Lenovo B575e Hardware Maintenance Manual page 58

Removal steps of keyboard
1
Remove the screws .
When installing: Make sure the screws have been fastened to secure the keyboard.
Step Screw (quantity)
1
M2.5 × 7 mm, flat-head, nylon-coated (3)
Push hard in the direction shown by the arrows
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Hardware Maintenance Manual
2
to unlatch the rear edge of the keyboard.
Torque
Color
Black 3.0 kgfcm