Lenovo B40-30 Notebook - Manual (Page 53)

Lenovo B40-30/B40-45/B40-70
49
Figure 11. Removal steps of system board (continued)
Disconnect the USB board connector in the direction shown by arrow . Then
disconnect the EDP connector in the direction shown by arrow .
Remove the screw . Pull the DC‐IN connect from its cavity in the direction by
arrow . Then remove the system board in the direction by arrow .
When installing:
• Make sure USB, HDMI, and the VGA of the system board attached into its
holes on the base properly. Improper placement of the jacks may cause
damage.
• Make sure that the connectors are attached firmly to the system board.
Step Screw (quantity) Color Torque
M2.5 x 4 mm, flat‐head, nylok‐coated (1) Black 2.0~2.5kgf.cm
b
c
2
3
d
e f
4
5
6
7 d d