beautypg.com

Lenovo b4400 hardware maintenance manual – Lenovo B4400 Notebook User Manual

Page 54

background image

Lenovo B4400 Hardware Maintenance Manual

50

Figure 10. Removal steps of system board (continued)

Detach USB connector in the direction shown by arrow

.

Remove the system board in the direction shown by arrow

.

When installing:

When attaching the system board to the base cover, adjust the

placement of USB ports, and make sure that both of the USB jacks are attached
to the holes on the base cover as shown in

. Improper placement of the jacks

might cause a damage.

f

6

g

7

a

a