Lenovo IdeaPad U510 Hardware Maintenance Manual page 61

Figure 13. Base cover, USB board, bluetooth card, power board and speakers (continued)
Remove the bluetooth card in the direction shown by arrow
Remove the screw a
b .
Step Screw (quantity)
a M2.5 × 4 mm, flat-head, nylok-coated (1)
to lift the power board in the direction shown by arrow
Lenovo IdeaPad U510
a .
a
a
b
Color Torque
Black 2.5 kgfcm
57