Lenovo B570E Laptop User Manual


 
1070 PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in order:
“1010 Battery pack” on page 46
“1030 Hard disk drive (HDD)/memory module/mini PCI Express Card slot compartment cover” on page 47
Removal steps of PCI Express Mini Card for wireless LAN/WAN
1
2
Disconnect the two wireless LAN cables (black, white) 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 the
connectors with your ngers and gently unplug them in the direction of the arrows.
Note: Wireless LAN card has 2 cables in step 1 .
Wireless LAN card in some models may have 3 cables in step 1 .
Step Screw (quantity) Color
Torque
2
M2 × 3 mm, at-head, nylon-coated (1)
Black
1.5 kgfcm
Chapter 7. Removing and replacing a FRU 51