Lenovo Ideapad E490 - 1090 Wireless LAN Card

Step Screw (quantity) Color
Torque
3
M2 × 4.5–2.2 mm, big-head, nylon-coated (4)
Black 0.181 Nm
(1.85 kgf-cm)
When installing:
Ensure that the connector is attached firmly.
Ensure that the cables are routed properly.
1090 Wireless LAN card
For access, remove this FRU:
• “1020 Base cover assembly” on page 65
Removal steps of the wireless LAN card
Step Screw (quantity) Color Torque
2
M2 × 2.5 mm, flat-head, nylon-coated (1) silver 0.181 Nm
(1.85 kgf-cm)
74 E490 and R490 Hardware Maintenance Manual