Lenovo IdeaPad U310 - Manual (Page 68)

Lenovo IdeaPad U310/U410 U310/U410 Touch Hardware
Maintenance Manual
64
Figure 8. Removal steps of system board (continued)
Remove four screws .
U310/U310 Touch:
U410/U410 Touch:
Step Screw (quantity) Color Torque
M2.5 × 3.5 mm, flat-head, nylok-coated (4)
(U310/U310 Touch)
M2.5 × 4 mm, flat-head, nylok-coated (4)
(U410/U410 Touch) Silver
Silver
2.5 kgfcm
2.5 kgfcm
a
a
a
a
a
a
a
a
a
a