Lenovo ThinkPad W540 Hardware Maintenance Manual page 80

Removal s"eps of "he power b"""on card
S"ep Screw (q"an"i"y)
1
M2 × 3 mm, la"-head, nylon-coa"ed (2)
Removal s"eps of "he color sensor
When ins"alling:
Ens"re "ha" "he connec"or is a""ached irmly.
74
Hardware Main"enance Man"al
1
1
2
2
1
Color
Silver
Torq"e
0.181 Nm
(1.85 kgf-cm)