Lenovo ThinkPad Edge E431 Hardware Maintenance Manual - Page 80
Backup battery
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Removal steps of the wireless LAN card In step 1 , unplug the connectors by using the antenna RF connector removal tool or pick the connectors with your fingers and gently unplug them as shown. 2 1 1 Step 2 Screw (quantity) M2 × 3.5 mm, wafer-head, nylon-coated (1) 3 Color Black Torque 0.181 Nm (1.85 kgf-cm) When installing: Plug the gray cable into the connector marked MAIN or M, and the black cable into the connector marked AUX or A on the card. 1100 Backup battery For access, remove these FRUs in order: • "1020 Battery pack" on page 65 74 Hardware Maintenance Manual
Removal steps of the wireless LAN card
In step
1
, unplug the connectors by using the antenna RF connector removal tool or pick the connectors
with your fingers and gently unplug them as shown.
2
1
1
Step
Screw (quantity)
Color
Torque
2
M2 × 3.5 mm, wafer-head, nylon-coated (1)
Black
0.181 Nm
(1.85 kgf-cm)
3
When installing:
Plug the gray cable into the connector marked
MAIN
or
M
, and the black cable into the
connector marked
AUX
or
A
on the card.
1100 Backup battery
For access, remove these FRUs in order:
•
“1020 Battery pack” on page 65
74
Hardware Maintenance Manual