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