Step Screw (quantity) Color Torque 7 M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Step Screw (quantity) Color Torque 9 M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the hard disk drive or solid-state drive is firmly attached and the tape does not cover the speaker. 72 T480 Hardware Maintenance Manual