Lenovo ThinkPad T410s 2901 Hardware Maintenance Manual page 133

Table 25. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot
frame (continued)
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 .
For ThinkPad T400s:
For ThinkPad T410s and T410si:
v Make sure that the fan connector is attached firmly.
a
b
a
Removing and replacing a FRU
125