Replacing
the
system
fan
assembly
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
Warranty
Guide
that
was
included
with
your
computer
for
the
computer.
To
obtain
copies
of
the
Safety
and
Warranty
Guide
,
go
to
http://www.lenovo.com/support.
This
section
provides
instructions
on
how
to
replace
the
system
fan
assembly.
1.
Remove
the
computer
cover.
See
“Removing
the
cover”
a
pagina
9.
2.
Remove
the
bezel
and
drive
bay
assembly.
See
“Accessing
system
board
components
and
drives”
a
pagina
10.
3.
Disconnect
the
system
fan
cable
from
the
system
board.
See
“Identifying
parts
on
the
system
board”
a
pagina
7.
4.
Remove
the
hard
disk
drive.
See
“Replacing
the
hard
disk
drive”
a
pagina
20.
5.
Remove
the
two
screws
securing
the
system
fan
assembly.
6.
Remove
the
system
fan
assembly
by
pulling
the
bracket
outward
and
lifting
it
up
from
the
system
board
to
remove
completely.
7.
Install
the
new
system
fan
assembly
and
install
the
two
screws
that
secure
the
fan
assembly.
8.
Connect
the
system
fan
cable
to
the
system
fan
connector
on
the
system
board.
9.
Replace
the
hard
disk
drive.
10.
Align
the
drive
bay
assembly
with
the
two
slots
and
rails
on
the
sides
of
the
chassis,
reconnect
the
drive
cables
on
the
system
board,
and
then
slide
the
drive
bay
assembly
towards
the
rear
of
the
chassis
until
it
snaps
into
position.
11.
Reinstall
the
front
bezel.
12.
Go
to
Capitolo
4,
“Completing
the
parts
replacement”,
a
pagina
31.
Figura
32.
Removing
the
system
fan
assembly
26
Hardware
Installation
and
Replacement
Guide
Summary of Contents for THINK CENTRE 9126
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