Lenovo B590 Hardware Maintenance Manual page 54

Removal steps of hard disk drive assembly
1
Remove the screw , then pull the tab in the direction shown by the arrow
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (1)
Remove the hard disk drive from the slot
When installing: Ensure that the hard disk drive connector is attached firmly.
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Hardware Maintenance Manual
3 .
2
.
Color Torque
Black
1.85 kgf-cm