1170 Audio, Hdmi, And Usb Sub Card - Lenovo ThinkPad S431 Hardware Maintenance Manual

5. Remove the screw
Step Screw (quantity)
7
M2 × 3 mm, wafer-head, nylon-coated (1)

1170 Audio, HDMI, and USB sub card

For access, remove these FRUs in order:
• "1020 Base cover assembly" on page 61
• "1030 Battery pack" on page 62
• "1040 Hard disk drive or solid-state drive assembly" on page 63
• "1050 Memory module" on page 65
• "1060 PCI Express Mini Card for wireless LAN" on page 66
• "1080 Thermal fan assembly" on page 68
• "1130 System board assembly" on page 75
82
Hardware Maintenance Manual
7 and then remove the thermal sensor 8 .
Color
Black
Torque
0.196 Nm
(2.00 kgf-cm)