque
1 M2 × 8 mm, wafer-head, nylon-coated (2) Black 0.181 Nm
(1.85 kgf-cm)
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2
70 Hardware Maintenance Manual