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Lenovo IdeaPad U300/U300s/U400
1050 USB Board (U300s)
For access, remove these FRUs in order:
• “1010 Base cover (U300s)” on page 54
• “1020 Battery pack (U300s)” on page 56
• “1030 Speakers (U300s)” on page 57
Figure 5. Removal steps of USB board
Unplug three connectors in the direction by arrows
1
2
, remove two screws
3
,
then remove the USB board
4
.
3
3
2
4
2
1
Step Screw (quantity) Color Torque
3
M2 × 3 mm, at-head, nylok-coated (2) Black 1.5 ± 0.2 kgfcm