Lenovo B71-80 Hardware Maintenance Manual
38
1040 PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in order:
• “1010 Hard disk drive (HDD)/Memory/Mini PCI Express Card slot
• “1020 Hard disk drive” on page 35
• “1030 DIMM” on page 37
Figure 4. Removal steps of PCI Express Mini Card for wireless LAN/WAN
Disconnect the two wireless LAN cables (black, white)
, and then remove the
screw .
In step
, unplug the jacks by using the removal tool antenna RF connector
(P/N: 08K7159), or pick up the connectors with your fingers and gently unplug
them in the direction shown by arrows.
Notes:
wireless LAN card has 2 cables in step
.
wireless LAN card in some models may have 3 cables in step
.
Step
Screw (quantity)
Color
Torque
PN
M2 × 3.0 mm, Phillips-head,
nylok-coated (1)
Black
1.85±0.15 kgfcm 90001118
Important:
• The preinstalled WLAN module may only be replaced with a Lenovo
approved module in order to comply with FCC and IC regulations. Refer
to “Overall” on page 69 for Lenovo part numbers for the approved
modules.
a
b
a
a
b
a
a
a
b