Lenovo B570E Laptop User Manual


 
Removal steps of base cover, speakers and bluetooth daughter card
Remove the screws 1 , and then remove the speakers in the direction shown by the arrows 2 .
2
2
1
1
1
1
Step Screw (quantity) Color
Torque
1
M2 × 3.5 mm, at-head, nylon-coated (4)
Black
2.5 kgfcm
Remove the bluetooth daughter card in the direction shown by the arrow 3 .
3
64 Hardware Maintenance Manual