Lenovo IdeaPad U300s Hardware Maintenance Manual page 77

Figure 11. Removal steps of system board
Remove four screws
1
the direction shown by arrows
When installing: Make sure that the power connector is attached firmly.
Step Screw (quantity)
M2 × 3 mm, flat-head, nylok-coated (4)
1
Remove the IO board in the direction shown by arrow
Lenovo IdeaPad U300/U300s/U400
, then remove the fan bracket from the system board in
.
2
2
1
1
1
2
Color Torque
Black 1.5 ± 0.2 kgfcm
.
3
3
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