Lenovo B550 Notebook Bedienungsanleitung PDF herunterladen (Seite 48)

Lenovo B550 Hardware Maintenance Manual

1080 PCI Express Mini Card for wireless LAN/WAN

For access, remove these FRUs in order:

• “1010 Battery pack” on page 34

• “1030 Memory/Wireless module/CPU (central processing unit) compartment

cover” on page 37

Figure 8. Removal steps of PCI Express Mini Card for wireless LAN/WAN

Disconnect the two wireless LAN cables (black, white) in the direction shown

by arrows

, 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 ngers 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

The Mini PCI ExpressCard slot is also designed ready for wireless

WAN card.

Step Screw (quantity) Color Torque

M2.0 × 3 mm, at-head, nylon-coated (1) Silver 1.5~2.0 kgf·cm

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 90 91

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Lenovo B550 Notebook Bedienungsanleitung Seite 48