Lenovo E50-80, Hardware Maintenance Manual, Page: 76 / 92

• “1030 Optical disk drive” on page 54
• “1040 Base cover assembly” on page 56
• “1050 Hard disk drive or solid-state hybrid drive” on page 58
• “1060 Wireless-LAN /Bluetooth card” on page 59
• “1080 Upper case” on page 61
• “1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board,
LED board and ODD switch board” on page 63
• “1100 System board” on page 66
Removal steps of the battery board
Loosen two screws 1 and then remove the battery board in the direction shown by arrow 2 (E50).
a
a
b
Step Screw (quantity) Color
Torque
1
M2.0 × 3mm, flat-headed, nylon-coated (2) Black 1.85 +/- 0.15kgf-cm
Removal steps of the thermal fan assembly
Loosen six screws
3
and one screw
4
.
d
c
c
c
c
c
c
Step Screw (quantity) Color Torque
3
M2.0 × 3mm, flat-headed, nylon-coated (6) Black 1.85 +/- 0.15kgf-cm
M2.0 × 5mm, flat-headed, nylon-coated (1) (E40) Silver 1.85 +/- 0.15kgf-cm
4
M2.0 × 6mm, flat-headed, nylon-coated (1) (E50)
Black
1.85 +/- 0.15kgf-cm
Remove the heat sink assembly in the direction shown by arrow 5 .
70
Hardware Maintenance Manual