Lenovo B550 Notebook - Manual (Page 48)

44
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
1
1
2
Disconnect the two wireless LAN cables (black, white) in the direction shown
by arrows 1 , and then remove the screw 2 .
In step
1
, 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 1 .
wireless LAN card in some models may have 3 cables in step 1 .
The Mini PCI ExpressCard slot is also designed ready for wireless
WAN card.
Step Screw (quantity) Color Torque
2
M2.0 × 3 mm, flat-head, nylon-coated (1) Silver 1.5~2.0 kgf·cm