Lenovo ThinkPad T550 (English) Hardware Maintenance Manual - ThinkPad T550, W5 - Page 89
Power button board, For access, remove these FRUs in order, bracket
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Step 7 Screw (quantity) M2.5 × L3.5 mm, flat-head, nylon-coated (4) Color Silver Torque 0.181 Nm (1.85 kgf-cm) 90° 8 9 9 1210 Power button board For access, remove these FRUs in order: • "1010 Removable battery" on page 57 • "1020 Base cover assembly" on page 57 • "1040 Storage-drive stabilizer bar, internal storage drive, hard disk drive cable, and hard disk drive bracket" on page 64 • "1060 Wireless LAN card" on page 66 • "1070 Wireless WAN card" on page 67 • "1120 Built-in battery or dummy battery " on page 71 • "1130 Thermal fan" on page 73 • "1180 System board assembly" on page 79 • "1190 LCD unit" on page 81 Chapter 7. Removing or replacing a FRU 83
Step
Screw (quantity)
Color
Torque
7
M2.5 × L3.5 mm, flat-head, nylon-coated (4)
Silver
0.181 Nm
(1.85 kgf-cm)
90°
8
9
9
1210 Power button board
For access, remove these FRUs in order:
• “1010 Removable battery” on page 57
• “1020 Base cover assembly” on page 57
• “1040 Storage-drive stabilizer bar, internal storage drive, hard disk drive cable, and hard disk drive
bracket” on page 64
• “1060 Wireless LAN card” on page 66
• “1070 Wireless WAN card” on page 67
• “1120 Built-in battery or dummy battery ” on page 71
• “1130 Thermal fan” on page 73
• “1180 System board assembly” on page 79
• “1190 LCD unit” on page 81
Chapter 7
.
Removing or replacing a FRU
83