Lenovo B460 Notebook - Manual (Page 56)

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IdeaPad B460 Hardware Maintenance Manual
Figure 11. Removal steps of system board, ExpressCard slot assembly
(continued)
Unplug the power connector and USB connector in the direction shown by
arrow
3
, and then remove the system board in the direction shown by arrow
4
.
4
a a
3
When installing: When attaching the system board to the base cover, adjust
the placement of the wireless radio switch and the graphics switch as shown
in
b
, and make sure that both of the audio jack and the microphone jack are
attached to the holes on the base cover as shown in
a
. Improper placement of
the switch or those jacks might cause a damage.