Lenovo B550 Hardware Maintenance Manual page 67

Lenovo B550
Figure 14. Removal steps of Bluetooth daughter card, speakers and base
cover (continued)
Remove four screws , release the speaker cables from the cable guides, and
3
then remove the speakers .
4
3
3
3
3
4
4
Step Screw (quantity) Color Torque
M2.5 × 5.7 mm, flat-head, nylon-coated (4) Black 1.5~2.0 kgf·cm
3
63