Lenovo B490 Notebook - Manual (Page 55)

Remove the hard disk drive bracket as shown by the arrow 2 .
2
1060 PCI Express Mini Card for wireless LAN
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
• “1020 Bottom slot cover” on page 44
Removal steps of PCI Express Mini Card for wireless LAN
In steps 1 , disconnect the cables from the card using the removal tool antenna RF connector (P/N: 08K7159)
or pick up the cables with your fingers and then gently disconnecting the cable from the card in the direction
of the arrows. Then remove the screw
2 .
2
1
1
Step Screw (quantity) Color Torque
2 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.85 kgf-cm
Chapter 7 . Removing and replacing a FRU 49