Lenovo ThinkPad R500 Hardware Maintenance Manual - Page 92
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Table 21. Removal steps of fan assembly (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. In some modes, you need to peel the thin film off from the rubber b . - For integrated graphics chip models: a a - For discrete graphics chip models: a 84 ThinkPad R500 Hardware Maintenance Manual a b
Table
21.
Removal
steps
of
fan
assembly
(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
±a²
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.
In
some
modes,
you
need
to
peel
the
thin
film
off
from
the
rubber
±b²
.
-
For
integrated
graphics
chip
models:
a
a
-
For
discrete
graphics
chip
models:
a
b
a
84
ThinkPad
R500
Hardware
Maintenance
Manual