Lenovo 7523 Manuel D’Utilisation
Replacing
the
heat
sink
and
fan
assembly
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
ThinkCentre
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
ThinkCentre
Safety
and
Warranty
Guide,
go
to:
http://www.lenovo.com/support
This
section
provides
instructions
on
how
to
replace
the
heat
sink
and
fan
assembly.
CAUTION:
The
heat
sink
and
fan
assembly
might
be
very
hot.
Turn
off
the
computer
and
wait
three
to
five
minutes
to
let
the
computer
cool
before
removing
the
computer
cover.
To
replace
the
heat
sink
and
fan
assembly:
1.
Remove
the
computer
cover.
See
2.
Lay
the
computer
on
its
side
for
easier
access
to
the
system
board.
3.
Locate
the
heat
sink
and
fan
assembly.
See
4.
Disconnect
the
heat
sink
and
fan
assembly
cable
from
the
microprocessor
fan
connector
on
the
system
board.
See
98
Hardware
Maintenance
Manual