Lenovo IdeaPad U300s Hardware Maintenance Manual page 85

Figure 5. Removal steps of system board
Remove four screws
direction shown by arrows
6
When installing: Make sure that the connectors are attached firmly.
Step Screw (quantity)
M2 × 6 mm, flat-head, nylok-coated (4)
1
M2 × 2.5 mm, flat-head, nylok-coated (3)
2
Remove the system board in the direction shown by arrow
Lenovo IdeaPad U300/U300s/U400
and three screws
1 2
.
3 4 5 6
1
2
4
3
3
4
. Detach seven connectors in the
1
1
1
2
2
5
Color Torque
Black 1.6 ± 0.24 kgfcm
Black 1.6 ± 0.24 kgfcm
.
7
7
6
4
81