Lenovo B550 Notebook - Manual (Page 66)

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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
1 , and then remove the Bluetooth daughter card in the direction shown by
arrows 2 .
2
2
1
When installing: Make sure that the connector is attached firmly.
Step Screw (quantity) Color Torque
1
M2.0 × 3 mm, flat-head, nylon-coated (1) Silver 1.0~1.5 kgf·cm