Lenovo B550 Notebook - Manual (Page 65)

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Lenovo B550
Figure 13. Removal steps of system board (continued)
Remove the system board in the direction shown by arrow
4 .
a a b
4
When installing: When attaching the system board to the base cover, adjust
the placement of the wireless radio 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.