Lenovo 3000 N500 User Manual
Page 72
Table
17.
Removal
steps
of
heat
sink
assembly
(continued)
Attention:
Do
not
handle
the
heat
sink
assembly
roughly.
Improper
handling
of
the
heat
sink
assembly
can
cause
distortion
or
deformation
and
imperfect
contact
with
components.
6
When
installing:
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
also
need
to
peel
the
thin
film
off
from
the
rubber
b .
In
models
with
the
discrete
graphics
chip,
there
is
an
additional
thermal
rubber
c
whose
film
to
be
peeled
off.
a
b
c
64
Lenovo
3000
N500
Hardware
Maintenance
Manual