Lenovo 6019 Manuale Hardware
9.
Remove
the
heat
sink
1
from
the
system
board
by
pivoting
the
lever
2
securing
the
heat
sink
until
it
is
fully
in
the
up
position.
Lift
the
heat
sink
off
of
the
system
board.
Note:
Place
the
heat
sink
on
its
side
on
a
clean,
flat
surface
so
the
thermal
interface
on
the
bottom
of
the
heat
sink
does
not
touch
the
surface
and
become
contaminated.
10.
Use
the
handle
at
the
rear
of
the
system
board
to
pull
the
system
board
and
tray
out
the
rear
of
the
chassis.
11.
Place
the
failing
system
board
next
to
the
new
system
board
on
a
clean,
flat
surface.
126
Hardware
Maintenance
Manual