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Table 26. Removal steps of system board, DC-in connector, fan, and ExpressCard slot
assembly for ThinkPad X200 (continued)
5
6
4
4
4
Step Screw (quantity) Color Torque
5 M2 × 3.5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm
(1.85
kgfcm)
When installing:
v Before you attach the fan assembly to the computer, apply thermal grease, at
an amount of 0.2 grams, on the part marked a as in the following figure.
Either too much or too less application of grease can cause a thermal problem
due to imperfect contact with a component. You need to peel the thin film off
from the rubber b.
a
b
v Make sure that the fan connector is attached firmly.
104 ThinkPad X200 and X200s Hardware Maintenance Manual