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Lenovo B4400 Hardware Maintenance Manual

1070 Mini PCI Express Card for wireless LAN/WAN

For access, remove these FRUs in order:

• “1010 Battery pack” on page 34

• “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot

compartment cover” on page 36

Figure 7. Removal steps of Mini PCI Express 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

M2 × 3 mm, flat-head, nylok-coated (1) Black 1.85 kgfcm

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 87 88

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Lenovo B4400 Spezifikationen Seite 46