Lenovo B40-30 Notebook - Manual (Page 51)

Lenovo B40-30/B40-45/B40-70
47
1100 USB board
For access, remove these FRUs:
• “1010 Battery pack” on page 33
• “1020 Optical drive” on page 34
• “1030 Bottom slot cover” on page 36
• “1070 Keyboard” on page 41
• “1080 Keyboard bezel” on page 43
Figure 10. Removal steps of USB board
Disconnect the connector in the direction shown by arrow . Remove the screw
. Then remove the USB board in the direction shown by arrow .
When installing: Make sure that the USB connector is attached firmly.
Step Screw (quantity) Color Torque
M2.5 x 4 mm, flat‐head, nylok‐coated (1) Black 2.0~2.5kgf.cm
a
b c
2
3
1
b