Lenovo B590 Notebook - Manual (Page 56)

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
Remove the card in the direction shown by the arrow 3 .
3
When installing: Plug the black cable (MAIN) into the jack labeled M, and the white cable (AUX) into the jack
labeled A on the card.
50 Hardware Maintenance Manual