Lenovo B550 Notebook Bedienungsanleitung PDF herunterladen (Seite 66)

Lenovo B550 Hardware Maintenance Manual

1140 Bluetooth daughter card, speakers and base cover

For access, remove these FRUs in order:

• “1010 Battery pack” on page 34

• “1020 Hard disk drive (HDD) slot cover and HDD” on page 35

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

cover” on page 37

• “1040 Optical drive” on page 38

• “1050 DIMM” on page 39

• “1060 Fan assembly and Heat Sink assembly” on page 40

• “1080 PCI Express Mini Card for wireless LAN/WAN” on page 44

• “1090 Keyboard cover and power board” on page 46

• “1100 Keyboard” on page 49

• “1110 LCD unit” on page 51

• “1120 Keyboard bezel” on page 55

• “1130 System board ” on page 59

Figure 14. Removal steps of Bluetooth daughter card, speakers and base

cover

The Bluetooth daughter card is attached to the base cover. Remove the screw

, and then remove the Bluetooth daughter card in the direction shown by

arrows

When installing: Make sure that the connector is attached rmly.

Step Screw (quantity) Color Torque

M2.0 × 3 mm, at-head, nylon-coated (1) Silver 1.0~1.5 kgf·cm

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Lenovo B550 Notebook Bedienungsanleitung Seite 66