Lenovo E50-70 Laptop Hardware Maintenance Manual - Lenovo E40-xx0, E50-xx - Page 78
Remove eight screws, and two screws, on the bottom. E40, Remove nine screws, and three screws,
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Removal steps of the upper case Remove eight screws 1 and two screws 2 on the bottom. (E40) a b b a a a aa aa Remove nine screws 1 and three screws 2 on the bottom. (E50) b aa b b a a a aa a a Step 1 2 Screw (quantity) M2.5 × 6mm, flat-headed, nylon-coated (8) (E40) M2.5 × 7mm, flat-headed, nylon-coated (9) (E50) M2.0 × 2mm, flat-headed, nylon-coated Color Black Black Black Torque 3.0 +/- 0.3kgf-cm 3.0 +/- 0.3kgf-cm 1.85 +/- 0.15kgf-cm 72 Hardware Maintenance Manual
Removalstepsoftheuppercase
Remove eight screws
1
and two screws
2
on the bottom. (E40)
Remove nine screws
1
and three screws
2
on the bottom. (E50)
Step
Screw(quantity)
Color
Torque
M2.5×6mm,flat-headed,nylon-coated(8)(E40)
Black
3.0+/-0.3kgf-cm
1
M2.5×7mm,flat-headed,nylon-coated(9)(E50)
Black
3.0+/-0.3kgf-cm
2
M2.0 × 2mm, flat-headed, nylon-coated
Black
1.85+/-0.15kgf-cm
72
Hardware Maintenance Manual