Lenovo ThinkPad L512 Hardware Maintenance Manual - Page 74

For ThinkPad L412, Notes, When installing, Number of the screws in step

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For ThinkPad L412: 2b 2f 2e 2d 2a 2c Notes: • Number of the screws in step 2 differs by models. • Step 3 is only for the models with 15.6-inch widescreen. For models with 14.0-inch widescreen, skip step 3 . Step 3 Screw (quantity) M2 × 4 mm, flat-head, nylon-coated (1) Color Silver Torque 0.181 Nm (1.85 kgfcm) 4 When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked a as in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For the new CPU thermal device/fan, you need to peel the thin film off from the rubbers marked b . 68 Hardware Maintenance Manual

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For ThinkPad L412:
2a
2d
2c
2b
2e
2f
Notes:
•
Number of the screws in step
2
differs by models.
•
Step
3
is only for the models with 15.6-inch widescreen. For models with 14.0-inch widescreen, skip
step
3
.
Step
Screw (quantity)
Color
Torque
3
M2 × 4 mm, flat-head, nylon-coated (1)
Silver
0.181 Nm
(1.85 kgfcm)
4
When installing:
Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on
the parts marked
a
as in the following figures. Either too much or too less application of grease can cause a
thermal problem due to imperfect contact with a component. For the new CPU thermal device/fan, you need
to peel the thin film off from the rubbers marked
b
.
68
Hardware Maintenance Manual