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Table 26. Removal steps of system board, PC Card/ExpressCard slots assembly (continued)
5
a
b b
c
When installing: When attaching the system board to the base cover, adjust the
placement of the wireless radio switch as shown in a, 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 b. Improper placement of the switch or those jacks might
cause a damage.
6
7
7
Step Screw (quantity) Color Torque
7 M2 × 3 mm, wafer-head, nylon-coated (2) Black 2.0 Nm
(2.5
kgfcm)
82 Lenovo 3000 N500 Hardware Maintenance Manual