Lenovo IdeaPad U310 Hardware Maintenance Manual page 63

Figure 10. Base cover, bluetooth card, USB board, power assembly and power board
(continued)
Remove the screw to lift the power board in the direction shown by arrow
Step Screw (quantity)
a M2.5 × 3.5 mm, flat-head, nylok-coated (1)
(U310)
M2.5 × 4.0 mm, flat-head, nylok-coated (1)
(U410)
Lenovo IdeaPad U310/U410
Color
Silver
Silver
e
.
e
Torque
2.5 kgfcm
2.5 kgfcm
59